diff options
Diffstat (limited to 'arch/x86_64')
| -rw-r--r-- | arch/x86_64/Kconfig | 15 | ||||
| -rw-r--r-- | arch/x86_64/defconfig | 29 | ||||
| -rw-r--r-- | arch/x86_64/ia32/ia32_aout.c | 8 | ||||
| -rw-r--r-- | arch/x86_64/kernel/module.c | 5 | ||||
| -rw-r--r-- | arch/x86_64/kernel/nmi.c | 9 | ||||
| -rw-r--r-- | arch/x86_64/kernel/traps.c | 36 | ||||
| -rw-r--r-- | arch/x86_64/kernel/vmlinux.lds.S | 3 | ||||
| -rw-r--r-- | arch/x86_64/kernel/vsyscall.c | 3 |
8 files changed, 65 insertions, 43 deletions
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index bfbb9bcae123..d4275537b25b 100644 --- a/arch/x86_64/Kconfig +++ b/arch/x86_64/Kconfig @@ -96,6 +96,19 @@ config AUDIT_ARCH bool default y +config GENERIC_BUG + bool + default y + depends on BUG + +config ARCH_HAS_ILOG2_U32 + bool + default n + +config ARCH_HAS_ILOG2_U64 + bool + default n + source "init/Kconfig" @@ -571,7 +584,7 @@ config SECCOMP If unsure, say Y. Only embedded should say N here. config CC_STACKPROTECTOR - bool "Enable -fstack-protector buffer overflow detection (EXPRIMENTAL)" + bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)" depends on EXPERIMENTAL help This option turns on the -fstack-protector GCC feature. This diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig index 96f226cfb339..1a1c6a1a299b 100644 --- a/arch/x86_64/defconfig +++ b/arch/x86_64/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.19-git7 -# Wed Dec 6 23:50:47 2006 +# Linux kernel version: 2.6.19-git14 +# Sat Dec 9 21:23:09 2006 # CONFIG_X86_64=y CONFIG_64BIT=y @@ -22,6 +22,9 @@ CONFIG_ARCH_MAY_HAVE_PC_FDC=y CONFIG_ARCH_POPULATES_NODE_MAP=y CONFIG_DMI=y CONFIG_AUDIT_ARCH=y +CONFIG_GENERIC_BUG=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # @@ -170,6 +173,7 @@ CONFIG_SECCOMP=y # CONFIG_CC_STACKPROTECTOR is not set # CONFIG_HZ_100 is not set CONFIG_HZ_250=y +# CONFIG_HZ_300 is not set # CONFIG_HZ_1000 is not set CONFIG_HZ=250 # CONFIG_REORDER is not set @@ -514,6 +518,7 @@ CONFIG_IDEDMA_AUTO=y # # CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y +# CONFIG_SCSI_TGT is not set CONFIG_SCSI_NETLINK=y # CONFIG_SCSI_PROC_FS is not set @@ -534,6 +539,7 @@ CONFIG_CHR_DEV_SG=y # CONFIG_SCSI_MULTI_LUN is not set CONFIG_SCSI_CONSTANTS=y # CONFIG_SCSI_LOGGING is not set +# CONFIG_SCSI_SCAN_ASYNC is not set # # SCSI Transports @@ -587,6 +593,7 @@ CONFIG_MEGARAID_SAS=y # CONFIG_SCSI_DC395x is not set # CONFIG_SCSI_DC390T is not set # CONFIG_SCSI_DEBUG is not set +# CONFIG_SCSI_SRP is not set # # Serial ATA (prod) and Parallel ATA (experimental) drivers @@ -1106,10 +1113,7 @@ CONFIG_SOUND=y # Open Sound System # CONFIG_SOUND_PRIME=y -CONFIG_OSS_OBSOLETE_DRIVER=y # CONFIG_SOUND_BT878 is not set -# CONFIG_SOUND_EMU10K1 is not set -# CONFIG_SOUND_FUSION is not set # CONFIG_SOUND_ES1371 is not set CONFIG_SOUND_ICH=y # CONFIG_SOUND_TRIDENT is not set @@ -1119,6 +1123,11 @@ CONFIG_SOUND_ICH=y # CONFIG_SOUND_OSS is not set # +# HID Devices +# +CONFIG_HID=y + +# # USB support # CONFIG_USB_ARCH_HAS_HCD=y @@ -1182,8 +1191,7 @@ CONFIG_USB_STORAGE=y # USB Input Devices # CONFIG_USB_HID=y -CONFIG_USB_HIDINPUT=y -# CONFIG_USB_HIDINPUT_POWERBOOK is not set +# CONFIG_USB_HID_POWERBOOK is not set # CONFIG_HID_FF is not set # CONFIG_USB_HIDDEV