diff options
author | Max Krummenacher <max.krummenacher@toradex.com> | 2020-02-24 13:05:16 +0100 |
---|---|---|
committer | Max Krummenacher <max.krummenacher@toradex.com> | 2020-02-24 13:05:16 +0100 |
commit | 8be6754822fc0025f963e8216cf5cfe5cf01965d (patch) | |
tree | 76fce8f223ed0e9986d2f7ee8477182606f00862 /include | |
parent | 93bf1d7cbe98985ba4540b6889011ebbb742da5b (diff) | |
parent | 76e5c6fd6d163f1aa63969cc982e79be1fee87a7 (diff) |
Merge tag 'v4.4.214' into toradex_vf_4.4-next
This is the 4.4.214 stable release
Diffstat (limited to 'include')
133 files changed, 1353 insertions, 332 deletions
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index 630dd2372238..af2c3d4a6e6f 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -47,6 +47,7 @@ struct bug_entry { #ifndef HAVE_ARCH_BUG #define BUG() do { \ printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \ + barrier_before_unreachable(); \ panic("BUG!"); \ } while (0) #endif @@ -142,7 +143,7 @@ extern void warn_slowpath_null(const char *file, const int line); #endif #ifndef HAVE_ARCH_BUG_ON -#define BUG_ON(condition) do { if (condition) ; } while (0) +#define BUG_ON(condition) do { if (condition) BUG(); } while (0) #endif #ifndef HAVE_ARCH_WARN_ON diff --git a/include/asm-generic/fixmap.h b/include/asm-generic/fixmap.h index 1cbb8338edf3..827e4d3bbc7a 100644 --- a/include/asm-generic/fixmap.h +++ b/include/asm-generic/fixmap.h @@ -70,12 +70,12 @@ static inline unsigned long virt_to_fix(const unsigned long vaddr) #endif /* Return a pointer with offset calculated */ -#define __set_fixmap_offset(idx, phys, flags) \ -({ \ - unsigned long addr; \ - __set_fixmap(idx, phys, flags); \ - addr = fix_to_virt(idx) + ((phys) & (PAGE_SIZE - 1)); \ - addr; \ +#define __set_fixmap_offset(idx, phys, flags) \ +({ \ + unsigned long ________addr; \ + __set_fixmap(idx, phys, flags); \ + ________addr = fix_to_virt(idx) + ((phys) & (PAGE_SIZE - 1)); \ + ________addr; \ }) #define set_fixmap_offset(idx, phys) \ diff --git a/include/asm-generic/getorder.h b/include/asm-generic/getorder.h index 65e4468ac53d..52fbf236a90e 100644 --- a/include/asm-generic/getorder.h +++ b/include/asm-generic/getorder.h @@ -6,24 +6,6 @@ #include <linux/compiler.h> #include <linux/log2.h> -/* - * Runtime evaluation of get_order() - */ -static inline __attribute_const__ -int __get_order(unsigned long size) -{ - int order; - - size--; - size >>= PAGE_SHIFT; -#if BITS_PER_LONG == 32 - order = fls(size); -#else - order = fls64(size); -#endif - return order; -} - /** * get_order - Determine the allocation order of a memory size * @size: The size for which to get the order @@ -42,19 +24,27 @@ int __get_order(unsigned long size) * to hold an object of the specified size. * * The result is undefined if the size is 0. - * - * This function may be used to initialise variables with compile time - * evaluations of constants. */ -#define get_order(n) \ -( \ - __builtin_constant_p(n) ? ( \ - ((n) == 0UL) ? BITS_PER_LONG - PAGE_SHIFT : \ - (((n) < (1UL << PAGE_SHIFT)) ? 0 : \ - ilog2((n) - 1) - PAGE_SHIFT + 1) \ - ) : \ - __get_order(n) \ -) +static inline __attribute_const__ int get_order(unsigned long size) +{ + if (__builtin_constant_p(size)) { + if (!size) + return BITS_PER_LONG - PAGE_SHIFT; + + if (size < (1UL << PAGE_SHIFT)) + return 0; + + return ilog2((size) - 1) - PAGE_SHIFT + 1; + } + + size--; + size >>= PAGE_SHIFT; +#if BITS_PER_LONG == 32 + return fls(size); +#else + return fls64(size); +#endif +} #endif /* __ASSEMBLY__ */ diff --git a/include/asm-generic/rtc.h b/include/asm-generic/rtc.h index 4e3b6558331e..3e457ae2d571 100644 --- a/include/asm-generic/rtc.h +++ b/include/asm-generic/rtc.h @@ -106,7 +106,7 @@ static inline unsigned int __get_rtc_time(struct rtc_time *time) time->tm_year += real_year - 72; #endif - if (century) + if (century > 20) time->tm_year += (century - 19) * 100; /* diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h index f356f9716474..674472ac067a 100644 --- a/include/drm/drm_dp_mst_helper.h +++ b/include/drm/drm_dp_mst_helper.h @@ -303,7 +303,7 @@ struct drm_dp_resource_status_notify { struct drm_dp_query_payload_ack_reply { u8 port_number; - u8 allocated_pbn; + u16 allocated_pbn; }; struct drm_dp_sideband_msg_req_body { diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 3672893b275e..0bd0a9ad5455 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -75,7 +75,7 @@ static inline bool has_acpi_companion(struct device *dev) static inline void acpi_preset_companion(struct device *dev, struct acpi_device *parent, u64 addr) { - ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL)); + ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false)); } static inline const char *acpi_dev_name(struct acpi_device *adev) @@ -226,7 +226,10 @@ void acpi_set_irq_model(enum acpi_irq_model_id model, #ifdef CONFIG_X86_IO_APIC extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); #else -#define acpi_get_override_irq(gsi, trigger, polarity) (-1) +static inline int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity) +{ + return -1; +} #endif /* * This function undoes the effect of one call to acpi_register_gsi(). diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h new file mode 100644 index 000000000000..78b8e0a61f3f --- /dev/null +++ b/include/linux/arm-smccc.h @@ -0,0 +1,283 @@ +/* + * Copyright (c) 2015, Linaro Limited + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ +#ifndef __LINUX_ARM_SMCCC_H +#define __LINUX_ARM_SMCCC_H + +#include <uapi/linux/const.h> + +/* + * This file provides common defines for ARM SMC Calling Convention as + * specified in + * http://infocenter.arm.com/help/topic/com.arm.doc.den0028a/index.html + */ + +#define ARM_SMCCC_STD_CALL _AC(0,U) +#define ARM_SMCCC_FAST_CALL _AC(1,U) +#define ARM_SMCCC_TYPE_SHIFT 31 + +#define ARM_SMCCC_SMC_32 0 +#define ARM_SMCCC_SMC_64 1 +#define ARM_SMCCC_CALL_CONV_SHIFT 30 + +#define ARM_SMCCC_OWNER_MASK 0x3F +#define ARM_SMCCC_OWNER_SHIFT 24 + +#define ARM_SMCCC_FUNC_MASK 0xFFFF + +#define ARM_SMCCC_IS_FAST_CALL(smc_val) \ + ((smc_val) & (ARM_SMCCC_FAST_CALL << ARM_SMCCC_TYPE_SHIFT)) +#define ARM_SMCCC_IS_64(smc_val) \ + ((smc_val) & (ARM_SMCCC_SMC_64 << ARM_SMCCC_CALL_CONV_SHIFT)) +#define ARM_SMCCC_FUNC_NUM(smc_val) ((smc_val) & ARM_SMCCC_FUNC_MASK) +#define ARM_SMCCC_OWNER_NUM(smc_val) \ + (((smc_val) >> ARM_SMCCC_OWNER_SHIFT) & ARM_SMCCC_OWNER_MASK) + +#define ARM_SMCCC_CALL_VAL(type, calling_convention, owner, func_num) \ + (((type) << ARM_SMCCC_TYPE_SHIFT) | \ + ((calling_convention) << ARM_SMCCC_CALL_CONV_SHIFT) | \ + (((owner) & ARM_SMCCC_OWNER_MASK) << ARM_SMCCC_OWNER_SHIFT) | \ + ((func_num) & ARM_SMCCC_FUNC_MASK)) + +#define ARM_SMCCC_OWNER_ARCH 0 +#define ARM_SMCCC_OWNER_CPU 1 +#define ARM_SMCCC_OWNER_SIP 2 +#define ARM_SMCCC_OWNER_OEM 3 +#define ARM_SMCCC_OWNER_STANDARD 4 +#define ARM_SMCCC_OWNER_TRUSTED_APP 48 +#define ARM_SMCCC_OWNER_TRUSTED_APP_END 49 +#define ARM_SMCCC_OWNER_TRUSTED_OS 50 +#define ARM_SMCCC_OWNER_TRUSTED_OS_END 63 + +#define ARM_SMCCC_VERSION_1_0 0x10000 +#define ARM_SMCCC_VERSION_1_1 0x10001 + +#define ARM_SMCCC_VERSION_FUNC_ID \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_32, \ + 0, 0) + +#define ARM_SMCCC_ARCH_FEATURES_FUNC_ID \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_32, \ + 0, 1) + +#define ARM_SMCCC_ARCH_WORKAROUND_1 \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_32, \ + 0, 0x8000) + +#ifndef __ASSEMBLY__ + +#include <linux/linkage.h> +#include <linux/types.h> + +/** + * struct arm_smccc_res - Result from SMC/HVC call + * @a0-a3 result values from registers 0 to 3 + */ +struct arm_smccc_res { + unsigned long a0; + unsigned long a1; + unsigned long a2; + unsigned long a3; +}; + +/** + * arm_smccc_smc() - make SMC calls + * @a0-a7: arguments passed in registers 0 to 7 + * @res: result values from registers 0 to 3 + * + * This function is used to make SMC calls following SMC Calling Convention. + * The content of the supplied param are copied to registers 0 to 7 prior + * to the SMC instruction. The return values are updated with the content + * from register 0 to 3 on return from the SMC instruction. + */ +asmlinkage void arm_smccc_smc(unsigned long a0, unsigned long a1, + unsigned long a2, unsigned long a3, unsigned long a4, + unsigned long a5, unsigned long a6, unsigned long a7, + struct arm_smccc_res *res); + +/** + * arm_smccc_hvc() - make HVC calls + * @a0-a7: arguments passed in registers 0 to 7 + * @res: result values from registers 0 to 3 + * + * This function is used to make HVC calls following SMC Calling + * Convention. The content of the supplied param are copied to registers 0 + * to 7 prior to the HVC instruction. The return values are updated with + * the content from register 0 to 3 on return from the HVC instruction. + */ +asmlinkage void arm_smccc_hvc(unsigned long a0, unsigned long a1, + unsigned long a2, unsigned long a3, unsigned long a4, + unsigned long a5, unsigned long a6, unsigned long a7, + struct arm_smccc_res *res); + +/* SMCCC v1.1 implementation madness follows */ +#ifdef CONFIG_ARM64 + +#define SMCCC_SMC_INST "smc #0" +#define SMCCC_HVC_INST "hvc #0" + +#elif defined(CONFIG_ARM) +#include <asm/opcodes-sec.h> +#include <asm/opcodes-virt.h> + +#define SMCCC_SMC_INST __SMC(0) +#define SMCCC_HVC_INST __HVC(0) + +#endif + +#define ___count_args(_0, _1, _2, _3, _4, _5, _6, _7, _8, x, ...) x + +#define __count_args(...) \ + ___count_args(__VA_ARGS__, 7, 6, 5, 4, 3, 2, 1, 0) + +#define __constraint_write_0 \ + "+r" (r0), "=&r" (r1), "=&r" (r2), "=&r" (r3) +#define __constraint_write_1 \ + "+r" (r0), "+r" (r1), "=&r" (r2), "=&r" (r3) +#define __constraint_write_2 \ + "+r" (r0), "+r" (r1), "+r" (r2), "=&r" (r3) +#define __constraint_write_3 \ + "+r" (r0), "+r" (r1), "+r" (r2), "+r" (r3) +#define __constraint_write_4 __constraint_write_3 +#define __constraint_write_5 __constraint_write_4 +#define __constraint_write_6 __constraint_write_5 +#define __constraint_write_7 __constraint_write_6 + +#define __constraint_read_0 +#define __constraint_read_1 +#define __constraint_read_2 +#define __constraint_read_3 +#define __constraint_read_4 "r" (r4) +#define __constraint_read_5 __constraint_read_4, "r" (r5) +#define __constraint_read_6 __constraint_read_5, "r" (r6) +#define __constraint_read_7 __constraint_read_6, "r" (r7) + +#define __declare_arg_0(a0, res) \ + struct arm_smccc_res *___res = res; \ + register unsigned long r0 asm("r0") = (u32)a0; \ + register unsigned long r1 asm("r1"); \ + register unsigned long r2 asm("r2"); \ + register unsigned long r3 asm("r3") + +#define __declare_arg_1(a0, a1, res) \ + typeof(a1) __a1 = a1; \ + struct arm_smccc_res *___res = res; \ + register unsigned long r0 asm("r0") = (u32)a0; \ + register unsigned long r1 asm("r1") = __a1; \ + register unsigned long r2 asm("r2"); \ + register unsigned long r3 asm("r3") + +#define __declare_arg_2(a0, a1, a2, res) \ + typeof(a1) __a1 = a1; \ + typeof(a2) __a2 = a2; \ + struct arm_smccc_res *___res = res; \ + register unsigned long r0 asm("r0") = (u32)a0; \ + register unsigned long r1 asm("r1") = __a1; \ + register unsigned long r2 asm("r2") = __a2; \ + register unsigned long r3 asm("r3") + +#define __declare_arg_3(a0, a1, a2, a3, res) \ + typeof(a1) __a1 = a1; \ + typeof(a2) __a2 = a2; \ + typeof(a3) __a3 = a3; \ + struct arm_smccc_res *___res = res; \ + register unsigned long r0 asm("r0") = (u32)a0; \ + register unsigned long r1 asm("r1") = __a1; \ + register unsigned long r2 asm("r2") = __a2; \ + register unsigned long r3 asm("r3") = __a3 + +#define __declare_arg_4(a0, a1, a2, a3, a4, res) \ + typeof(a4) __a4 = a4; \ + __declare_arg_3(a0, a1, a2, a3, res); \ + register unsigned long r4 asm("r4") = __a4 + +#define __declare_arg_5(a0, a1, a2, a3, a4, a5, res) \ + typeof(a5) __a5 = a5; \ + __declare_arg_4(a0, a1, a2, a3, a4, res); \ + register unsigned long r5 asm("r5") = __a5 + +#define __declare_arg_6(a0, a1, a2, a3, a4, a5, a6, res) \ + typeof(a6) __a6 = a6; \ + __declare_arg_5(a0, a1, a2, a3, a4, a5, res); \ + register unsigned long r6 asm("r6") = __a6 + +#define __declare_arg_7(a0, a1, a2, a3, a4, a5, a6, a7, res) \ + typeof(a7) __a7 = a7; \ + __declare_arg_6(a0, a1, a2, a3, a4, a5, a6, res); \ + register unsigned long r7 asm("r7") = __a7 + +#define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__) +#define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__) + +#define ___constraints(count) \ + : __constraint_write_ ## count \ + : __constraint_read_ ## count \ + : "memory" +#define __constraints(count) ___constraints(count) + +/* + * We have an output list that is not necessarily used, and GCC feels + * entitled to optimise the whole sequence away. "volatile" is what + * makes it stick. + */ +#define __arm_smccc_1_1(inst, ...) \ + do { \ + __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \ + asm volatile(inst "\n" \ + __constraints(__count_args(__VA_ARGS__))); \ + if (___res) \ + *___res = (typeof(*___res)){r0, r1, r2, r3}; \ + } while (0) + +/* + * arm_smccc_1_1_smc() - make an SMCCC v1.1 compliant SMC call + * + * This is a variadic macro taking one to eight source arguments, and + * an optional return structure. + * + * @a0-a7: arguments passed in registers 0 to 7 + * @res: result values from registers 0 to 3 + * + * This macro is used to make SMC calls following SMC Calling Convention v1.1. + * The content of the supplied param are copied to registers 0 to 7 prior + * to the SMC instruction. The return values are updated with the content + * from register 0 to 3 on return from the SMC instruction if not NULL. + */ +#define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__) + +/* + * arm_smccc_1_1_hvc() - make an SMCCC v1.1 compliant HVC call + * + * This is a variadic macro taking one to eight source arguments, and + * an optional return structure. + * + * @a0-a7: arguments passed in registers 0 to 7 + * @res: result values from registers 0 to 3 + * + * This macro is used to make HVC calls following SMC Calling Convention v1.1. + * The content of the supplied param are copied to registers 0 to 7 prior + * to the HVC instruction. The return values are updated with the content + * from register 0 to 3 on return from the HVC instruction if not NULL. + */ +#define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__) + +/* Return codes defined in ARM DEN 0070A */ +#define SMCCC_RET_SUCCESS 0 +#define SMCCC_RET_NOT_SUPPORTED -1 +#define SMCCC_RET_NOT_REQUIRED -2 + +#endif /*__ASSEMBLY__*/ +#endif /*__LINUX_ARM_SMCCC_H*/ diff --git a/include/linux/atalk.h b/include/linux/atalk.h index 73fd8b7e9534..4be0e14b38fc 100644 --- a/include/linux/atalk.h +++ b/include/linux/atalk.h @@ -107,7 +107,7 @@ static __inline__ struct elapaarp *aarp_hdr(struct sk_buff *skb) #define AARP_RESOLVE_TIME (10 * HZ) extern struct datalink_proto *ddp_dl, *aarp_dl; -extern void aarp_proto_init(void); +extern int aarp_proto_init(void); /* Inter module exports */ @@ -150,19 +150,29 @@ extern int sysctl_aarp_retransmit_limit; extern int sysctl_aarp_resolve_time; #ifdef CONFIG_SYSCTL -extern void atalk_register_sysctl(void); +extern int atalk_register_sysctl(void); extern void atalk_unregister_sysctl(void); #else -#define atalk_register_sysctl() do { } while(0) -#define atalk_unregister_sysctl() do { } while(0) +static inline int atalk_register_sysctl(void) +{ + return 0; +} +static inline void atalk_unregister_sysctl(void) +{ +} #endif #ifdef CONFIG_PROC_FS extern int atalk_proc_init(void); extern void atalk_proc_exit(void); #else -#define atalk_proc_init() ({ 0; }) -#define atalk_proc_exit() do { } while(0) +static inline int atalk_proc_init(void) +{ + return 0; +} +static inline void atalk_proc_exit(void) +{ +} #endif /* CONFIG_PROC_FS */ #endif /* __LINUX_ATALK_H__ */ diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h index 072501a0ac86..dfa6d4f08b99 100644 --- a/include/linux/backing-dev-defs.h +++ b/include/linux/backing-dev-defs.h @@ -157,6 +157,7 @@ struct backing_dev_info { struct radix_tree_root cgwb_tree; /* radix tree of active cgroup wbs */ struct rb_root cgwb_congested_tree; /* their congested states */ atomic_t usage_cnt; /* counts both cgwbs and cgwb_contested's */ + struct rw_semaphore wb_switch_rwsem; /* no cgwb switch while syncing */ #else struct bdi_writeback_congested *wb_congested; #endif diff --git a/include/linux/bio.h b/include/linux/bio.h index 42e4e3cbb001..0ffb9a397620 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -290,7 +290,7 @@ static inline void bio_cnt_set(struct bio *bio, unsigned int count) { if (count != 1) { bio->bi_flags |= (1 << BIO_REFFED); - smp_mb__before_atomic(); + smp_mb(); } atomic_set(&bio->__bi_cnt, count); } diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 9653fdb76a42..39d47af6ca7b 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -84,6 +84,14 @@ */ /* + * Allocation and deallocation of bitmap. + * Provided in lib/bitmap.c to avoid circular dependency. + */ +extern unsigned long *bitmap_alloc(unsigned int nbits, gfp_t flags); +extern unsigned long *bitmap_zalloc(unsigned int nbits, gfp_t flags); +extern void bitmap_free(const unsigned long *bitmap); + +/* * lib/bitmap.c provides these functions: */ @@ -175,8 +183,13 @@ extern int bitmap_print_to_pagebuf(bool list, char *buf, #define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1))) #define BITMAP_LAST_WORD_MASK(nbits) (~0UL >> (-(nbits) & (BITS_PER_LONG - 1))) +/* + * The static inlines below do not handle constant nbits==0 correctly, + * so make such users (should any ever turn up) call the out-of-line + * versions. + */ #define small_const_nbits(nbits) \ - (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG) + (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG && (nbits) > 0) static inline void bitmap_zero(unsigned long *dst, unsigned int nbits) { @@ -303,7 +316,7 @@ static __always_inline int bitmap_weight(const unsigned long *src, unsigned int } static inline void bitmap_shift_right(unsigned long *dst, const unsigned long *src, - unsigned int shift, int nbits) + unsigned int shift, unsigned int nbits) { if (small_const_nbits(nbits)) *dst = (*src & BITMAP_LAST_WORD_MASK(nbits)) >> shift; diff --git a/include/linux/bitops.h b/include/linux/bitops.h index defeaac0745f..83edade218fa 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -1,28 +1,9 @@ #ifndef _LINUX_BITOPS_H #define _LINUX_BITOPS_H #include <asm/types.h> +#include <linux/bits.h> -#ifdef __KERNEL__ -#define BIT(nr) (1UL << (nr)) -#define BIT_ULL(nr) (1ULL << (nr)) -#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) -#define BIT_WORD(nr) ((nr) / BITS_PER_LONG) -#define BIT_ULL_MASK(nr) (1ULL << ((nr) % BITS_PER_LONG_LONG)) -#define BIT_ULL_WORD(nr) ((nr) / BITS_PER_LONG_LONG) -#define BITS_PER_BYTE 8 #define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long)) -#endif - -/* - * Create a contiguous bitmask starting at bit position @l and ending at - * position @h. For example - * GENMASK_ULL(39, 21) gives us the 64bit vector 0x000000ffffe00000. - */ -#define GENMASK(h, l) \ - (((~0UL) << (l)) & (~0UL >> (BITS_PER_LONG - 1 - (h)))) - -#define GENMASK_ULL(h, l) \ - (((~0ULL) << (l)) & (~0ULL >> (BITS_PER_LONG_LONG - 1 - (h)))) extern unsigned int __sw_hweight8(unsigned int w); extern unsigned int __sw_hweight16(unsigned int w); @@ -87,7 +68,7 @@ static __always_inline unsigned long hweight_long(unsigned long w) */ static inline __u64 rol64(__u64 word, unsigned int shift) { - return (word << shift) | (word >> (64 - shift)); + return (word << (shift & 63)) | (word >> ((-shift) & 63)); } /** @@ -97,7 +78,7 @@ static inline __u64 rol64(__u64 word, unsigned int shift) */ static inline __u64 ror64(__u64 word, unsigned int shift) { - return (word >> shift) | (word << (64 - shift)); + return (word >> (shift & 63)) | (word << ((-shift) & 63)); } /** @@ -107,7 +88,7 @@ static inline __u64 ror64(__u64 word, unsigned int shift) */ static inline __u32 rol32(__u32 word, unsigned int shift) { - return (word << shift) | (word >> ((-shift) & 31)); + return (word << (shift & 31)) | (word >> ((-shift) & 31)); } /** @@ -117,7 +98,7 @@ static inline __u32 rol32(__u32 word, unsigned int shift) */ static inline __u32 ror32(__u32 word, unsigned int shift) { - return (word >> shift) | (word << (32 - shift)); + return (word >> (shift & 31)) | (word << ((-shift) & 31)); } /** @@ -127,7 +108,7 @@ static inline __u32 ror32(__u32 word, unsigned int shift) */ static inline __u16 rol16(__u16 word, unsigned int shift) { - return (word << shift) | (word >> (16 - shift)); + return (word << (shift & 15)) | (word >> ((-shift) & 15)); } /** @@ -137,7 +118,7 @@ static inline __u16 rol16(__u16 word, unsigned int shift) */ static inline __u16 ror16(__u16 word, unsigned int shift) { - return (word >> shift) | (word << (16 - shift)); + return (word >> (shift & 15)) | (word << ((-shift) & 15)); } /** @@ -147,7 +128,7 @@ static inline __u16 ror16(__u16 word, unsigned int shift) */ static inline __u8 rol8(__u8 word, unsigned int shift) { - return (word << shift) | (word >> (8 - shift)); + return (word << (shift & 7)) | (word >> ((-shift) & 7)); } /** @@ -157,7 +138,7 @@ static inline __u8 rol8(__u8 word, unsigned int shift) */ static inline __u8 ror8(__u8 word, unsigned int shift) { - return (word >> shift) | (word << (8 - shift)); + return (word >> (shift & 7)) | (word << ((-shift) & 7)); } /** diff --git a/include/linux/bitrev.h b/include/linux/bitrev.h index fb790b8449c1..333e42cf08de 100644 --- a/include/linux/bitrev.h +++ b/include/linux/bitrev.h @@ -31,32 +31,32 @@ static inline u32 __bitrev32(u32 x) #define __constant_bitrev32(x) \ ({ \ - u32 __x = x; \ - __x = (__x >> 16) | (__x << 16); \ - __x = ((__x & (u32)0xFF00FF00UL) >> 8) | ((__x & (u32)0x00FF00FFUL) << 8); \ - __x = ((__x & (u32)0xF0F0F0F0UL) >> 4) | ((__x & (u32)0x0F0F0F0FUL) << 4); \ - __x = ((__x & (u32)0xCCCCCCCCUL) >> 2) | ((__x & (u32)0x33333333UL) << 2); \ - __x = ((__x & (u32)0xAAAAAAAAUL) >> 1) | ((__x & (u32)0x55555555UL) << 1); \ - __x; \ + u32 ___x = x; \ + ___x = (___x >> 16) | (___x << 16); \ + ___x = ((___x & (u32)0xFF00FF00UL) >> 8) | ((___x & (u32)0x00FF00FFUL) << 8); \ + ___x = ((___x & (u32)0xF0F0F0F0UL) >> 4) | ((___x & (u32)0x0F0F0F0FUL) << 4); \ + ___x = ((___x & (u32)0xCCCCCCCCUL) >> 2) | ((___x & (u32)0x33333333UL) << 2); \ + ___x = ((___x & (u32)0xAAAAAAAAUL) >> 1) | ((___x & (u32)0x55555555UL) << 1); \ + ___x; \ }) #define __constant_bitrev16(x) \ ({ \ - u16 __x = x; \ - __x = (__x >> 8) | (__x << 8); \ - __x = ((__x & (u16)0xF0F0U) >> 4) | ((__x & (u16)0x0F0FU) << 4); \ - __x = ((__x & (u16)0xCCCCU) >> 2) | ((__x & (u16)0x3333U) << 2); \ - __x = ((__x & (u16)0xAAAAU) >> 1) | ((__x & (u16)0x5555U) << 1); \ - __x; \ + u16 ___x = x; \ + ___x = (___x >> 8) | (___x << 8); \ + ___x = ((___x & (u16)0xF0F0U) >> 4) | ((___x & (u16)0x0F0FU) << 4); \ + ___x = ((___x & (u16)0xCCCCU) >> 2) | ((___x & (u16)0x3333U) << 2); \ + ___x = ((___x & (u16)0xAAAAU) >> 1) | ((___x & (u16)0x5555U) << 1); \ + ___x; \ }) #define __constant_bitrev8(x) \ ({ \ - u8 __x = x; \ - __x = (__x >> 4) | (__x << 4); \ - __x = ((__x & (u8)0xCCU) >> 2) | ((__x & (u8)0x33U) << 2); \ - __x = ((__x & (u8)0xAAU) >> 1) | ((__x & (u8)0x55U) << 1); \ - __x; \ + u8 ___x = x; \ + ___x = (___x >> 4) | (___x << 4); \ + ___x = ((___x & (u8)0xCCU) >> 2) | ((___x & (u8)0x33U) << 2); \ + ___x = ((___x & (u8)0xAAU) >> 1) | ((___x & (u8)0x55U) << 1); \ + ___x; \ }) #define bitrev32(x) \ diff --git a/include/linux/bits.h b/include/linux/bits.h new file mode 100644 index 000000000000..2b7b532c1d51 --- /dev/null +++ b/include/linux/bits.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __LINUX_BITS_H +#define __LINUX_BITS_H +#include <asm/bitsperlong.h> + +#define BIT(nr) (1UL << (nr)) +#define BIT_ULL(nr) (1ULL << (nr)) +#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) +#define BIT_WORD(nr) ((nr) / BITS_PER_LONG) +#define BIT_ULL_MASK(nr) (1ULL << ((nr) % BITS_PER_LONG_LONG)) +#define BIT_ULL_WORD(nr) ((nr) / BITS_PER_LONG_LONG) +#define BITS_PER_BYTE 8 + +/* + * Create a contiguous bitmask starting at bit position @l and ending at + * position @h. For example + * GENMASK_ULL(39, 21) gives us the 64bit vector 0x000000ffffe00000. + */ +#define GENMASK(h, l) \ + (((~0UL) - (1UL << (l)) + 1) & (~0UL >> (BITS_PER_LONG - 1 - (h)))) + +#define GENMASK_ULL(h, l) \ + (((~0ULL) - (1ULL << (l)) + 1) & \ + (~0ULL >> (BITS_PER_LONG_LONG - 1 - (h)))) + +#endif /* __LINUX_BITS_H */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 1383e1c03ff2..4ae5d6ecd727 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -199,6 +199,11 @@ struct request { struct request *next_rq; }; +static inline bool blk_rq_is_passthrough(struct request *rq) +{ + return rq->cmd_type != REQ_TYPE_FS; +} + static inline unsigned short req_get_ioprio(struct request *req) { return req->ioprio; @@ -259,6 +264,7 @@ struct queue_limits { unsigned int max_sectors; unsigned int max_segment_size; unsigned int physical_block_size; + unsigned int logical_block_size; unsigned int alignment_offset; unsigned int io_min; unsigned int io_opt; @@ -268,7 +274,6 @@ struct queue_limits { unsigned int discard_granularity; unsigned int discard_alignment; - unsigned short logical_block_size; unsigned short max_segments; unsigned short max_integrity_segments; @@ -582,9 +587,10 @@ static inline void queue_flag_clear(unsigned int flag, struct request_queue *q) ((rq)->cmd_flags & (REQ_FAILFAST_DEV|REQ_FAILFAST_TRANSPORT| \ REQ_FAILFAST_DRIVER)) -#define blk_account_rq(rq) \ - (((rq)->cmd_flags & REQ_STARTED) && \ - ((rq)->cmd_type == REQ_TYPE_FS)) +static inline bool blk_account_rq(struct request *rq) +{ + return (rq->cmd_flags & REQ_STARTED) && !blk_rq_is_passthrough(rq); +} #define blk_rq_cpu_valid(rq) ((rq)->cpu != -1) #define blk_bidi_rq(rq) ((rq)->next_rq != NULL) @@ -645,7 +651,7 @@ static inline void blk_clear_rl_full(struct request_list *rl, bool sync) static inline bool rq_mergeable(struct request *rq) { - if (rq->cmd_type != REQ_TYPE_FS) + if (blk_rq_is_passthrough(rq)) return false; if (rq->cmd_flags & REQ_NOMERGE_FLAGS) @@ -890,7 +896,7 @@ static inline unsigned int blk_rq_get_max_sectors(struct request *rq) { struct request_queue *q = rq->q; - if (unlikely(rq->cmd_type != REQ_TYPE_FS)) + if (blk_rq_is_passthrough(rq)) return q->limits.max_hw_sectors; if (!q->limits.chunk_sectors || (rq->cmd_flags & REQ_DISCARD)) @@ -969,7 +975,7 @@ extern void blk_queue_max_discard_sectors(struct request_queue *q, unsigned int max_discard_sectors); extern void blk_queue_max_write_same_sectors(struct request_queue *q, unsigned int max_write_same_sectors); -extern void blk_queue_logical_block_size(struct request_queue *, unsigned short); +extern void blk_queue_logical_block_size(struct request_queue *, unsigned int); extern void blk_queue_physical_block_size(struct request_queue *, unsigned int); extern void blk_queue_alignment_offset(struct request_queue *q, unsigned int alignment); @@ -1187,7 +1193,7 @@ static inline unsigned int queue_max_segment_size(struct request_queue *q) return q->limits.max_segment_size; } -static inline unsigned short queue_logical_block_size(struct request_queue *q) +static inline unsigned queue_logical_block_size(struct request_queue *q) { int retval = 512; @@ -1197,7 +1203,7 @@ static inline unsigned short queue_logical_block_size(struct request_queue *q) return retval; } -static inline unsigned short bdev_logical_block_size(struct block_device *bdev) +static inline unsigned int bdev_logical_block_size(struct block_device *bdev) { return queue_logical_block_size(bdev_get_queue(bdev)); } diff --git a/include/linux/bug.h b/include/linux/bug.h index 7f4818673c41..581a53dfbd31 100644 --- a/include/linux/bug.h +++ b/include/linux/bug.h @@ -102,6 +102,11 @@ int is_valid_bugaddr(unsigned long addr); #else /* !CONFIG_GENERIC_BUG */ +static inline void *find_bug(unsigned long bugaddr) +{ + return NULL; +} + static inline enum bug_trap_type report_bug(unsigned long bug_addr, struct pt_regs *regs) { diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h index f7178f44825b..d2a497950639 100644 --- a/include/linux/can/dev.h +++ b/include/linux/can/dev.h @@ -17,6 +17,7 @@ #include <linux/can/error.h> #include <linux/can/led.h> #include <linux/can/netlink.h> +#include <linux/can/skb.h> #include <linux/netdevice.h> /* @@ -81,6 +82,36 @@ struct can_priv { #define get_can_dlc(i) (min_t(__u8, (i), CAN_MAX_DLC)) #define get_canfd_dlc(i) (min_t(__u8, (i), CANFD_MAX_DLC)) +/* Check for outgoing skbs that have not been created by the CAN subsystem */ +static inline bool can_skb_headroom_valid(struct net_device *dev, + struct sk_buff *skb) +{ + /* af_packet creates a headroom of HH_DATA_MOD bytes which is fine */ + if (WARN_ON_ONCE(skb_headroom(skb) < sizeof(struct can_skb_priv))) + return false; + + /* af_packet does not apply CAN skb specific settings */ + if (skb->ip_summed == CHECKSUM_NONE) { + /* init headroom */ + can_skb_prv(skb)->ifindex = dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; + + skb->ip_summed = CHECKSUM_UNNECESSARY; + + /* preform proper loopback on capable devices */ + if (dev->flags & IFF_ECHO) + skb->pkt_type = PACKET_LOOPBACK; + else + skb->pkt_type = PACKET_HOST; + + skb_reset_mac_header(skb); + skb_reset_network_header(skb); + skb_reset_transport_header(skb); + } + + return true; +} + /* Drop a given socketbuffer if it does not contain a valid CAN frame. */ static inline bool can_dropped_invalid_skb(struct net_device *dev, struct sk_buff *skb) @@ -98,6 +129,9 @@ static inline bool can_dropped_invalid_skb(struct net_device *dev, } else goto inval_skb; + if (!can_skb_headroom_valid(dev, skb)) + goto inval_skb; + return false; inval_skb: diff --git a/include/linux/ceph/buffer.h b/include/linux/ceph/buffer.h index 07ca15e76100..dada47a4360f 100644 --- a/include/linux/ceph/buffer.h +++ b/include/linux/ceph/buffer.h @@ -29,7 +29,8 @@ static inline struct ceph_buffer *ceph_buffer_get(struct ceph_buffer *b) static inline void ceph_buffer_put(struct ceph_buffer *b) { - kref_put(&b->kref, ceph_buffer_release); + if (b) + kref_put(&b->kref, ceph_buffer_release); } extern int ceph_decode_buffer(struct ceph_buffer **b, void **p, void *end); diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 210ccc4ea44b..8607c937145f 