is not set # CONFIG_USB_AIPTEK is not set @@ -1475,6 +1483,11 @@ CONFIG_NLS_ISO8859_15=y CONFIG_NLS_UTF8=y # +# Distributed Lock Manager +# +# CONFIG_DLM is not set + +# # Instrumentation Support # CONFIG_PROFILING=y @@ -1504,6 +1517,7 @@ CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_DEBUG_KOBJECT is not set +CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set CONFIG_DEBUG_FS=y # CONFIG_DEBUG_VM is not set @@ -1534,6 +1548,7 @@ CONFIG_DEBUG_STACKOVERFLOW=y # # Library routines # +CONFIG_BITREVERSE=y # CONFIG_CRC_CCITT is not set # CONFIG_CRC16 is not set CONFIG_CRC32=y diff --git a/arch/x86_64/ia32/ia32_aout.c b/arch/x86_64/ia32/ia32_aout.c index 396d3c100011..be87df506f39 100644 --- a/arch/x86_64/ia32/ia32_aout.c +++ b/arch/x86_64/ia32/ia32_aout.c @@ -272,7 +272,7 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs) if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != OMAGIC && N_MAGIC(ex) != QMAGIC && N_MAGIC(ex) != NMAGIC) || N_TRSIZE(ex) || N_DRSIZE(ex) || - i_size_read(bprm->file->f_dentry->d_inode) < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) { + i_size_read(bprm->file->f_path.dentry->d_inode) < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) { return -ENOEXEC; } @@ -357,7 +357,7 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs) { printk(KERN_WARNING "fd_offset is not page aligned. Please convert program: %s\n", - bprm->file->f_dentry->d_name.name); + bprm->file->f_path.dentry->d_name.name); error_time = jiffies; } #endif @@ -440,7 +440,7 @@ static int load_aout_library(struct file *file) int retval; struct exec ex; - inode = file->f_dentry->d_inode; + inode = file->f_path.dentry->d_inode; retval = -ENOEXEC; error = kernel_read(file, 0, (char *) &ex, sizeof(ex)); @@ -471,7 +471,7 @@ static int load_aout_library(struct file *file) { printk(KERN_WARNING "N_TXTOFF is not page aligned. Please convert library: %s\n", - file->f_dentry->d_name.name); + file->f_path.dentry->d_name.name); error_time = jiffies; } #endif diff --git a/arch/x86_64/kernel/module.c b/arch/x86_64/kernel/module.c index 9d0958ff547f..a888e67f5874 100644 --- a/arch/x86_64/kernel/module.c +++ b/arch/x86_64/kernel/module.c @@ -23,6 +23,7 @@ #include <linux/string.h> #include <linux/kernel.h> #include <linux/slab.h> +#include <linux/bug.h> #include <asm/system.h> #include <asm/page.h> @@ -173,10 +174,12 @@ int module_finalize(const Elf_Ehdr *hdr, lseg, lseg + locks->sh_size, tseg, tseg + text->sh_size); } - return 0; + + return module_bug_finalize(hdr, sechdrs, me); } void module_arch_cleanup(struct module *mod) { alternatives_smp_module_del(mod); + module_bug_cleanup(mod); } diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c index 27e95e7922c1..186aebbae32d 100644 --- a/arch/x86_64/kernel/nmi.c +++ b/arch/x86_64/kernel/nmi.c @@ -193,6 +193,8 @@ void nmi_watchdog_default(void) nmi_watchdog = NMI_IO_APIC; } +static int endflag __initdata = 0; + #ifdef CONFIG_SMP /* The performance counters used by NMI_LOCAL_APIC don't trigger when * the CPU is idle. To make sure the NMI watchdog really ticks on all @@ -200,7 +202,6 @@ void nmi_watchdog_default(void) */ static __init void nmi_cpu_busy(void *data) { - volatile int *endflag = data; local_irq_enable_in_hardirq(); /* Intentionally