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -453,7 +453,7 @@ static inline struct cgroup_subsys_state *task_css(struct task_struct *task, * * Find the css for the (@task, @subsys_id) combination, increment a * reference on and return it. This function is guaranteed to return a - * valid css. + * valid css. The returned css may already have been offlined. */ static inline struct cgroup_subsys_state * task_get_css(struct task_struct *task, int subsys_id) @@ -463,7 +463,13 @@ task_get_css(struct task_struct *task, int subsys_id) rcu_read_lock(); while (true) { css = task_css(task, subsys_id); - if (likely(css_tryget_online(css))) + /* + * Can't use css_tryget_online() here. A task which has + * PF_EXITING set may stay associated with an offline css. + * If such task calls this function, css_tryget_online() + * will keep failing. + */ + if (likely(css_tryget(css))) break; cpu_relax(); } diff --git a/include/linux/coda.h b/include/linux/coda.h index d30209b9cef8..0ca0c83fdb1c 100644 --- a/include/linux/coda.h +++ b/include/linux/coda.h @@ -58,8 +58,7 @@ Mellon the rights to redistribute these changes without encumbrance. #ifndef _CODA_HEADER_ #define _CODA_HEADER_ -#if defined(__linux__) typedef unsigned long long u_quad_t; -#endif + #include <uapi/linux/coda.h> #endif diff --git a/include/linux/coda_psdev.h b/include/linux/coda_psdev.h index 5b8721efa948..fe1466daf291 100644 --- a/include/linux/coda_psdev.h +++ b/include/linux/coda_psdev.h @@ -19,6 +19,17 @@ struct venus_comm { struct mutex vc_mutex; }; +/* messages between coda filesystem in kernel and Venus */ +struct upc_req { + struct list_head uc_chain; + caddr_t uc_data; + u_short uc_flags; + u_short uc_inSize; /* Size is at most 5000 bytes */ + u_short uc_outSize; + u_short uc_opcode; /* copied from data to save lookup */ + int uc_unique; + wait_queue_head_t uc_sleep; /* process' wait queue */ +}; static inline struct venus_comm *coda_vcp(struct super_block *sb) { diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index 143d40e8a1ea..af8b4a879934 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -207,6 +207,15 @@ #if GCC_VERSION >= 40500 /* + * calling noreturn functions, __builtin_unreachable() and __builtin_trap() + * confuse the stack allocation in gcc, leading to overly large stack + * frames, see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82365 + * + * Adding an empty inline assembly before it works around the problem + */ +#define barrier_before_unreachable() asm volatile("") + +/* * Mark a position in code as unreachable. This can be used to * suppress control flow warnings after asm blocks that transfer * control elsewhere. @@ -215,7 +224,11 @@ * this in the preprocessor, but we can live with this because they're * unreleased. Really, we need to have autoconf for the kernel. */ -#define unreachable() __builtin_unreachable() +#define unreachable() \ + do { \ + barrier_before_unreachable(); \ + __builtin_unreachable(); \ + } while (0) /* Mark a function definition as prohibited from being cloned. */ #define __noclone __attribute__((__noclone__, __optimize__("no-tracer"))) diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 0db1fa621d8a..5508011cc0c7 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -52,6 +52,22 @@ extern void __chk_io_ptr(const volatile void __iomem *); #ifdef __KERNEL__ +/* + * Minimal backport of compiler_attributes.h to add support for __copy + * to v4.9.y so that we can use it in init/exit_module to avoid + * -Werror=missing-attributes errors on GCC 9. + */ +#ifndef __has_attribute +# define __has_attribute(x) __GCC4_has_attribute_##x +# define __GCC4_has_attribute___copy__ 0 +#endif + +#if __has_attribute(__copy__) +# define __copy(symbol) __attribute__((__copy__(symbol))) +#else +# define __copy(symbol) +#endif + #ifdef __GNUC__ #include <linux/compiler-gcc.h> #endif @@ -175,6 +191,11 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); # define barrier_data(ptr) barrier() #endif +/* workaround for GCC PR82365 if needed */ +#ifndef barrier_before_unreachable +# define barrier_before_unreachable() do { } while (0) +#endif + /* Unreachable code */ #ifndef unreachable # define unreachable() do { } while (1) diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 063c73ed6d78..9f97a5e0cb78 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -50,6 +50,13 @@ extern ssize_t cpu_show_spec_store_bypass(struct device *dev, struct device_attribute *attr, char *buf); extern ssize_t cpu_show_l1tf(struct device *dev, struct device_attribute *attr, char *buf); +extern ssize_t cpu_show_mds(struct device *dev, + struct device_attribute *attr, char *buf); +extern ssize_t cpu_show_tsx_async_abort(struct device *dev, + struct device_attribute *attr, + char *buf); +extern ssize_t cpu_show_itlb_multihit(struct device *dev, + struct device_attribute *attr, char *buf); extern __printf(4, 5) struct device *cpu_device_create(struct device *parent, void *drvdata, @@ -294,4 +301,21 @@ bool cpu_wait_death(unsigned int cpu, int seconds); bool cpu_report_death(void); #endif /* #ifdef CONFIG_HOTPLUG_CPU */ +/* + * These are used for a global "mitigations=" cmdline option for toggling + * optional CPU mitigations. + */ +enum cpu_mitigations { + CPU_MITIGATIONS_OFF, + CPU_MITIGATIONS_AUTO, +}; + +extern enum cpu_mitigations cpu_mitigations; + +/* mitigations=off */ +static inline bool cpu_mitigations_off(void) +{ + return cpu_mitigations == CPU_MITIGATIONS_OFF; +} + #endif /* _LINUX_CPU_H_ */ diff --git a/include/linux/cpufeature.h b/include/linux/cpufeature.h index 986c06c88d81..84d3c81b5978 100644 --- a/include/linux/cpufeature.h +++ b/include/linux/cpufeature.h @@ -45,7 +45,7 @@ * 'asm/cpufeature.h' of your favorite architecture. */ #define module_cpu_feature_match(x, __initfunc) \ -static struct cpu_feature const cpu_feature_match_ ## x[] = \ +static struct cpu_feature const __maybe_unused cpu_feature_match_ ## x[] = \ { { .feature = cpu_feature(x) }, { } }; \ MODULE_DEVICE_TABLE(cpu, cpu_feature_match_ ## x); \ \ diff --git a/include/linux/cred.h b/include/linux/cred.h index 9e120c92551b..d2db1da3036c 100644 --- a/include/linux/cred.h +++ b/include/linux/cred.h @@ -153,7 +153,11 @@ struct cred { struct user_struct *user; /* real user ID subscription */ struct user_namespace *user_ns; /* user_ns the caps and keyrings are relative to. */ struct group_info *group_info; /* supplementary groups for euid/fsgid */ - struct rcu_head rcu; /* RCU deletion hook */ + /* RCU deletion */ + union { + int non_rcu; /* Can we skip RCU deletion? */ + struct rcu_head rcu; /* RCU deletion hook */ + }; }; extern void __put_cred(struct cred *); @@ -251,6 +255,7 @@ static inline const struct cred *get_cred(const struct cred *cred) { struct cred *nonconst_cred = (struct cred *) cred; validate_creds(cred); + nonconst_cred->non_rcu = 0; return get_new_cred(nonconst_cred); } diff --git a/include/linux/device.h b/include/linux/device.h index 834000903525..eb891c9c4b62 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -677,7 +677,8 @@ extern unsigned long devm_get_free_pages(struct device *dev, gfp_t gfp_mask, unsigned int order); extern void devm_free_pages(struct device *dev, unsigned long addr); -void __iomem *devm_ioremap_resource(struct device *dev, struct resource *res); +void __iomem *devm_ioremap_resource(struct device *dev, + const struct resource *res); /* allows to add/remove a custom action to devres stack */ int devm_add_action(struct device *dev, void (*action)(void *), void *data); diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 2e551e2d2d03..62dd6676b7cc 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -151,8 +151,7 @@ static inline unsigned int dma_get_max_seg_size(struct device *dev) return SZ_64K; } -static inline unsigned int dma_set_max_seg_size(struct device *dev, - unsigned int size) +static inline int dma_set_max_seg_size(struct device *dev, unsigned int size) { if (dev->dma_parms) { dev->dma_parms->max_segment_size = size; diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index a16d1851cfb1..f1bd19c69fec 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -1207,8 +1207,11 @@ static inline int dma_get_slave_caps(struct dma_chan *chan, static inline int dmaengine_desc_set_reuse(struct dma_async_tx_descriptor *tx) { struct dma_slave_caps caps; + int ret; - dma_get_slave_caps(tx->chan, &caps); + ret = dma_get_slave_caps(tx->chan, &caps); + if (ret) + return ret; if (caps.descriptor_reuse) { tx->flags |= DMA_CTRL_REUSE; diff --git a/include/linux/edac.h b/include/linux/edac.h index 4fe67b853de0..9bb4f3311e13 100644 --- a/include/linux/edac.h +++ b/include/linux/edac.h @@ -17,6 +17,7 @@ #include <linux/completion.h> #include <linux/workqueue.h> #include <linux/debugfs.h> +#include <linux/numa.h> struct device; @@ -778,6 +779,6 @@ struct mem_ctl_info { /* * Maximum number of memory controllers in the coherent fabric. */ -#define EDAC_MAX_MCS 16 +#define EDAC_MAX_MCS 2 * MAX_NUMNODES #endif diff --git a/include/linux/elevator.h b/include/linux/elevator.h index 638b324f0291..92ad08a29884 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -97,7 +97,7 @@ struct elevator_type struct module *elevator_owner; /* managed by elevator core */ - char icq_cache_name[ELV_NAME_MAX + 5]; /* elvname + "_io_cq" */ + char icq_cache_name[ELV_NAME_MAX + 6]; /* elvname + "_io_cq" */ struct list_head list; }; diff --git a/include/linux/fb.h b/include/linux/fb.h index 3d003805aac3..b48a14e5424e 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -716,8 +716,6 @@ extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var); extern const unsigned char *fb_firmware_edid(struct device *device); extern void fb_edid_to_monspecs(unsigned char *edid, struct fb_monspecs *specs); -extern void fb_edid_add_monspecs(unsigned char *edid, - struct fb_monspecs *specs); extern void fb_destroy_modedb(struct fb_videomode *modedb); extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb); extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter); @@ -791,7 +789,6 @@ struct dmt_videomode { extern const char *fb_mode_option; extern const struct fb_videomode vesa_modes[]; -extern const struct fb_videomode cea_modes[65]; extern const struct dmt_videomode dmt_modes[]; struct fb_modelist { diff --git a/include/linux/fs.h b/include/linux/fs.h index 13277d2715df..26c4bf47cc99 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -140,6 +140,9 @@ typedef void (dax_iodone_t)(struct buffer_head *bh_map, int uptodate); /* Has write method(s) */ #define FMODE_CAN_WRITE ((__force fmode_t)0x40000) +/* File is stream-like */ +#define FMODE_STREAM ((__force fmode_t)0x200000) + /* File was opened by fanotify and shouldn't generate fanotify events */ #define FMODE_NONOTIFY ((__force fmode_t)0x4000000) @@ -2706,6 +2709,7 @@ extern loff_t fixed_size_llseek(struct file *file, loff_t offset, int whence, loff_t size); extern int generic_file_open(struct inode * inode, struct file * filp); extern int nonseekable_open(struct inode * inode, struct file * filp); +extern int stream_open(struct inode * inode, struct file * filp); #ifdef CONFIG_BLOCK typedef void (dio_submit_t)(int rw, struct bio *bio, struct inode *inode, diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 8942af0813e3..824bd16ae408 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -274,6 +274,29 @@ static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags) return (bool __force)(gfp_flags & __GFP_DIRECT_RECLAIM); } +/** + * gfpflags_normal_context - is gfp_flags a normal sleepable context? + * @gfp_flags: gfp_flags to test + * + * Test whether @gfp_flags indicates that the allocation is from the + * %current context and allowed to sleep. + * + * An allocation being allowed to block doesn't mean it owns the %current + * context. When direct reclaim path tries to allocate memory, the + * allocation context is nested inside whatever %current was doing at the + * time of the original allocation. The nested allocation may be allowed + * to block but modifying anything %current owns can corrupt the outer + * context's expectations. + * + * %true result from this function indicates that the allocation context + * can sleep and use anything that's associated with %current. + */ +static inline bool gfpflags_normal_context(const gfp_t gfp_flags) +{ + return (gfp_flags & (__GFP_DIRECT_RECLAIM | __GFP_MEMALLOC)) == + __GFP_DIRECT_RECLAIM; +} + #ifdef CONFIG_HIGHMEM #define OPT_ZONE_HIGHMEM ZONE_HIGHMEM #else diff --git a/include/linux/gpio.h b/include/linux/gpio.h index d12b5d566e4b..11555bd821b7 100644 --- a/include/linux/gpio.h +++ b/include/linux/gpio.h @@ -229,30 +229,6 @@ static inline int irq_to_gpio(unsigned irq) return -EINVAL; } -static inline int -gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name, - unsigned int gpio_offset, unsigned int pin_offset, - unsigned int npins) -{ - WARN_ON(1); - return -EINVAL; -} - -static inline int -gpiochip_add_pingroup_range(struct gpio_chip *chip, - struct pinctrl_dev *pctldev, - unsigned int gpio_offset, const char *pin_group) -{ - WARN_ON(1); - return -EINVAL; -} - -static inline void -gpiochip_remove_pin_ranges(struct gpio_chip *chip) -{ - WARN_ON(1); -} - static inline int devm_gpio_request(struct device *dev, unsigned gpio, const char *label) { diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h index fb0fde686cb1..4a9838feb086 100644 --- a/include/linux/gpio/consumer.h +++ b/include/linux/gpio/consumer.h @@ -398,7 +398,7 @@ static inline int gpiod_to_irq(const struct gpio_desc *desc) static inline struct gpio_desc *gpio_to_desc(unsigned gpio) { - return ERR_PTR(-EINVAL); + return NULL; } static inline int desc_to_gpio(const struct gpio_desc *desc) diff --git a/include/linux/hid.h b/include/linux/hid.h index fd86687f8119..5f3131885136 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -372,6 +372,7 @@ struct hid_global { struct hid_local { unsigned usage[HID_MAX_USAGES]; /* usage array */ + u8 usage_size[HID_MAX_USAGES]; /* usage size array */ unsigned collection_index[HID_MAX_USAGES]; /* collection index array */ unsigned usage_index; unsigned usage_minimum; diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 2ead22dd74a0..07fd2f4f9a06 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -424,12 +424,18 @@ extern u64 hrtimer_get_next_event(void); extern bool hrtimer_active(const struct hrtimer *timer); -/* - * Helper function to check, whether the timer is on one of the queues +/** + * hrtimer_is_queued = check, whether the timer is on one of the queues + * @timer: Timer to check + * + * Returns: True if the timer is queued, false otherwise + * + * The function can be used lockless, but it gives only a current snapshot. */ -static inline int hrtimer_is_queued(struct hrtimer *timer) +static inline bool hrtimer_is_queued(struct hrtimer *timer) { - return timer->state & HRTIMER_STATE_ENQUEUED; + /* The READ_ONCE pairs with the update functions of timer->state */ + return !!(READ_ONCE(timer->state) & HRTIMER_STATE_ENQUEUED); } /* diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 3957d99e66ea..cc185525a94b 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -91,9 +91,7 @@ void putback_active_hugepage(struct page *page); void free_huge_page(struct page *page); void hugetlb_fix_reserve_counts(struct inode *inode, bool restore_reserve); extern struct mutex *hugetlb_fault_mutex_table; -u32 hugetlb_fault_mutex_hash(struct hstate *h, struct mm_struct *mm, - struct vm_area_struct *vma, - struct address_space *mapping, +u32 hugetlb_fault_mutex_hash(struct hstate *h, struct address_space *mapping, pgoff_t idx, unsigned long address); #ifdef CONFIG_ARCH_WANT_HUGE_PMD_SHARE diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 452c0b0d2f32..149a7a6687e9 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -2550,4 +2550,57 @@ static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb) return true; } +struct element { + u8 id; + u8 datalen; + u8 data[]; +} __packed; + +/* element iteration helpers */ +#define for_each_element(_elem, _data, _datalen) \ + for (_elem = (const struct element *)(_data); \ + (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \ + (int)sizeof(*_elem) && \ + (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \ + (int)sizeof(*_elem) + _elem->datalen; \ + _elem = (const struct element *)(_elem->data + _elem->datalen)) + +#define for_each_element_id(element, _id, data, datalen) \ + for_each_element(element, data, datalen) \ + if (element->id == (_id)) + +#define for_each_element_extid(element, extid, data, datalen) \ + for_each_element(element, data, datalen) \ + if (element->id == WLAN_EID_EXTENSION && \ + element->datalen > 0 && \ + element->data[0] == (extid)) + +#define for_each_subelement(sub, element) \ + for_each_element(sub, (element)->data, (element)->datalen) + +#define for_each_subelement_id(sub, id, element) \ + for_each_element_id(sub, id, (element)->data, (element)->datalen) + +#define for_each_subelement_extid(sub, extid, element) \ + for_each_element_extid(sub, extid, (element)->data, (element)->datalen) + +/** + * for_each_element_completed - determine if element parsing consumed all data + * @element: element pointer after for_each_element() or friends + * @data: same data pointer as passed to for_each_element() or friends + * @datalen: same data length as passed to for_each_element() or friends + * + * This function returns %true if all the data was parsed or considered + * while walking the elements. Only use this if your for_each_element() + * loop cannot be broken out of, otherwise it always returns %false. + * + * If some data was malformed, this returns %false since the last parsed + * element will not fill the whole remaining data. + */ +static inline bool for_each_element_completed(const struct element *element, + const void *data, size_t datalen) +{ + return (const u8 *)element == (const u8 *)data + datalen; +} + #endif /* LINUX_IEEE80211_H */ diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h index d5569734f672..676cf8d0acca 100644 --- a/include/linux/if_ether.h +++ b/include/linux/if_ether.h @@ -28,6 +28,14 @@ static inline struct ethhdr *eth_hdr(const struct sk_buff *skb) return (struct ethhdr *)skb_mac_header(skb); } +/* Prefer this version in TX path, instead of + * skb_reset_mac_header() + eth_hdr() + */ +static inline struct ethhdr *skb_eth_hdr(const struct sk_buff *skb) +{ + return (struct ethhdr *)skb->data; +} + int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr); extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len); diff --git a/include/linux/if_pppox.h b/include/linux/if_pppox.h index b49cf923becc..93ef387eadb1 100644 --- a/include/linux/if_pppox.h +++ b/include/linux/if_pppox.h @@ -84,6 +84,9 @@ extern int register_pppox_proto(int proto_num, const struct pppox_proto *pp); extern void unregister_pppox_proto(int proto_num); extern void pppox_unbind_sock(struct sock *sk);/* delete ppp-channel binding */ extern int pppox_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); +extern int pppox_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); + +#define PPPOEIOCSFWD32 _IOW(0xB1 ,0, compat_size_t) /* PPPoX socket states */ enum { diff --git a/include/linux/iio/adc/ad_sigma_delta.h b/include/linux/iio/adc/ad_sigma_delta.h index 6cc48ac55fd2..40b14736c73d 100644 --- a/include/linux/iio/adc/ad_sigma_delta.h +++ b/include/linux/iio/adc/ad_sigma_delta.h @@ -66,6 +66,7 @@ struct ad_sigma_delta { bool irq_dis; bool bus_locked; + bool keep_cs_asserted; uint8_t comm; diff --git a/include/linux/init_task.h b/include/linux/init_task.h index 1c1ff7e4faa4..d25d3f70ee99 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -15,6 +15,8 @@ #include <net/net_namespace.h> #include <linux/sched/rt.h> +#include <asm/thread_info.h> + #ifdef CONFIG_SMP # define INIT_PUSHABLE_TASKS(tsk) \ .pushable_tasks = PLIST_NODE_INIT(tsk.pushable_tasks, MAX_PRIO), @@ -183,12 +185,19 @@ extern struct task_group root_task_group; # define INIT_KASAN(tsk) #endif +#ifdef CONFIG_THREAD_INFO_IN_TASK +# define INIT_TASK_TI(tsk) .thread_info = INIT_THREAD_INFO(tsk), +#else +# define INIT_TASK_TI(tsk) +#endif + /* * INIT_TASK is used to set up the first task table, touch at * your own risk!. Base=0, limit=0x1fffff (=2MB) */ #define INIT_TASK(tsk) \ { \ + INIT_TASK_TI(tsk) \ .state = 0, \ .stack = &init_thread_info, \ .usage = ATOMIC_INIT(2), \ diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index e353f6600b0b..27dbab59f034 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -295,7 +295,8 @@ enum { #define QI_DEV_IOTLB_SID(sid) ((u64)((sid) & 0xffff) << 32) #define QI_DEV_IOTLB_QDEP(qdep) (((qdep) & 0x1f) << 16) #define QI_DEV_IOTLB_ADDR(addr) ((u64)(addr) & VTD_PAGE_MASK) -#define QI_DEV_IOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | ((u64)(pfsid & 0xfff) << 52)) +#define QI_DEV_IOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | \ + ((u64)((pfsid >> 4) & 0xfff) << 52)) #define QI_DEV_IOTLB_SIZE 1 #define QI_DEV_IOTLB_MAX_INVS 32 @@ -320,7 +321,8 @@ enum { #define QI_DEV_EIOTLB_PASID(p) (((u64)p) << 32) #define QI_DEV_EIOTLB_SID(sid) ((u64)((sid) & 0xffff) << 16) #define QI_DEV_EIOTLB_QDEP(qd) ((u64)((qd) & 0x1f) << 4) -#define QI_DEV_EIOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | ((u64)(pfsid & 0xfff) << 52)) +#define QI_DEV_EIOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | \ + ((u64)((pfsid >> 4) & 0xfff) << 52)) #define QI_DEV_EIOTLB_MAX_INVS 32 #define QI_PGRP_IDX(idx) (((u64)(idx)) << 55) diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index 65407f6c9120..00108208759d 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -1440,7 +1440,7 @@ static inline int jbd2_space_needed(journal_t *journal) static inline unsigned long jbd2_log_space_left(journal_t *journal) { /* Allow for rounding errors */ - unsigned long free = journal->j_free - 32; + long free = journal->j_free - 32; if (journal->j_committing_transaction) { unsigned long committing = atomic_read(&journal-> @@ -1449,7 +1449,7 @@ static inline unsigned long jbd2_log_space_left(journal_t *journal) /* Transaction + control blocks */ free -= committing + (committing >> JBD2_CONTROL_BLOCKS_SHIFT); } - return free; + return max_t(long, free, 0); } /* diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h index 68904469fba1..2209eb0740b0 100644 --- a/include/linux/jump_label.h +++ b/include/linux/jump_label.h @@ -267,9 +267,15 @@ struct static_key_false { #define DEFINE_STATIC_KEY_TRUE(name) \ struct static_key_true name = STATIC_KEY_TRUE_INIT +#define DECLARE_STATIC_KEY_TRUE(name) \ + extern struct static_key_true name + #define DEFINE_STATIC_KEY_FALSE(name) \ struct static_key_false name = STATIC_KEY_FALSE_INIT +#define DECLARE_STATIC_KEY_FALSE(name) \ + extern struct static_key_false name + extern bool ____wrong_branch_error(void); #define static_key_enabled(x) \ diff --git a/include/linux/kobject.h b/include/linux/kobject.h index 5957c6a3fd7f..d9d4485ebad2 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -108,6 +108,8 @@ extern int __must_check kobject_rename(struct kobject *, const char *new_name); extern int __must_check kobject_move(struct kobject *, struct kobject *); extern struct kobject *kobject_get(struct kobject *kobj); +extern struct kobject * __must_check kobject_get_unless_zero( + struct kobject *kobj); extern void kobject_put(struct kobject *kobj); extern const void *kobject_namespace(struct kobject *kobj); diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index e23392517db9..cb527c78de9f 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -197,6 +197,7 @@ struct kretprobe_instance { struct kretprobe *rp; kprobe_opcode_t *ret_addr; struct task_struct *task; + void *fp; char data[0]; }; diff --git a/include/linux/libfdt_env.h b/include/linux/libfdt_env.h index 2a663c6bb428..bd0a55821177 100644 --- a/include/linux/libfdt_env.h +++ b/include/linux/libfdt_env.h @@ -1,10 +1,14 @@ #ifndef _LIBFDT_ENV_H #define _LIBFDT_ENV_H +#include <linux/kernel.h> /* For INT_MAX */ #include <linux/string.h> #include <asm/byteorder.h> +#define INT32_MAX S32_MAX +#define UINT32_MAX U32_MAX + typedef __be16 fdt16_t; typedef __be32 fdt32_t; typedef __be64 fdt64_t; diff --git a/include/linux/list_lru.h b/include/linux/list_lru.h index 743b34f56f2b..f9a8889e134a 100644 --- a/include/linux/list_lru.h +++ b/include/linux/list_lru.h @@ -51,6 +51,7 @@ struct list_lru { struct list_lru_node *node; #ifdef CONFIG_MEMCG_KMEM struct list_head list; + bool memcg_aware; #endif }; diff --git a/include/linux/mfd/da9063/registers.h b/include/linux/mfd/da9063/registers.h index 2e0ba6d5fbc3..f97173bef581 100644 --- a/include/linux/mfd/da9063/registers.h +++ b/include/linux/mfd/da9063/registers.h @@ -215,9 +215,9 @@ /* DA9063 Configuration registers */ /* OTP */ -#define DA9063_REG_OPT_COUNT 0x101 -#define DA9063_REG_OPT_ADDR 0x102 -#define DA9063_REG_OPT_DATA 0x103 +#define DA9063_REG_OTP_CONT 0x101 +#define DA9063_REG_OTP_ADDR 0x102 +#define DA9063_REG_OTP_DATA 0x103 /* Customer Trim and Configuration */ #define DA9063_REG_T_OFFSET 0x104 diff --git a/include/linux/mfd/max8997.h b/include/linux/mfd/max8997.h index cf815577bd68..3ae1fe743bc3 100644 --- a/include/linux/mfd/max8997.h +++ b/include/linux/mfd/max8997.h @@ -178,7 +178,6 @@ struct max8997_led_platform_data { struct max8997_platform_data { /* IRQ */ int ono; - int wakeup; /* ---- PMIC ---- */ struct max8997_regulator_data *regulators; diff --git a/include/linux/mfd/mc13xxx.h b/include/linux/mfd/mc13xxx.h index 638222e43e48..93011c61aafd 100644 --- a/include/linux/mfd/mc13xxx.h +++ b/include/linux/mfd/mc13xxx.h @@ -247,6 +247,7 @@ struct mc13xxx_platform_data { #define MC13XXX_ADC0_TSMOD0 (1 << 12) #define MC13XXX_ADC0_TSMOD1 (1 << 13) #define MC13XXX_ADC0_TSMOD2 (1 << 14) +#define MC13XXX_ADC0_CHRGRAWDIV (1 << 15) #define MC13XXX_ADC0_ADINC1 (1 << 16) #define MC13XXX_ADC0_ADINC2 (1 << 17) diff --git a/include/linux/mm.h b/include/linux/mm.h index 251adf4d8a71..15f81b2b87ed 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1098,6 +1098,27 @@ void zap_page_range(struct vm_area_struct *vma, unsigned long address, void unmap_vmas(struct mmu_gather *tlb, struct vm_area_struct *start_vma, unsigned long start, unsigned long end); +/* + * This has to be called after a get_task_mm()/mmget_not_zero() + * followed by taking the mmap_sem for writing before modifying the + * vmas or anything the coredump pretends not to change from under it. + * + * NOTE: find_extend_vma() called from GUP context is the only place + * that can modify the "mm" (notably the vm_start/end) under mmap_sem + * for reading and outside the context of the process, so it is also + * the only case that holds the mmap_sem for reading that must call + * this function. Generally if the mmap_sem is hold for reading + * there's no need of this check after get_task_mm()/mmget_not_zero(). + * + * This function can be obsoleted and the check can be removed, after + * the coredump code will hold the mmap_sem for writing before + * invoking the ->core_dump methods. + */ +static inline bool mmget_still_valid(struct mm_struct *mm) +{ + return likely(!mm->core_state); +} + /** * mm_walk - callbacks for walk_page_range * @pmd_entry: if set, called for each non-empty PMD (3rd-level) entry @@ -1781,6 +1802,7 @@ extern int __meminit init_per_zone_wmark_min(void); extern void mem_init(void); extern void __init mmap_init(void); extern void show_mem(unsigned int flags); +extern long si_mem_available(void); extern void si_meminfo(struct sysinfo * val); extern void si_meminfo_node(struct sysinfo *val, int nid); diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 64f36e09a790..3f3f801ca488 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -502,9 +502,9 @@ struct platform_device_id { #define MDIO_MODULE_PREFIX "mdio:" -#define MDIO_ID_FMT "%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d" +#define MDIO_ID_FMT "%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u" #define MDIO_ID_ARGS(_id) \ - (_id)>>31, ((_id)>>30) & 1, ((_id)>>29) & 1, ((_id)>>28) & 1, \ + ((_id)>>31) & 1, ((_id)>>30) & 1, ((_id)>>29) & 1, ((_id)>>28) & 1, \ ((_id)>>27) & 1, ((_id)>>26) & 1, ((_id)>>25) & 1, ((_id)>>24) & 1, \ ((_id)>>23) & 1, ((_id)>>22) & 1, ((_id)>>21) & 1, ((_id)>>20) & 1, \ ((_id)>>19) & 1, ((_id)>>18) & 1, ((_id)>>17) & 1, ((_id)>>16) & 1, \ diff --git a/include/linux/module.h b/include/linux/module.h index dfe5c2e25ba1..d237d0574179 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -127,13 +127,13 @@ extern void cleanup_module(void); #define module_init(initfn) \ static inline initcall_t __maybe_unused __inittest(void) \ { return initfn; } \ - int init_module(void) __attribute__((alias(#initfn))); + int init_module(void) __copy(initfn) __attribute__((alias(#initfn))); /* This is only required if you want to be unloadable. */ #define module_exit(exitfn) \ static inline exitcall_t __maybe_unused __exittest(void) \ { return exitfn; } \ - void cleanup_module(void) __attribute__((alias(#exitfn))); + void cleanup_module(void) __copy(exitfn) __attribute__((alias(#exitfn))); #endif diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 0b211d482c96..d999e503ba8a 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1617,6 +1617,11 @@ struct net_device { unsigned char if_port; unsigned char dma; + /* Note : dev->mtu is often read without holding a lock. + * Writers usually hold RTNL. + * It is recommended to use READ_ONCE() to annotate the reads, + * and to use WRITE_ONCE() to annotate the writes. + */ unsigned int mtu; unsigned short type; unsigned short hard_header_len; @@ -3298,7 +3303,7 @@ static inline u32 netif_msg_init(int debug_value, int default_msg_enable_bits) if (debug_value == 0) /* no output */ return 0; /* set low N bits */ - return (1 << debug_value) - 1; + return (1U << debug_value) - 1; } static inline void __netif_tx_lock(struct netdev_queue *txq, int cpu) diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h index 0e1f433cc4b7..378c234ba3e4 100644 --- a/include/linux/netfilter/ipset/ip_set.h +++ b/include/linux/netfilter/ipset/ip_set.h @@ -530,13 +530,6 @@ ip6addrptr(const struct sk_buff *skb, bool src, struct in6_addr *addr) sizeof(*addr)); } -/* Calculate the bytes required to store the inclusive range of a-b */ -static inline int -bitmap_bytes(u32 a, u32 b) -{ - return 4 * ((((b - a + 8) / 8) + 3) / 4); -} - #include <linux/netfilter/ipset/ip_set_timeout.h> #include <linux/netfilter/ipset/ip_set_comment.h> diff --git a/include/linux/of.h b/include/linux/of.h index d9371c9cd88a..2772f027f88f 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -199,8 +199,8 @@ extern struct device_node *of_find_all_nodes(struct device_node *prev); static inline u64 of_read_number(const __be32 *cell, int size) { u64 r = 0; - while (size--) - r = (r << 32) | be32_to_cpu(*(cell++)); + for (; size--; cell++) + r = (r << 32) | be32_to_cpu(*cell); return r; } diff --git a/include/linux/platform_data/dma-ep93xx.h b/include/linux/platform_data/dma-ep93xx.h index e82c642fa53c..5913be0793a2 100644 --- a/include/linux/platform_data/dma-ep93xx.h +++ b/include/linux/platform_data/dma-ep93xx.h @@ -84,7 +84,7 @@ static inline enum dma_transfer_direction ep93xx_dma_chan_direction(struct dma_chan *chan) { if (!ep93xx_dma_chan_is_m2p(chan)) - return DMA_NONE; + return DMA_TRANS_NONE; /* even channels are for TX, odd for RX */ return (chan->chan_id % 2 == 0) ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM; diff --git a/include/linux/platform_data/dma-imx-sdma.h b/include/linux/platform_data/dma-imx-sdma.h index 2d08816720f6..5bb0a119f39a 100644 --- a/include/linux/platform_data/dma-imx-sdma.h +++ b/include/linux/platform_data/dma-imx-sdma.h @@ -50,7 +50,10 @@ struct sdma_script_start_addrs { /* End of v2 array */ s32 zcanfd_2_mcu_addr; s32 zqspi_2_mcu_addr; + s32 mcu_2_ecspi_addr; /* End of v3 array */ + s32 mcu_2_zqspi_addr; + /* End of v4 array */ }; /** diff --git a/include/linux/psci.h b/include/linux/psci.h index 12c4865457ad..f78438214a59 100644 --- a/include/linux/psci.h +++ b/include/linux/psci.h @@ -24,6 +24,17 @@ bool psci_tos_resident_on(int cpu); bool psci_power_state_loses_context(u32 state); bool psci_power_state_is_valid(u32 state); +enum psci_conduit { + PSCI_CONDUIT_NONE, + PSCI_CONDUIT_SMC, + PSCI_CONDUIT_HVC, +}; + +enum smccc_version { + SMCCC_VERSION_1_0, + SMCCC_VERSION_1_1, +}; + struct psci_operations { int (*cpu_suspend)(u32 state, unsigned long entry_point); int (*cpu_off)(u32 state); @@ -32,6 +43,8 @@ struct psci_operations { int (*affinity_info)(unsigned long target_affinity, unsigned long lowest_affinity_level); int (*migrate_info_type)(void); + enum psci_conduit conduit; + enum smccc_version smccc_version; }; extern struct psci_operations psci_ops; diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index 81fdf4b8aba4..8b1e2bd46bb7 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h @@ -57,14 +57,17 @@ extern void exit_ptrace(struct task_struct *tracer, struct list_head *dead); #define PTRACE_MODE_READ 0x01 #define PTRACE_MODE_ATTACH 0x02 #define PTRACE_MODE_NOAUDIT 0x04 -#define PTRACE_MODE_FSCREDS 0x08 -#define PTRACE_MODE_REALCREDS 0x10 +#define PTRACE_MODE_FSCREDS 0x08 +#define PTRACE_MODE_REALCREDS 0x10 +#define PTRACE_MODE_SCHED 0x20 +#define PTRACE_MODE_IBPB 0x40 /* shorthands for READ/ATTACH and FSCREDS/REALCREDS combinations */ #define PTRACE_MODE_READ_FSCREDS (PTRACE_MODE_READ | PTRACE_MODE_FSCREDS) #define PTRACE_MODE_READ_REALCREDS (PTRACE_MODE_READ | PTRACE_MODE_REALCREDS) #define PTRACE_MODE_ATTACH_FSCREDS (PTRACE_MODE_ATTACH | PTRACE_MODE_FSCREDS) #define PTRACE_MODE_ATTACH_REALCREDS (PTRACE_MODE_ATTACH | PTRACE_MODE_REALCREDS) +#define PTRACE_MODE_SPEC_IBPB (PTRACE_MODE_ATTACH_REALCREDS | PTRACE_MODE_IBPB) /** * ptrace_may_access - check whether the caller is permitted to access @@ -82,6 +85,20 @@ extern void exit_ptrace(struct task_struct *tracer, struct list_head *dead); */ extern bool ptrace_may_access(struct task_struct *task, unsigned int mode); +/** + * ptrace_may_access - check whether the caller is permitted to access + * a target task. + * @task: target task + * @mode: selects type of access and caller credentials + * + * Returns true on success, false on denial. + * + * Similar to ptrace_may_access(). Only to be called from context switch + * code. Does not call into audit and the regular LSM hooks due to locking + * constraints. + */ +extern bool ptrace_may_access_sched(struct task_struct *task, unsigned int mode); + static inline int ptrace_reparented(struct task_struct *child) { return !same_thread_group(child->real_parent, child->parent); diff --git a/include/linux/pwm.h b/include/linux/pwm.h index aa8736d5b2f3..cfc3ed46cad2 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -331,7 +331,6 @@ static inline void pwm_remove_table(struct pwm_lookup *table, size_t num) #ifdef CONFIG_PWM_SYSFS void pwmchip_sysfs_export(struct pwm_chip *chip); void pwmchip_sysfs_unexport(struct pwm_chip *chip); -void pwmchip_sysfs_unexport_children(struct pwm_chip *chip); #else static inline void pwmchip_sysfs_export(struct pwm_chip *chip) { @@ -340,10 +339,6 @@ static inline void pwmchip_sysfs_export(struct pwm_chip *chip) static inline void pwmchip_sysfs_unexport(struct pwm_chip *chip) { } - -static inline void pwmchip_sysfs_unexport_children(struct pwm_chip *chip) -{ -} #endif /* CONFIG_PWM_SYSFS */ #endif /* __LINUX_PWM_H */ diff --git a/include/linux/quota.h b/include/linux/quota.h index b2505acfd3c0..b34412df1542 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -253,7 +253,7 @@ enum { }; struct dqstats { - int stat[_DQST_DQSTAT_LAST]; + unsigned long stat[_DQST_DQSTAT_LAST]; struct percpu_counter counter[_DQST_DQSTAT_LAST]; }; diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index 7a57c28eb5e7..a946c4c1a77e 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -21,7 +21,7 @@ static inline struct quota_info *sb_dqopt(struct super_block *sb) /* i_mutex must being held */ static inline bool is_quota_modification(struct inode *inode, struct iattr *ia) { - return (ia->ia_valid & ATTR_SIZE && ia->ia_size != inode->i_size) || + return (ia->ia_valid & ATTR_SIZE) || (ia->ia_valid & ATTR_UID && !uid_eq(ia->ia_uid, inode->i_uid)) || (ia->ia_valid & ATTR_GID && !gid_eq(ia->ia_gid, inode->i_gid)); } @@ -54,6 +54,16 @@ static inline struct dquot *dqgrab(struct dquot *dquot) atomic_inc(&dquot->dq_count); return dquot; } + +static inline bool dquot_is_busy(struct dquot *dquot) +{ + if (test_bit(DQ_MOD_B, &dquot->dq_flags)) + return true; + if (atomic_read(&dquot->dq_count) > 1) + return true; + return false; +} + void dqput(struct dquot *dquot); int dquot_scan_active(struct super_block *sb, int (*fn)(struct dquot *dquot, unsigned long priv), diff --git a/include/linux/rculist.h b/include/linux/rculist.h index 5ed540986019..a579240c64e9 100644 --- a/include/linux/rculist.h +++ b/include/linux/rculist.h @@ -402,6 +402,42 @@ static inline void hlist_add_head_rcu(struct hlist_node *n, } /** + * hlist_add_tail_rcu + * @n: the element to add to the hash list. + * @h: the list to add to. + * + * Description: + * Adds the specified element to the specified hlist, + * while permitting racing traversals. + * + * The caller must take whatever precautions are necessary + * (such as holding appropriate locks) to avoid racing + * with another list-mutation primitive, such as hlist_add_head_rcu() + * or hlist_del_rcu(), running on this same list. + * However, it is perfectly legal to run concurrently with + * the _rcu list-traversal primitives, such as + * hlist_for_each_entry_rcu(), used to prevent memory-consistency + * problems on Alpha CPUs. Regardless of the type of CPU, the + * list-traversal primitive must be guarded by rcu_read_lock(). + */ +static inline void hlist_add_tail_rcu(struct hlist_node *n, + struct hlist_head *h) +{ + struct hlist_node *i, *last = NULL; + + for (i = hlist_first_rcu(h); i; i = hlist_next_rcu(i)) + last = i; + + if (last) { + n->next = last->next; + n->pprev = &last->next; + rcu_assign_pointer(hlist_next_rcu(last), n); + } else { + hlist_add_head_rcu(n, h); + } +} + +/** * hlist_add_before_rcu * @n: the new element to add to the hash list. * @next: the existing element to add the new element before. diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index a0189ba67fde..0a93e9d1708e 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -297,14 +297,12 @@ void synchronize_rcu(void); static inline void __rcu_read_lock(void) { - if (IS_ENABLED(CONFIG_PREEMPT_COUNT)) - preempt_disable(); + preempt_disable(); } static inline void __rcu_read_unlock(void) { - if (IS_ENABLED(CONFIG_PREEMPT_COUNT)) - preempt_enable(); + preempt_enable(); } static inline void synchronize_rcu(void) @@ -854,7 +852,7 @@ static inline void rcu_preempt_sleep_check(void) * read-side critical sections may be preempted and they may also block, but * only when acquiring spinlocks that are subject to priority inheritance. */ -static inline void rcu_read_lock(void) +static __always_inline void rcu_read_lock(void) { __rcu_read_lock(); __acquire(RCU); diff --git a/include/linux/regulator/ab8500.h b/include/linux/regulator/ab8500.h index d8ecefaf63ca..6b8ec40af2c4 100644 --- a/include/linux/regulator/ab8500.h +++ b/include/linux/regulator/ab8500.h @@ -44,8 +44,6 @@ enum ab8505_regulator_id { AB8505_LDO_ANAMIC2, AB8505_LDO_AUX8, AB8505_LDO_ANA, - AB8505_SYSCLKREQ_2, - AB8505_SYSCLKREQ_4, AB8505_NUM_REGULATORS, }; diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index 9e0e76992be0..bf62713af290 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -485,7 +485,7 @@ static inline unsigned int regulator_get_mode(struct regulator *regulator) static inline int regulator_set_load(struct regulator *regulator, int load_uA) { - return REGULATOR_MODE_NORMAL; + return 0; } static inline int regulator_allow_bypass(struct regulator *regulator, diff --git a/include/linux/reset-controller.h b/include/linux/reset-controller.h index ce6b962ffed4..842f70fcfc48 100644 --- a/include/linux/reset-controller.h +++ b/include/linux/reset-controller.h @@ -6,7 +6,7 @@ struct reset_controller_dev; /** - * struct reset_control_ops + * struct reset_control_ops - reset controller driver callbacks * * @reset: for self-deasserting resets, does all necessary * things to reset the device diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h index 19d0778ec382..121c8f99ecdd 100644 --- a/include/linux/ring_buffer.h +++ b/include/linux/ring_buffer.h @@ -125,7 +125,7 @@ ring_buffer_consume(struct ring_buffer *buffer, int cpu, u64 *ts, unsigned long *lost_events); struct ring_buffer_iter * -ring_buffer_read_prepare(struct ring_buffer *buffer, int cpu); +ring_buffer_read_prepare(struct ring_buffer *buffer, int cpu, gfp_t flags); void ring_buffer_read_prepare_sync(void); void ring_buffer_read_start(struct ring_buffer_iter *iter); void ring_buffer_read_finish(struct ring_buffer_iter *iter); diff --git a/include/linux/sched.h b/include/linux/sched.h index 48a59f731406..761247c966a5 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1389,6 +1389,13 @@ struct tlbflush_unmap_batch { }; struct task_struct { +#ifdef CONFIG_THREAD_INFO_IN_TASK + /* + * For reasons of header soup (see current_thread_info()), this + * must be the first element of task_struct. + */ + struct thread_info thread_info; +#endif volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped */ void *stack; atomic_t usage; @@ -1398,6 +1405,9 @@ struct task_struct { #ifdef CONFIG_SMP struct llist_node wake_entry; int on_cpu; +#ifdef CONFIG_THREAD_INFO_IN_TASK + unsigned int cpu; /* current CPU */ +#endif unsigned int wakee_flips; unsigned long wakee_flip_decay_ts; struct task_struct *last_wakee; @@ -1860,7 +1870,7 @@ extern int arch_task_struct_size __read_mostly; extern void task_numa_fault(int last_node, int node, int pages, int flags); extern pid_t task_numa_group_id(struct task_struct *p); extern void set_numabalancing_state(bool enabled); -extern void task_numa_free(struct task_struct *p); +extern void task_numa_free(struct task_struct *p, bool final); extern bool should_numa_migrate_memory(struct task_struct *p, struct page *page, int src_nid, int dst_cpu); #else @@ -1875,7 +1885,7 @@ static inline pid_t task_numa_group_id(struct task_struct *p) static inline void set_numabalancing_state(bool enabled) { } -static inline void task_numa_free(struct task_struct *p) +static inline void task_numa_free(struct task_struct *p, bool final) { } static inline bool should_numa_migrate_memory(struct task_struct *p, @@ -2169,6 +2179,8 @@ static inline void memalloc_noio_restore(unsigned int flags) #define PFA_SPREAD_SLAB 2 /* Spread some slab caches over cpuset */ #define PFA_SPEC_SSB_DISABLE 4 /* Speculative Store Bypass disabled */ #define PFA_SPEC_SSB_FORCE_DISABLE 5 /* Speculative Store Bypass force disabled*/ +#define PFA_SPEC_IB_DISABLE 6 /* Indirect branch speculation restricted */ +#define PFA_SPEC_IB_FORCE_DISABLE 7 /* Indirect branch speculation permanently restricted */ #define TASK_PFA_TEST(name, func) \ @@ -2199,6 +2211,13 @@ TASK_PFA_CLEAR(SPEC_SSB_DISABLE, spec_ssb_disable) TASK_PFA_TEST(SPEC_SSB_FORCE_DISABLE, spec_ssb_force_disable) TASK_PFA_SET(SPEC_SSB_FORCE_DISABLE, spec_ssb_force_disable) +TASK_PFA_TEST(SPEC_IB_DISABLE, spec_ib_disable) +TASK_PFA_SET(SPEC_IB_DISABLE, spec_ib_disable) +TASK_PFA_CLEAR(SPEC_IB_DISABLE, spec_ib_disable) + +TASK_PFA_TEST(SPEC_IB_FORCE_DISABLE, spec_ib_force_disable) +TASK_PFA_SET(SPEC_IB_FORCE_DISABLE, spec_ib_force_disable) + /* * task->jobctl flags */ @@ -2431,7 +2450,9 @@ extern void set_curr_task(int cpu, struct task_struct *p); void yield(void); union thread_union { +#ifndef CONFIG_THREAD_INFO_IN_TASK struct thread_info thread_info; +#endif unsigned long stack[THREAD_SIZE/sizeof(long)]; }; @@ -2605,12 +2626,17 @@ extern struct mm_struct * mm_alloc(void); /* mmdrop drops the mm and the page tables */ extern void __mmdrop(struct mm_struct *); -static inline void mmdrop(struct mm_struct * mm) +static inline void mmdrop(struct mm_struct *mm) { if (unlikely(atomic_dec_and_test(&mm->mm_count))) __mmdrop(mm); } +static inline bool mmget_not_zero(struct mm_struct *mm) +{ + return atomic_inc_not_zero(&mm->mm_users); +} + /* mmput gets rid of the mappings and all user-space */ extern void mmput(struct mm_struct *); /* Grab a reference to a task's mm, if it is not already going away */ @@ -2826,10 +2852,34 @@ static inline void threadgroup_change_end(struct task_struct *tsk) cgroup_threadgroup_change_end(tsk); } -#ifndef __HAVE_THREAD_FUNCTIONS +#ifdef CONFIG_THREAD_INFO_IN_TASK + +static inline struct thread_info *task_thread_info(struct task_struct *task) +{ + return &task->thread_info; +} + +/* + * When accessing the stack of a non-current task that might exit, use + * try_get_task_stack() instead. task_stack_page will return a pointer + * that could get freed out from under you. + */ +static inline void *task_stack_page(const struct task_struct *task) +{ + return task->stack; +} + +#define setup_thread_stack(new,old) do { } while(0) + +static inline unsigned long *end_of_stack(const struct task_struct *task) +{ + return task->stack; +} + +#elif !defined(__HAVE_THREAD_FUNCTIONS) #define task_thread_info(task) ((struct thread_info *)(task)->stack) -#define task_stack_page(task) ((task)->stack) +#define task_stack_page(task) ((void *)(task)->stack) static inline void setup_thread_stack(struct task_struct *p, struct task_struct *org) { @@ -2856,6 +2906,14 @@ static inline unsigned long *end_of_stack(struct task_struct *p) } #endif + +static inline void *try_get_task_stack(struct task_struct *tsk) +{ + return task_stack_page(tsk); +} + +static inline void put_task_stack(struct task_struct *tsk) {} + #define task_stack_end_corrupted(task) \ (*(end_of_stack(task)) != STACK_END_MAGIC) @@ -3121,7 +3179,11 @@ static inline void ptrace_signal_wake_up(struct task_struct *t, bool resume) static inline unsigned int task_cpu(const struct task_struct *p) { +#ifdef CONFIG_THREAD_INFO_IN_TASK + return p->cpu; +#else return task_thread_info(p)->cpu; +#endif } static inline int task_node(const struct task_struct *p) diff --git a/include/linux/sched/smt.h b/include/linux/sched/smt.h new file mode 100644 index 000000000000..559ac4590593 --- /dev/null +++ b/include/linux/sched/smt.