don't use cpu_relax here. This is to make sure that the performance counter really ticks, @@ -208,14 +209,13 @@ static __init void nmi_cpu_busy(void *data) pause instruction. On a real HT machine this is fine because all other CPUs are busy with "useless" delay loops and don't care if they get somewhat less cycles. */ - while (*endflag == 0) - barrier(); + while (endflag == 0) + mb(); } #endif int __init check_nmi_watchdog (void) { - volatile int endflag = 0; int *counts; int cpu; @@ -256,6 +256,7 @@ int __init check_nmi_watchdog (void) if (!atomic_read(&nmi_active)) { kfree(counts); atomic_set(&nmi_active, -1); + endflag = 1; return -1; } endflag = 1; diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c index a1641ffdffcf..b54ccc07f379 100644 --- a/arch/x86_64/kernel/traps.c +++ b/arch/x86_64/kernel/traps.c @@ -31,6 +31,7 @@ #include <linux/kexec.h> #include <linux/unwind.h> #include <linux/uaccess.h> +#include <linux/bug.h> #include <asm/system.h> #include <asm/io.h> @@ -524,30 +525,15 @@ bad: printk("\n"); } -void handle_BUG(struct pt_regs *regs) -{ - struct bug_frame f; - long len; - const char *prefix = ""; +int is_valid_bugaddr(unsigned long rip) +{ + unsigned short ud2; - if (user_mode(regs)) - return; - if (__copy_from_user(&f, (const void __user *) regs->rip, - sizeof(struct bug_frame))) - return; - if (f.filename >= 0 || - f.ud2[0] != 0x0f || f.ud2[1] != 0x0b) - return; - len = __strnlen_user((char *)(long)f.filename, PATH_MAX) - 1; - if (len < 0 || len >= PATH_MAX) - f.filename = (int)(long)"unmapped filename"; - else if (len > 50) { - f.filename += len - 50; - prefix = "..."; - } - printk("----------- [cut here ] --------- [please bite here ] ---------\n"); - printk(KERN_ALERT "Kernel BUG at %s%.50s:%d\n", prefix, (char *)(long)f.filename, f.line); -} + if (__copy_from_user(&ud2, (const void __user *) rip, sizeof(ud2))) + return 0; + + return ud2 == 0x0b0f; +} #ifdef CONFIG_BUG void out_of_line_bug(void) @@ -627,7 +613,9 @@ void die(const char * str, struct pt_regs * regs, long err) { unsigned long flags = oops_begin(); - handle_BUG(regs); + if (!user_mode(regs)) + report_bug(regs->rip); + __die(str, regs, err); oops_end(flags); do_exit(SIGSEGV); diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S index 6a1f8f491e5d..514be5dd2303 100644 --- a/arch/x86_64/kernel/vmlinux.lds.S +++ b/arch/x86_64/kernel/vmlinux.lds.S @@ -13,6 +13,7 @@ OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64") OUTPUT_ARCH(i386:x86-64) ENTRY(phys_startup_64) jiffies_64 = jiffies; +_proxy_pda = 0; PHDRS { text PT_LOAD FLAGS(5); /* R_E */ data PT_LOAD FLAGS(7); /* RWE */ @@ -51,6 +52,8 @@ SECTIONS RODATA + BUG_TABLE + . = ALIGN(PAGE_SIZE); /* Align data segment to page size boundary */ /* Data */ .data : AT(ADDR(.data) - LOAD_OFFSET) { diff --git a/arch/x86_64/kernel/vsyscall.c b/arch/x86_64/kernel/vsyscall.c index 4a673f5397a0..2433d6fc68b1 100644 --- a/arch/x86_64/kernel/vsyscall.c +++ b/arch/x86_64/kernel/vsyscall.c @@ -225,8 +225,7 @@ out: static int vsyscall_sysctl_nostrat(ctl_table *t, int __user *name, int nlen, void __user *oldval, size_t __user *oldlenp, - void __user *newval, size_t newlen, - void **context) + void __user *newval, size_t newlen) { return -ENOSYS; } |