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_SCHED_SMT_H +#define _LINUX_SCHED_SMT_H + +#include <linux/atomic.h> + +#ifdef CONFIG_SCHED_SMT +extern atomic_t sched_smt_present; + +static __always_inline bool sched_smt_active(void) +{ + return atomic_read(&sched_smt_present); +} +#else +static inline bool sched_smt_active(void) { return false; } +#endif + +void arch_smt_update(void); + +#endif diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 297d4fa1cfe5..b5b527efeea0 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -159,6 +159,7 @@ struct uart_port { struct console *cons; /* struct console, if any */ #if defined(CONFIG_SERIAL_CORE_CONSOLE) || defined(SUPPORT_SYSRQ) unsigned long sysrq; /* sysrq timeout */ + unsigned int sysrq_ch; /* char for sysrq */ #endif /* flags must be updated while holding port mutex */ @@ -440,8 +441,42 @@ uart_handle_sysrq_char(struct uart_port *port, unsigned int ch) } return 0; } +static inline int +uart_prepare_sysrq_char(struct uart_port *port, unsigned int ch) +{ + if (port->sysrq) { + if (ch && time_before(jiffies, port->sysrq)) { + port->sysrq_ch = ch; + port->sysrq = 0; + return 1; + } + port->sysrq = 0; + } + return 0; +} +static inline void +uart_unlock_and_check_sysrq(struct uart_port *port, unsigned long irqflags) +{ + int sysrq_ch; + + sysrq_ch = port->sysrq_ch; + port->sysrq_ch = 0; + + spin_unlock_irqrestore(&port->lock, irqflags); + + if (sysrq_ch) + handle_sysrq(sysrq_ch); +} #else -#define uart_handle_sysrq_char(port,ch) ({ (void)port; 0; }) +static inline int +uart_handle_sysrq_char(struct uart_port *port, unsigned int ch) { return 0; } +static inline int +uart_prepare_sysrq_char(struct uart_port *port, unsigned int ch) { return 0; } +static inline void +uart_unlock_and_check_sysrq(struct uart_port *port, unsigned long irqflags) +{ + spin_unlock_irqrestore(&port->lock, irqflags); +} #endif /* diff --git a/include/linux/signal.h b/include/linux/signal.h index bcc094cb697c..649cd9fc63ca 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -313,6 +313,9 @@ extern void signal_setup_done(int failed, struct ksignal *ksig, int stepping); extern void exit_signals(struct task_struct *tsk); extern void kernel_sigaction(int, __sighandler_t); +#define SIG_KTHREAD ((__force __sighandler_t)2) +#define SIG_KTHREAD_KERNEL ((__force __sighandler_t)3) + static inline void allow_signal(int sig) { /* @@ -320,7 +323,17 @@ static inline void allow_signal(int sig) * know it'll be handled, so that they don't get converted to * SIGKILL or just silently dropped. */ - kernel_sigaction(sig, (__force __sighandler_t)2); + kernel_sigaction(sig, SIG_KTHREAD); +} + +static inline void allow_kernel_signal(int sig) +{ + /* + * Kernel threads handle their own signals. Let the signal code + * know signals sent by the kernel will be handled, so that they + * don't get silently dropped. + */ + kernel_sigaction(sig, SIG_KTHREAD_KERNEL); } static inline void disallow_signal(int sig) diff --git a/include/linux/siphash.h b/include/linux/siphash.h new file mode 100644 index 000000000000..bf21591a9e5e --- /dev/null +++ b/include/linux/siphash.h @@ -0,0 +1,145 @@ +/* Copyright (C) 2016 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. + * + * This file is provided under a dual BSD/GPLv2 license. + * + * SipHash: a fast short-input PRF + * https://131002.net/siphash/ + * + * This implementation is specifically for SipHash2-4 for a secure PRF + * and HalfSipHash1-3/SipHash1-3 for an insecure PRF only suitable for + * hashtables. + */ + +#ifndef _LINUX_SIPHASH_H +#define _LINUX_SIPHASH_H + +#include <linux/types.h> +#include <linux/kernel.h> + +#define SIPHASH_ALIGNMENT __alignof__(u64) +typedef struct { + u64 key[2]; +} siphash_key_t; + +static inline bool siphash_key_is_zero(const siphash_key_t *key) +{ + return !(key->key[0] | key->key[1]); +} + +u64 __siphash_aligned(const void *data, size_t len, const siphash_key_t *key); +#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS +u64 __siphash_unaligned(const void *data, size_t len, const siphash_key_t *key); +#endif + +u64 siphash_1u64(const u64 a, const siphash_key_t *key); +u64 siphash_2u64(const u64 a, const u64 b, const siphash_key_t *key); +u64 siphash_3u64(const u64 a, const u64 b, const u64 c, + const siphash_key_t *key); +u64 siphash_4u64(const u64 a, const u64 b, const u64 c, const u64 d, + const siphash_key_t *key); +u64 siphash_1u32(const u32 a, const siphash_key_t *key); +u64 siphash_3u32(const u32 a, const u32 b, const u32 c, + const siphash_key_t *key); + +static inline u64 siphash_2u32(const u32 a, const u32 b, + const siphash_key_t *key) +{ + return siphash_1u64((u64)b << 32 | a, key); +} +static inline u64 siphash_4u32(const u32 a, const u32 b, const u32 c, + const u32 d, const siphash_key_t *key) +{ + return siphash_2u64((u64)b << 32 | a, (u64)d << 32 | c, key); +} + + +static inline u64 ___siphash_aligned(const __le64 *data, size_t len, + const siphash_key_t *key) +{ + if (__builtin_constant_p(len) && len == 4) + return siphash_1u32(le32_to_cpup((const __le32 *)data), key); + if (__builtin_constant_p(len) && len == 8) + return siphash_1u64(le64_to_cpu(data[0]), key); + if (__builtin_constant_p(len) && len == 16) + return siphash_2u64(le64_to_cpu(data[0]), le64_to_cpu(data[1]), + key); + if (__builtin_constant_p(len) && len == 24) + return siphash_3u64(le64_to_cpu(data[0]), le64_to_cpu(data[1]), + le64_to_cpu(data[2]), key); + if (__builtin_constant_p(len) && len == 32) + return siphash_4u64(le64_to_cpu(data[0]), le64_to_cpu(data[1]), + le64_to_cpu(data[2]), le64_to_cpu(data[3]), + key); + return __siphash_aligned(data, len, key); +} + +/** + * siphash - compute 64-bit siphash PRF value + * @data: buffer to hash + * @size: size of @data + * @key: the siphash key + */ +static inline u64 siphash(const void *data, size_t len, + const siphash_key_t *key) +{ +#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS + if (!IS_ALIGNED((unsigned long)data, SIPHASH_ALIGNMENT)) + return __siphash_unaligned(data, len, key); +#endif + return ___siphash_aligned(data, len, key); +} + +#define HSIPHASH_ALIGNMENT __alignof__(unsigned long) +typedef struct { + unsigned long key[2]; +} hsiphash_key_t; + +u32 __hsiphash_aligned(const void *data, size_t len, + const hsiphash_key_t *key); +#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS +u32 __hsiphash_unaligned(const void *data, size_t len, + const hsiphash_key_t *key); +#endif + +u32 hsiphash_1u32(const u32 a, const hsiphash_key_t *key); +u32 hsiphash_2u32(const u32 a, const u32 b, const hsiphash_key_t *key); +u32 hsiphash_3u32(const u32 a, const u32 b, const u32 c, + const hsiphash_key_t *key); +u32 hsiphash_4u32(const u32 a, const u32 b, const u32 c, const u32 d, + const hsiphash_key_t *key); + +static inline u32 ___hsiphash_aligned(const __le32 *data, size_t len, + const hsiphash_key_t *key) +{ + if (__builtin_constant_p(len) && len == 4) + return hsiphash_1u32(le32_to_cpu(data[0]), key); + if (__builtin_constant_p(len) && len == 8) + return hsiphash_2u32(le32_to_cpu(data[0]), le32_to_cpu(data[1]), + key); + if (__builtin_constant_p(len) && len == 12) + return hsiphash_3u32(le32_to_cpu(data[0]), le32_to_cpu(data[1]), + le32_to_cpu(data[2]), key); + if (__builtin_constant_p(len) && len == 16) + return hsiphash_4u32(le32_to_cpu(data[0]), le32_to_cpu(data[1]), + le32_to_cpu(data[2]), le32_to_cpu(data[3]), + key); + return __hsiphash_aligned(data, len, key); +} + +/** + * hsiphash - compute 32-bit hsiphash PRF value + * @data: buffer to hash + * @size: size of @data + * @key: the hsiphash key + */ +static inline u32 hsiphash(const void *data, size_t len, + const hsiphash_key_t *key) +{ +#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS + if (!IS_ALIGNED((unsigned long)data, HSIPHASH_ALIGNMENT)) + return __hsiphash_unaligned(data, len, key); +#endif + return ___hsiphash_aligned(data, len, key); +} + +#endif /* _LINUX_SIPHASH_H */ diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 502787c29ce9..735ff1525f48 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1073,7 +1073,8 @@ static inline __u32 skb_get_hash_flowi4(struct sk_buff *skb, const struct flowi4 return skb->hash; } -__u32 skb_get_hash_perturb(const struct sk_buff *skb, u32 perturb); +__u32 skb_get_hash_perturb(const struct sk_buff *skb, + const siphash_key_t *perturb); static inline __u32 skb_get_hash_raw(const struct sk_buff *skb) { @@ -3664,5 +3665,35 @@ static inline unsigned int skb_gso_network_seglen(const struct sk_buff *skb) return hdr_len + skb_gso_transport_seglen(skb); } +/** + * skb_gso_mac_seglen - Return length of individual segments of a gso packet + * + * @skb: GSO skb + * + * skb_gso_mac_seglen is used to determine the real size of the + * individual segments, including MAC/L2, Layer3 (IP, IPv6) and L4 + * headers (TCP/UDP). + */ +static inline unsigned int skb_gso_mac_seglen(const struct sk_buff *skb) +{ + unsigned int hdr_len = skb_transport_header(skb) - skb_mac_header(skb); + return hdr_len + skb_gso_transport_seglen(skb); +} + +/** + * skb_gso_validate_mac_len - Will a split GSO skb fit in a given length? + * + * @skb: GSO skb + * @len: length to validate against + * + * skb_gso_validate_mac_len validates if a given skb will fit a wanted + * length once split, including L2, L3 and L4 headers and the payload. + */ +static inline bool +skb_gso_validate_mac_len(const struct sk_buff *skb, unsigned int len) +{ + return skb_gso_mac_seglen(skb) <= len; +} + #endif /* __KERNEL__ */ #endif /* _LINUX_SKBUFF_H */ diff --git a/include/linux/smpboot.h b/include/linux/smpboot.h index 12910cf19869..12a4b09f4d08 100644 --- a/include/linux/smpboot.h +++ b/include/linux/smpboot.h @@ -30,7 +30,7 @@ struct smpboot_thread_data; * @thread_comm: The base name of the thread */ struct smp_hotplug_thread { - struct task_struct __percpu **store; + struct task_struct * __percpu *store; struct list_head list; int (*thread_should_run)(unsigned int cpu); void (*thread_fn)(unsigned int cpu); diff --git a/include/linux/string.h b/include/linux/string.h index c026b7a19e26..870268d42ae7 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -110,6 +110,9 @@ extern void * memscan(void *,int,__kernel_size_t); #ifndef __HAVE_ARCH_MEMCMP extern int memcmp(const void *,const void *,__kernel_size_t); #endif +#ifndef __HAVE_ARCH_BCMP +extern int bcmp(const void *,const void *,__kernel_size_t); +#endif #ifndef __HAVE_ARCH_MEMCHR extern void * memchr(const void *,int,__kernel_size_t); #endif diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h index d703f0ef37d8..7d347e8cf944 100644 --- a/include/linux/sunrpc/sched.h +++ b/include/linux/sunrpc/sched.h @@ -181,7 +181,6 @@ struct rpc_timer { struct rpc_wait_queue { spinlock_t lock; struct list_head tasks[RPC_NR_PRIORITY]; /* task queue for each priority level */ - pid_t owner; /* process id of last task serviced */ unsigned char maxpriority; /* maximum priority (0 if queue is not a priority queue) */ unsigned char priority; /* current priority */ unsigned char nr; /* # tasks remaining for cookie */ @@ -197,7 +196,6 @@ struct rpc_wait_queue { * from a single cookie. The aim is to improve * performance of NFS operations such as read/write. */ -#define RPC_BATCH_COUNT 16 #define RPC_IS_PRIORITY(q) ((q)->maxpriority > 0) /* diff --git a/include/linux/swap.h b/include/linux/swap.h index d8ca2eaa3a8b..0a0b7529dae4 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -135,9 +135,9 @@ struct swap_extent { /* * Max bad pages in the new format.. */ -#define __swapoffset(x) ((unsigned long)&((union swap_header *)0)->x) #define MAX_SWAP_BADPAGES \ - ((__swapoffset(magic.magic) - __swapoffset(info.badpages)) / sizeof(int)) + ((offsetof(union swap_header, magic.magic) - \ + offsetof(union swap_header, info.badpages)) / sizeof(int)) enum { SWP_USED = (1 << 0), /* is slot in swap_info[] used? */ diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index e7a018eaf3a2..017fced60242 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -1,10 +1,13 @@ #ifndef __LINUX_SWIOTLB_H #define __LINUX_SWIOTLB_H +#include <linux/dma-direction.h> +#include <linux/init.h> #include <linux/types.h> struct device; struct dma_attrs; +struct page; struct scatterlist; extern int swiotlb_force; diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 747404dbe506..085da1707cea 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -419,4 +419,7 @@ static inline void tcp_saved_syn_free(struct tcp_sock *tp) tp->saved_syn = NULL; } +int tcp_skb_shift(struct sk_buff *to, struct sk_buff *from, int pcount, + int shiftlen); + #endif /* _LINUX_TCP_H */ diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h index 646891f3bc1e..897e835379d8 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -13,6 +13,10 @@ struct timespec; struct compat_timespec; +#ifdef CONFIG_THREAD_INFO_IN_TASK +#define current_thread_info() ((struct thread_info *)current) +#endif + /* * System call restart block. */ diff --git a/include/linux/time.h b/include/linux/time.h index 297f09f23896..62cc50700004 100644 --- a/include/linux/time.h +++ b/include/linux/time.h @@ -262,4 +262,16 @@ static __always_inline void timespec_add_ns(struct timespec *a, u64 ns) a->tv_nsec = ns; } +/** + * time_between32 - check if a 32-bit timestamp is within a given time range + * @t: the time which may be within [l,h] + * @l: the lower bound of the range + * @h: the higher bound of the range + * + * time_before32(t, l, h) returns true if @l <= @t <= @h. All operands are + * treated as 32-bit integers. + * + * Equivalent to !(time_before32(@t, @l) || time_after32(@t, @h)). + */ +#define time_between32(t, l, h) ((u32)(h) - (u32)(l) >= (u32)(t) - (u32)(l)) #endif diff --git a/include/linux/usb.h b/include/linux/usb.h index 5c03ebc6dfa0..02bffcc611c3 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -127,7 +127,6 @@ enum usb_interface_condition { * @dev: driver model's view of this device * @usb_dev: if an interface is bound to the USB major, this will point * to the sysfs representation for that device. - * @pm_usage_cnt: PM usage counter for this interface * @reset_ws: Used for scheduling resets from atomic context. * @resetting_device: USB core reset the device, so use alt setting 0 as * current; needs bandwidth alloc after reset. @@ -184,7 +183,6 @@ struct usb_interface { struct device dev; /* interface specific device info */ struct device *usb_dev; - atomic_t pm_usage_cnt; /* usage counter for autosuspend */ struct work_struct reset_ws; /* for resets in atomic context */ }; #define to_usb_interface(d) container_of(d, struct usb_interface, dev) diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 7e84aac39ade..abf9887322a1 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -270,6 +270,16 @@ static inline int usb_ep_enable(struct usb_ep *ep) if (ep->enabled) return 0; + /* UDC drivers can't handle endpoints with maxpacket size 0 */ + if (usb_endpoint_maxp(ep->desc) == 0) { + /* + * We should log an error message here, but we can't call + * dev_err() because there's no way to find the gadget + * given only ep. + */ + return -EINVAL; + } + ret = ep->ops->enable(ep, ep->desc); if (ret) return ret; @@ -671,7 +681,9 @@ static inline struct usb_gadget *dev_to_usb_gadget(struct device *dev) */ static inline size_t usb_ep_align(struct usb_ep *ep, size_t len) { - return round_up(len, (size_t)le16_to_cpu(ep->desc->wMaxPacketSize)); + int max_packet_size = (size_t)usb_endpoint_maxp(ep->desc) & 0x7ff; + + return round_up(len, max_packet_size); } /** diff --git a/include/linux/usb/irda.h b/include/linux/usb/irda.h index e345ceaf72d6..9dc46010a067 100644 --- a/include/linux/usb/irda.h +++ b/include/linux/usb/irda.h @@ -118,11 +118,22 @@ struct usb_irda_cs_descriptor { * 6 - 115200 bps * 7 - 576000 bps * 8 - 1.152 Mbps - * 9 - 5 mbps + * 9 - 4 Mbps * 10..15 - Reserved */ #define USB_IRDA_STATUS_LINK_SPEED 0x0f +#define USB_IRDA_LS_NO_CHANGE 0 +#define USB_IRDA_LS_2400 1 +#define USB_IRDA_LS_9600 2 +#define USB_IRDA_LS_19200 3 +#define USB_IRDA_LS_38400 4 +#define USB_IRDA_LS_57600 5 +#define USB_IRDA_LS_115200 6 +#define USB_IRDA_LS_576000 7 +#define USB_IRDA_LS_1152000 8 +#define USB_IRDA_LS_4000000 9 + /* The following is a 4-bit value used only for * outbound header: * diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index 3e5d9075960f..73fae8c4a5fb 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -189,6 +189,7 @@ extern void __inc_zone_state(struct zone *, enum zone_stat_item); extern void dec_zone_state(struct zone *, enum zone_stat_item); extern void __dec_zone_state(struct zone *, enum zone_stat_item); +void quiet_vmstat(void); void cpu_vm_stats_fold(int cpu); void refresh_zone_stat_thresholds(void); @@ -249,6 +250,7 @@ static inline void __dec_zone_page_state(struct page *page, static inline void refresh_zone_stat_thresholds(void) { } static inline void cpu_vm_stats_fold(int cpu) { } +static inline void quiet_vmstat(void) { } static inline void drain_zonestat(struct zone *zone, struct per_cpu_pageset *pset) { } diff --git a/include/linux/vmw_vmci_defs.h b/include/linux/vmw_vmci_defs.h index 65ac54c61c18..7023432013e8 100644 --- a/include/linux/vmw_vmci_defs.h +++ b/include/linux/vmw_vmci_defs.h @@ -75,9 +75,18 @@ enum { /* * A single VMCI device has an upper limit of 128MB on the amount of - * memory that can be used for queue pairs. + * memory that can be used for queue pairs. Since each queue pair + * consists of at least two pages, the memory limit also dictates the + * number of queue pairs a guest can create. */ #define VMCI_MAX_GUEST_QP_MEMORY (128 * 1024 * 1024) +#define VMCI_MAX_GUEST_QP_COUNT (VMCI_MAX_GUEST_QP_MEMORY / PAGE_SIZE / 2) + +/* + * There can be at most PAGE_SIZE doorbells since there is one doorbell + * per byte in the doorbell bitmap page. + */ +#define VMCI_MAX_GUEST_DOORBELL_COUNT PAGE_SIZE /* * Queues with pre-mapped data pages must be small, so that we don't pin diff --git a/include/math-emu/soft-fp.h b/include/math-emu/soft-fp.h index 3f284bc03180..5650c1628383 100644 --- a/include/math-emu/soft-fp.h +++ b/include/math-emu/soft-fp.h @@ -138,7 +138,7 @@ do { \ _FP_FRAC_ADDI_##wc(X, _FP_WORK_ROUND); \ } while (0) -#define _FP_ROUND_ZERO(wc, X) 0 +#define _FP_ROUND_ZERO(wc, X) (void)0 #define _FP_ROUND_PINF(wc, X) \ do { \ diff --git a/include/media/davinci/vpbe.h b/include/media/davinci/vpbe.h index 4376beeb28c2..5d8ceeddc797 100644 --- a/include/media/davinci/vpbe.h +++ b/include/media/davinci/vpbe.h @@ -96,7 +96,7 @@ struct vpbe_config { struct encoder_config_info *ext_encoders; /* amplifier information goes here */ struct amp_config_info *amp; - int num_outputs; + unsigned int num_outputs; /* Order is venc outputs followed by LCD and then external encoders */ struct vpbe_output *outputs; }; diff --git a/include/net/addrconf.h b/include/net/addrconf.h index 18dd7a3caf2f..af032e5405f6 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -162,6 +162,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr); int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr); +void __ipv6_sock_mc_close(struct sock *sk); void ipv6_sock_mc_close(struct sock *sk); bool inet6_mc_check(struct sock *sk, const struct in6_addr *mc_addr, const struct in6_addr *src_addr); diff --git a/include/net/arp.h b/include/net/arp.h index 1b3f86981757..92d2f7d7d1cb 100644 --- a/include/net/arp.h +++ b/include/net/arp.h @@ -17,6 +17,7 @@ static inline u32 arp_hashfn(const void *pkey, const struct net_device *dev, u32 return val * hash_rnd[0]; } +#ifdef CONFIG_INET static inline struct neighbour *__ipv4_neigh_lookup_noref(struct net_device *dev, u32 key) { if (dev->flags & (IFF_LOOPBACK | IFF_POINTOPOINT)) @@ -24,6 +25,13 @@ static inline struct neighbour *__ipv4_neigh_lookup_noref(struct net_device *dev return ___neigh_lookup_noref(&arp_tbl, neigh_key_eq32, arp_hashfn, &key, dev); } +#else +static inline +struct neighbour *__ipv4_neigh_lookup_noref(struct net_device *dev, u32 key) +{ + return NULL; +} +#endif static inline struct neighbour *__ipv4_neigh_lookup(struct net_device *dev, u32 key) { diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 876688b5a356..7c0c83dfe86e 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -174,6 +174,9 @@ struct adv_info { #define HCI_MAX_SHORT_NAME_LENGTH 10 +/* Min encryption key size to match with SMP */ +#define HCI_MIN_ENC_KEY_SIZE 7 + /* Default LE RPA expiry time, 15 minutes */ #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h index 1d67fb6b23a0..6d238506d49b 100644 --- a/include/net/busy_poll.h +++ b/include/net/busy_poll.h @@ -93,7 +93,7 @@ static inline bool sk_busy_loop(struct sock *sk, int nonblock) goto out; ops = napi->dev->netdev_ops; - if (!ops->ndo_busy_poll) + if (!ops || !ops->ndo_busy_poll) goto out; do { diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index c05748cc1b20..3fe53101b72a 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -3856,6 +3856,17 @@ const u8 *cfg80211_find_vendor_ie(unsigned int oui, u8 oui_type, const u8 *ies, int len); /** + * cfg80211_send_layer2_update - send layer 2 update frame + * + * @dev: network device + * @addr: STA MAC address + * + * Wireless drivers can use this function to update forwarding tables in bridge + * devices upon STA association. + */ +void cfg80211_send_layer2_update(struct net_device *dev, const u8 *addr); + +/** * DOC: Regulatory enforcement infrastructure * * TODO diff --git a/include/net/dst.h b/include/net/dst.h index e4f450617919..2e6e3a14a21a 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -113,7 +113,7 @@ struct dst_entry { struct dst_metrics { u32 metrics[RTAX_MAX]; atomic_t refcnt; -}; +} __aligned(4); /* Low pointer bits contain DST_METRICS_FLAGS */ extern const struct dst_metrics dst_default_metrics; u32 *dst_cow_metrics_generic(struct dst_entry *dst, unsigned long old); diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h index 8c8548cf5888..62a462413081 100644 --- a/include/net/flow_dissector.h +++ b/include/net/flow_dissector.h @@ -3,6 +3,7 @@ #include <linux/types.h> #include <linux/in6.h> +#include <linux/siphash.h> #include <uapi/linux/if_ether.h> /** @@ -146,7 +147,7 @@ struct flow_dissector { struct flow_keys { struct flow_dissector_key_control control; #define FLOW_KEYS_HASH_START_FIELD basic - struct flow_dissector_key_basic basic; + struct flow_dissector_key_basic basic __aligned(SIPHASH_ALIGNMENT); struct flow_dissector_key_tags tags; struct flow_dissector_key_keyid keyid; struct flow_dissector_key_ports ports; diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index 49dcad4fe99e..72599bbc8255 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -289,11 +289,6 @@ static inline int inet_csk_reqsk_queue_len(const struct sock *sk) return reqsk_queue_len(&inet_csk(sk)->icsk_accept_queue); } -static inline int inet_csk_reqsk_queue_young(const struct sock *sk) -{ - return reqsk_queue_len_young(&inet_csk(sk)->icsk_accept_queue); -} - static inline int inet_csk_reqsk_queue_is_full(const struct sock *sk) { return inet_csk_reqsk_queue_len(sk) >= sk->sk_max_ack_backlog; diff --git a/include/net/ip.h b/include/net/ip.h index e2320f9e4d3e..6067b7a10ccd 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -596,4 +596,9 @@ extern int sysctl_icmp_msgs_burst; int ip_misc_proc_init(void); #endif +static inline bool inetdev_valid_mtu(unsigned int mtu) +{ + return likely(mtu >= IPV4_MIN_MTU); +} + #endif /* _IP_H */ diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h index a6cc576fd467..b0156f8a9ab7 100644 --- a/include/net/ip_vs.h +++ b/include/net/ip_vs.h @@ -880,6 +880,7 @@ struct netns_ipvs { struct delayed_work defense_work; /* Work handler */ int drop_rate; int drop_counter; + int old_secure_tcp; atomic_t dropentry; /* locks in ctl.c */ spinlock_t dropentry_lock; /* drop entry handling */ diff --git a/include/net/llc.h b/include/net/llc.h index 82d989995d18..95e5ced4c133 100644 --- a/include/net/llc.h +++ b/include/net/llc.h @@ -66,6 +66,7 @@ struct llc_sap { int sk_count; struct hlist_nulls_head sk_laddr_hash[LLC_SK_LADDR_HASH_ENTRIES]; struct hlist_head sk_dev_hash[LLC_SK_DEV_HASH_ENTRIES]; + struct rcu_head rcu; }; static inline diff --git a/include/net/llc_conn.h b/include/net/llc_conn.h index df528a623548..ea985aa7a6c5 100644 --- a/include/net/llc_conn.h +++ b/include/net/llc_conn.h @@ -104,7 +104,7 @@ void llc_sk_reset(struct sock *sk); /* Access to a connection */ int llc_conn_state_process(struct sock *sk, struct sk_buff *skb); -int llc_conn_send_pdu(struct sock *sk, struct sk_buff *skb); +void llc_conn_send_pdu(struct sock *sk, struct sk_buff *skb); void llc_conn_rtn_pdu(struct sock *sk, struct sk_buff *skb); void llc_conn_resend_i_pdu_as_cmd(struct sock *sk, u8 nr, u8 first_p_bit); void llc_conn_resend_i_pdu_as_rsp(struct sock *sk, u8 nr, u8 first_f_bit); diff --git a/include/net/neighbour.h b/include/net/neighbour.h index f6017ddc4ded..a68a460fa4f3 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -425,8 +425,8 @@ static inline int neigh_event_send(struct neighbour *neigh, struct sk_buff *skb) { unsigned long now = jiffies; - if (neigh->used != now) - neigh->used = now; + if (READ_ONCE(neigh->used) != now) + WRITE_ONCE(neigh->used, now); if (!(neigh->nud_state&(NUD_CONNECTED|NUD_DELAY|NUD_PROBE))) return __neigh_event_send(neigh, skb); return 0; @@ -454,7 +454,7 @@ static inline int neigh_hh_output(const struct hh_cache *hh, struct sk_buff *skb do { seq = read_seqbegin(&hh->hh_lock); - hh_len = hh->hh_len; + hh_len = READ_ONCE(hh->hh_len); if (likely(hh_len <= HH_DATA_MOD)) { hh_alen = HH_DATA_MOD; diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index 6965dfe7e88b..0daed810724d 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -53,6 +53,7 @@ struct net { */ spinlock_t rules_mod_lock; + u32 hash_mix; atomic64_t cookie_gen; struct list_head list; /* list of network namespaces */ diff --git a/include/net/netfilter/br_netfilter.h b/include/net/netfilter/br_netfilter.h index e8d1448425a7..b1d0d46344e2 100644 --- a/include/net/netfilter/br_netfilter.h +++ b/include/net/netfilter/br_netfilter.h @@ -42,7 +42,6 @@ static inline struct rtable *bridge_parent_rtable(const struct net_device *dev) } struct net_device *setup_pre_routing(struct sk_buff *skb); -void br_netfilter_enable(void); #if IS_ENABLED(CONFIG_IPV6) int br_validate_ipv6(struct net *net, struct sk_buff *skb); diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index fde4068eec0b..636e9e11bd5f 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h @@ -297,6 +297,8 @@ struct nf_conn *nf_ct_tmpl_alloc(struct net *net, gfp_t flags); void nf_ct_tmpl_free(struct nf_conn *tmpl); +u32 nf_ct_get_id(const struct nf_conn *ct); + #define NF_CT_STAT_INC(net, count) __this_cpu_inc((net)->ct.stat->count) #define NF_CT_STAT_INC_ATOMIC(net, count) this_cpu_inc((net)->ct.stat->count) diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 4bd7508bedc9..b96df7499600 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -648,7 +648,8 @@ struct nft_expr_ops { */ struct nft_expr { const struct nft_expr_ops *ops; - unsigned char data[]; + unsigned char data[] + __attribute__((aligned(__alignof__(u64)))); }; static inline void *nft_expr_priv(const struct nft_expr *expr) diff --git a/include/net/netns/hash.h b/include/net/netns/hash.h index 69a6715d9f3f..a347b2f9e748 100644 --- a/include/net/netns/hash.h +++ b/include/net/netns/hash.h @@ -1,21 +1,10 @@ #ifndef __NET_NS_HASH_H__ #define __NET_NS_HASH_H__ -#include <asm/cache.h> - -struct net; +#include <net/net_namespace.h> static inline u32 net_hash_mix(const struct net *net) { -#ifdef CONFIG_NET_NS - /* - * shift this right to eliminate bits, that are - * always zeroed - */ - - return (u32)(((unsigned long)net) >> L1_CACHE_SHIFT); -#else - return 0; -#endif + return net->hash_mix; } #endif diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index c68926b4899c..e6f49f22e006 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -8,6 +8,7 @@ #include <linux/uidgid.h> #include <net/inet_frag.h> #include <linux/rcupdate.h> +#include <linux/siphash.h> struct tcpm_hash_bucket; struct ctl_table_header; @@ -88,6 +89,7 @@ struct netns_ipv4 { int sysctl_tcp_fwmark_accept; int sysctl_tcp_mtu_probing; int sysctl_tcp_base_mss; + int sysctl_tcp_min_snd_mss; int sysctl_tcp_probe_threshold; u32 sysctl_tcp_probe_interval; @@ -108,5 +110,6 @@ struct netns_ipv4 { #endif #endif atomic_t rt_genid; + siphash_key_t ip_id_key; }; #endif diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 7a5d6a073165..ccd2a964dad7 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -289,6 +289,11 @@ static inline struct Qdisc *qdisc_root(const struct Qdisc *qdisc) return q; } +static inline struct Qdisc *qdisc_root_bh(const struct Qdisc *qdisc) +{ + return rcu_dereference_bh(qdisc->dev_queue->qdisc); +} + static inline struct Qdisc *qdisc_root_sleeping(const struct Qdisc *qdisc) { return qdisc->dev_queue->qdisc_sleeping; diff --git a/include/net/sctp/checksum.h b/include/net/sctp/checksum.h index 4a5b9a306c69..803fc26ef0ba 100644 --- a/include/net/sctp/checksum.h +++ b/include/net/sctp/checksum.h @@ -60,7 +60,7 @@ static inline __wsum sctp_csum_combine(__wsum csum, __wsum csum2, static inline __le32 sctp_compute_cksum(const struct sk_buff *skb, unsigned int offset) { - struct sctphdr *sh = sctp_hdr(skb); + struct sctphdr *sh = (struct sctphdr *)(skb->data + offset); __le32 ret, old = sh->checksum; const struct skb_checksum_ops ops = { .update = sctp_csum_update, diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index d33b17ba51d2..8a71f4d42c62 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -98,6 +98,8 @@ void sctp_addr_wq_mgmt(struct net *, struct sctp_sockaddr_entry *, int); /* * sctp/socket.c */ +int sctp_inet_connect(struct socket *sock, struct sockaddr *uaddr, + int addr_len, int flags); int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb); int sctp_inet_listen(struct socket *sock, int backlog); void sctp_write_space(struct sock *sk); diff --git a/include/net/sock.h b/include/net/sock.h index 7420299c31f5..de4434284a34 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -651,6 +651,12 @@ static inline void sk_add_node_rcu(struct sock *sk, struct hlist_head *list) hlist_add_head_rcu(&sk->sk_node, list); } +static inline void sk_add_node_tail_rcu(struct sock *sk, struct hlist_head *list) +{ + sock_hold(sk); + hlist_add_tail_rcu(&sk->sk_node, list); +} + static inline void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list) { hlist_nulls_add_head_rcu(&sk->sk_nulls_node, list); @@ -1276,7 +1282,7 @@ static inline void sk_sockets_allocated_inc(struct sock *sk) percpu_counter_inc(prot->sockets_allocated); } -static inline int +static inline u64 sk_sockets_allocated_read_positive(struct sock *sk) { struct proto *prot = sk->sk_prot; @@ -2071,12 +2077,17 @@ struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp, * sk_page_frag - return an appropriate page_frag * @sk: socket * - * If socket allocation mode allows current thread to sleep, it means its - * safe to use the per task page_frag instead of the per socket one. + * Use the per task page_frag instead of the per socket one for + * optimization when we know that we're in the normal context and owns + * everything that's associated with %current. + * + * gfpflags_allow_blocking() isn't enough here as direct reclaim may nest + * inside other socket operations and end up recursing into sk_page_frag() + * while it's already in use. */ static inline struct page_frag *sk_page_frag(struct sock *sk) { - if (gfpflags_allow_blocking(sk->sk_allocation)) + if (gfpflags_normal_context(sk->sk_allocation)) return ¤t->task_frag; return &sk->sk_frag; @@ -2163,7 +2174,7 @@ static inline ktime_t sock_read_timestamp(struct sock *sk) return kt; #else - return sk->sk_stamp; + return READ_ONCE(sk->sk_stamp); #endif } @@ -2174,7 +2185,7 @@ static inline void sock_write_timestamp(struct sock *sk, ktime_t kt) sk->sk_stamp = kt; write_sequnlock(&sk->sk_stamp_seq); #else - sk->sk_stamp = kt; + WRITE_ONCE(sk->sk_stamp, kt); #endif } diff --git a/include/net/tcp.h b/include/net/tcp.h index 14ec97309581..3bdd6ef95717 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -54,6 +54,8 @@ void tcp_time_wait(struct sock *sk, int state, int timeo); #define MAX_TCP_HEADER (128 + MAX_HEADER) #define MAX_TCP_OPTION_SPACE 40 +#define TCP_MIN_SND_MSS 48 +#define TCP_MIN_GSO_SIZE (TCP_MIN_SND_MSS - MAX_TCP_OPTION_SPACE) /* * Never offer a window over 32767 without using window scaling. Some @@ -500,19 +502,27 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb); */ static inline void tcp_synq_overflow(const struct sock *sk) { - unsigned long last_overflow = tcp_sk(sk)->rx_opt.ts_recent_stamp; + unsigned long last_overflow = READ_ONCE(tcp_sk(sk)->rx_opt.ts_recent_stamp); unsigned long now = jiffies; - if (time_after(now, last_overflow + HZ)) - tcp_sk(sk)->rx_opt.ts_recent_stamp = now; + if (!time_between32(now, last_overflow, last_overflow + HZ)) + WRITE_ONCE(tcp_sk(sk)->rx_opt.ts_recent_stamp, now); } /* syncookies: no recent synqueue overflow on this listening socket? */ static inline bool tcp_synq_no_recent_overflow(const struct sock *sk) { - unsigned long last_overflow = tcp_sk(sk)->rx_opt.ts_recent_stamp; + unsigned long last_overflow = READ_ONCE(tcp_sk(sk)->rx_opt.ts_recent_stamp); - return time_after(jiffies, last_overflow + TCP_SYNCOOKIE_VALID); + /* If last_overflow <= jiffies <= last_overflow + TCP_SYNCOOKIE_VALID, + * then we're under synflood. However, we have to use + * 'last_overflow - HZ' as lower bound. That's because a concurrent + * tcp_synq_overflow() could update .ts_recent_stamp after we read + * jiffies but before we store .ts_recent_stamp into last_overflow, + * which could lead to rejecting a valid syncookie. + */ + return !time_between32(jiffies, last_overflow - HZ, + last_overflow + TCP_SYNCOOKIE_VALID); } static inline u32 tcp_cookie_time(void) @@ -1441,6 +1451,11 @@ struct sock *tcp_try_fastopen(struct sock *sk, struct sk_buff *skb, void tcp_fastopen_init_key_once(bool publish); #define TCP_FASTOPEN_KEY_LENGTH 16 +static inline void tcp_init_send_head(struct sock *sk) +{ + sk->sk_send_head = NULL; +} + /* Fastopen key context */ struct tcp_fastopen_context { struct crypto_cipher *tfm; @@ -1457,6 +1472,7 @@ static inline void tcp_write_queue_purge(struct sock *sk) sk_wmem_free_skb(sk, skb); sk_mem_reclaim(sk); tcp_clear_all_retrans_hints(tcp_sk(sk)); + tcp_init_send_head(sk); inet_csk(sk)->icsk_backoff = 0; } @@ -1518,9 +1534,25 @@ static inline void tcp_check_send_head(struct sock *sk, struct sk_buff *skb_unli tcp_sk(sk)->highest_sack = NULL; } -static inline void tcp_init_send_head(struct sock *sk) +static inline struct sk_buff *tcp_rtx_queue_head(const struct sock *sk) { - sk->sk_send_head = NULL; + struct sk_buff *skb = tcp_write_queue_head(sk); + + if (skb == tcp_send_head(sk)) + skb = NULL; + + return skb; +} + +static inline struct sk_buff *tcp_rtx_queue_tail(const struct sock *sk) +{ + struct sk_buff *skb = tcp_send_head(sk); + + /* empty retransmit queue, for example due to zero window */ + if (skb == tcp_write_queue_head(sk)) + return NULL; + + return skb ? tcp_write_queue_prev(sk, skb) : tcp_write_queue_tail(sk); } static inline void __tcp_add_write_queue_tail(struct sock *sk, struct sk_buff *skb) diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 185fb037b332..631614856afc 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -1301,6 +1301,23 @@ static inline int xfrm_state_kern(const struct xfrm_state *x) return atomic_read(&x->tunnel_users); } +static inline bool xfrm_id_proto_valid(u8 proto) +{ + switch (proto) { + case IPPROTO_AH: + case IPPROTO_ESP: + case IPPROTO_COMP: +#if IS_ENABLED(CONFIG_IPV6) + case IPPROTO_ROUTING: + case IPPROTO_DSTOPTS: +#endif + return true; + default: + return false; + } +} + +/* IPSEC_PROTO_ANY only matches 3 IPsec protocols, 0 could match all. */ static inline int xfrm_id_proto_match(u8 proto, u8 userproto) { return (!userproto || proto == userproto || diff --git a/include/scsi/iscsi_proto.h b/include/scsi/iscsi_proto.h index c1260d80ef30..1a2ae0862e23 100644 --- a/include/scsi/iscsi_proto.h +++ b/include/scsi/iscsi_proto.h @@ -638,6 +638,7 @@ struct iscsi_reject { #define ISCSI_REASON_BOOKMARK_INVALID 9 #define ISCSI_REASON_BOOKMARK_NO_RESOURCES 10 #define ISCSI_REASON_NEGOTIATION_RESET 11 +#define ISCSI_REASON_WAITING_FOR_LOGOUT 12 /* Max. number of Key=Value pairs in a text message */ #define MAX_KEY_VALUE_PAIRS 8192 diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h index de7e3ee60f0c..e59180264591 100644 --- a/include/scsi/libfcoe.h +++ b/include/scsi/libfcoe.h @@ -236,6 +236,7 @@ struct fcoe_fcf { * @vn_mac: VN_Node assigned MAC address for data */ struct fcoe_rport { + struct fc_rport_priv rdata; unsigned long time; u16 fcoe_len; u16 flags; diff --git a/include/scsi/scsi_dbg.h b/include/scsi/scsi_dbg.h index f8170e90b49d..bbe71a6361db 100644 --- a/include/scsi/scsi_dbg.h +++ b/include/scsi/scsi_dbg.h @@ -5,8 +5,6 @@ struct scsi_cmnd; struct scsi_device; struct scsi_sense_hdr; -#define SCSI_LOG_BUFSIZE 128 - extern void scsi_print_command(struct scsi_cmnd *); extern size_t __scsi_format_command(char *, size_t, const unsigned char *, size_t); diff --git a/include/sound/compress_driver.h b/include/sound/compress_driver.h index 85ff3181e6f1..a5c6e6da3d3d 100644 --- a/include/sound/compress_driver.h +++ b/include/sound/compress_driver.h @@ -178,10 +178,7 @@ static inline void snd_compr_drain_notify(struct snd_compr_stream *stream) if (snd_BUG_ON(!stream)) return; - if (stream->direction == SND_COMPRESS_PLAYBACK) - stream->runtime->state = SNDRV_PCM_STATE_SETUP; - else - stream->runtime->state = SNDRV_PCM_STATE_PREPARED; + stream->runtime->state = SNDRV_PCM_STATE_SETUP; wake_up(&stream->runtime->sleep); } diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index 95a937eafb79..2fc28324351d 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -335,6 +335,8 @@ struct device; #define SND_SOC_DAPM_WILL_PMD 0x80 /* called at start of sequence */ #define SND_SOC_DAPM_PRE_POST_PMD \ (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD) +#define SND_SOC_DAPM_PRE_POST_PMU \ + (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU) /* convenience event type detection */ #define SND_SOC_DAPM_EVENT_ON(e) \ diff --git a/include/trace/events/xen.h b/include/trace/events/xen.h index d6be935caa50..ecd1a0f7bd3e 100644 --- a/include/trace/events/xen.h +++ b/include/trace/events/xen.h @@ -63,7 +63,11 @@ TRACE_EVENT(xen_mc_callback, TP_PROTO(xen_mc_callback_fn_t fn, void *data), TP_ARGS(fn, data), TP_STRUCT__entry( - __field(xen_mc_callback_fn_t, fn) + /* + * Use field_struct to avoid is_signed_type() + * comparison of a function pointer. + */ + __field_struct(xen_mc_callback_fn_t, fn) __field(void *, data) ), TP_fast_assign( diff --git a/include/uapi/linux/coda_psdev.h b/include/uapi/linux/coda_psdev.h index 79d05981fc4b..e2c44d2f7d5b 100644 --- a/include/uapi/linux/coda_psdev.h +++ b/include/uapi/linux/coda_psdev.h @@ -6,19 +6,6 @@ #define CODA_PSDEV_MAJOR 67 #define MAX_CODADEVS 5 /* how many do we allow */ - -/* messages between coda filesystem in kernel and Venus */ -struct upc_req { - struct list_head uc_chain; - caddr_t uc_data; - u_short uc_flags; - u_short uc_inSize; /* Size is at most 5000 bytes */ - u_short uc_outSize; - u_short uc_opcode; /* copied from data to save lookup */ - int uc_unique; - wait_queue_head_t uc_sleep; /* process' wait queue */ -}; - #define CODA_REQ_ASYNC 0x1 #define CODA_REQ_READ 0x2 #define CODA_REQ_WRITE 0x4 diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h index c9aca042e61d..d3a5cf3b5446 100644 --- a/include/uapi/linux/fuse.h +++ b/include/uapi/linux/fuse.h @@ -205,10 +205,12 @@ struct fuse_file_lock { * FOPEN_DIRECT_IO: bypass page cache for this open file * FOPEN_KEEP_CACHE: don't invalidate the data cache on open * FOPEN_NONSEEKABLE: the file is not seekable + * FOPEN_STREAM: the file is stream-like (no file position at all) */ #define FOPEN_DIRECT_IO (1 << 0) #define FOPEN_KEEP_CACHE (1 << 1) #define FOPEN_NONSEEKABLE (1 << 2) +#define FOPEN_STREAM (1 << 4) /** * INIT request/reply flags diff --git a/include/uapi/linux/isdn/capicmd.h b/include/uapi/linux/isdn/capicmd.h index b58635f722da..ae1e1fba2e13 100644 --- a/include/uapi/linux/isdn/capicmd.h +++ b/include/uapi/linux/isdn/capicmd.h @@ -15,6 +15,7 @@ #define CAPI_MSG_BASELEN 8 #define CAPI_DATA_B3_REQ_LEN (CAPI_MSG_BASELEN+4+4+2+2+2) #define CAPI_DATA_B3_RESP_LEN (CAPI_MSG_BASELEN+4+2) +#define CAPI_DISCONNECT_B3_RESP_LEN (CAPI_MSG_BASELEN+4) /*----- CAPI commands -----*/ #define CAPI_ALERT 0x01 diff --git a/include/uapi/linux/netfilter/xt_sctp.h b/include/uapi/linux/netfilter/xt_sctp.h index 29287be696a2..788b77c347a0 100644 --- a/include/uapi/linux/netfilter/xt_sctp.h +++ b/include/uapi/linux/netfilter/xt_sctp.h @@ -40,19 +40,19 @@ struct xt_sctp_info { #define SCTP_CHUNKMAP_SET(chunkmap, type) \ do { \ (chunkmap)[type / bytes(__u32)] |= \ - 1 << (type % bytes(__u32)); \ + 1u << (type % bytes(__u32)); \ } while (0) #define SCTP_CHUNKMAP_CLEAR(chunkmap, type) \ do { \ (chunkmap)[type / bytes(__u32)] &= \ - ~(1 << (type % bytes(__u32))); \ + ~(1u << (type % bytes(__u32))); \ } while (0) #define SCTP_CHUNKMAP_IS_SET(chunkmap, type) \ ({ \ ((chunkmap)[type / bytes (__u32)] & \ - (1 << (type % bytes (__u32)))) ? 1: 0; \ + (1u << (type % bytes (__u32)))) ? 1: 0; \ }) #define SCTP_CHUNKMAP_RESET(chunkmap) \ diff --git a/include/uapi/linux/prctl.h b/include/uapi/linux/prctl.h index 64776b72e1eb..64ec0d62e5f5 100644 --- a/include/uapi/linux/prctl.h +++ b/include/uapi/linux/prctl.h @@ -202,6 +202,7 @@ struct prctl_mm_map { #define PR_SET_SPECULATION_CTRL 53 /* Speculation control variants */ # define PR_SPEC_STORE_BYPASS 0 +# define PR_SPEC_INDIRECT_BRANCH 1 /* Return and control values for PR_SET/GET_SPECULATION_CTRL */ # define PR_SPEC_NOT_AFFECTED 0 # define PR_SPEC_PRCTL (1UL << 0) diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h index 9de808ebce05..422183f396d5 100644 --- a/include/uapi/linux/snmp.h +++ b/include/uapi/linux/snmp.h @@ -281,6 +281,7 @@ enum LINUX_MIB_TCPKEEPALIVE, /* TCPKeepAlive */ LINUX_MIB_TCPMTUPFAIL, /* TCPMTUPFail */ LINUX_MIB_TCPMTUPSUCCESS, /* TCPMTUPSuccess */ + LINUX_MIB_TCPWQUEUETOOBIG, /* TCPWqueueTooBig */ __LINUX_MIB_MAX }; diff --git a/include/uapi/linux/tipc_config.h b/include/uapi/linux/tipc_config.h index 087b0ef82c07..bbebd258cf07 100644 --- a/include/uapi/linux/tipc_config.h +++ b/include/uapi/linux/tipc_config.h @@ -301,8 +301,10 @@ static inline int TLV_SET(void *tlv, __u16 type, void *data, __u16 len) tlv_ptr = (struct tlv_desc *)tlv; tlv_ptr->tlv_type = htons(type); tlv_ptr->tlv_len = htons(tlv_len); - if (len && data) - memcpy(TLV_DATA(tlv_ptr), data, tlv_len); + if (len && data) { + memcpy(TLV_DATA(tlv_ptr), data, len); + memset(TLV_DATA(tlv_ptr) + len, 0, TLV_SPACE(len) - tlv_len); + } return TLV_SPACE(len); } @@ -399,8 +401,10 @@ static inline int TCM_SET(void *msg, __u16 cmd, __u16 flags, tcm_hdr->tcm_len = htonl(msg_len); tcm_hdr->tcm_type = htons(cmd); tcm_hdr->tcm_flags = htons(flags); - if (data_len && data) + if (data_len && data) { memcpy(TCM_DATA(msg), data, data_len); + memset(TCM_DATA(msg) + data_len, 0, TCM_SPACE(data_len) - msg_len); + } return TCM_SPACE(data_len); } diff --git a/include/video/sh_mobile_hdmi.h b/include/video/sh_mobile_hdmi.h deleted file mode 100644 index 63d20efa254a..000000000000 --- a/include/video/sh_mobile_hdmi.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - * SH-Mobile High-Definition Multimedia Interface (HDMI) - * - * Copyright (C) 2010, Guennadi Liakhovetski <g.liakhovetski@gmx.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef SH_MOBILE_HDMI_H -#define SH_MOBILE_HDMI_H - -struct sh_mobile_lcdc_chan_cfg; -struct device; -struct clk; - -/* - * flags format - * - * 0x00000CBA - * - * A: Audio source select - * B: Int output option - * C: Chip specific option - */ - -/* Audio source select */ -#define HDMI_SND_SRC_MASK (0xF << 0) -#define HDMI_SND_SRC_I2S (0 << 0) /* default */ -#define HDMI_SND_SRC_SPDIF (1 << 0) -#define HDMI_SND_SRC_DSD (2 << 0) -#define HDMI_SND_SRC_HBR (3 << 0) - -/* Int output option */ -#define HDMI_OUTPUT_PUSH_PULL (1 << 4) /* System control : output mode */ -#define HDMI_OUTPUT_POLARITY_HI (1 << 5) /* System control : output polarity */ - -/* Chip specific option */ -#define HDMI_32BIT_REG (1 << 8) -#define HDMI_HAS_HTOP1 (1 << 9) - -struct sh_mobile_hdmi_info { - unsigned int flags; - long (*clk_optimize_parent)(unsigned long target, unsigned long *best_freq, - unsigned long *parent_freq); -}; - -#endif |