diff options
Diffstat (limited to 'arch/arm/kernel')
| -rw-r--r-- | arch/arm/kernel/armksyms.c | 2 | ||||
| -rw-r--r-- | arch/arm/kernel/cpuidle.c | 4 | ||||
| -rw-r--r-- | arch/arm/kernel/devtree.c | 5 | ||||
| -rw-r--r-- | arch/arm/kernel/entry-common.S | 9 | ||||
| -rw-r--r-- | arch/arm/kernel/signal.c | 5 | ||||
| -rw-r--r-- | arch/arm/kernel/topology.c | 3 |
6 files changed, 19 insertions, 9 deletions
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c index 8e8d20cdbce7..5266fd9ad6b4 100644 --- a/arch/arm/kernel/armksyms.c +++ b/arch/arm/kernel/armksyms.c @@ -87,6 +87,8 @@ EXPORT_SYMBOL(__raw_writesl); EXPORT_SYMBOL(strchr); EXPORT_SYMBOL(strrchr); EXPORT_SYMBOL(memset); +EXPORT_SYMBOL(__memset32); +EXPORT_SYMBOL(__memset64); EXPORT_SYMBOL(memcpy); EXPORT_SYMBOL(memmove); EXPORT_SYMBOL(memchr); diff --git a/arch/arm/kernel/cpuidle.c b/arch/arm/kernel/cpuidle.c index a3308ad1a024..fda5579123a8 100644 --- a/arch/arm/kernel/cpuidle.c +++ b/arch/arm/kernel/cpuidle.c @@ -101,8 +101,8 @@ static int __init arm_cpuidle_read_ops(struct device_node *dn, int cpu) ops = arm_cpuidle_get_ops(enable_method); if (!ops) { - pr_warn("%s: unsupported enable-method property: %s\n", - dn->full_name, enable_method); + pr_warn("%pOF: unsupported enable-method property: %s\n", + dn, enable_method); return -EOPNOTSUPP; } diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c index f676febbb270..ecaa68dd1af5 100644 --- a/arch/arm/kernel/devtree.c +++ b/arch/arm/kernel/devtree.c @@ -95,7 +95,7 @@ void __init arm_dt_init_cpu_maps(void) if (of_node_cmp(cpu->type, "cpu")) continue; - pr_debug(" * %s...\n", cpu->full_name); + pr_debug(" * %pOF...\n", cpu); /* * A device tree containing CPU nodes with missing "reg" * properties is considered invalid to build the @@ -103,8 +103,7 @@ void __init arm_dt_init_cpu_maps(void) */ cell = of_get_property(cpu, "reg", &prop_bytes); if (!cell || prop_bytes < sizeof(*cell)) { - pr_debug(" * %s missing reg property\n", - cpu->full_name); + pr_debug(" * %pOF missing reg property\n", cpu); of_node_put(cpu); return; } diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 0b60adf4a5d9..ca3614dc6938 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -49,7 +49,9 @@ ret_fast_syscall: UNWIND(.cantunwind ) disable_irq_notrace @ disable interrupts ldr r1, [tsk, #TI_FLAGS] @ re-check for syscall tracing - tst r1, #_TIF_SYSCALL_WORK | _TIF_WORK_MASK + tst r1, #_TIF_SYSCALL_WORK + bne fast_work_pending + tst r1, #_TIF_WORK_MASK bne fast_work_pending /* perform architecture specific actions before user return */ @@ -75,12 +77,15 @@ ret_fast_syscall: str r0, [sp, #S_R0 + S_OFF]! @ save returned r0 disable_irq_notrace @ disable interrupts ldr r1, [tsk, #TI_FLAGS] @ re-check for syscall tracing - tst r1, #_TIF_SYSCALL_WORK | _TIF_WORK_MASK + tst r1, #_TIF_SYSCALL_WORK + bne fast_work_pending + tst r1, #_TIF_WORK_MASK beq no_work_pending UNWIND(.fnend ) ENDPROC(ret_fast_syscall) /* Slower path - fall through to work_pending */ +fast_work_pending: #endif tst r1, #_TIF_SYSCALL_WORK diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 5814298ef0b7..e2de50bf8742 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -14,6 +14,7 @@ #include <linux/uaccess.h> #include <linux/tracehook.h> #include <linux/uprobes.h> +#include <linux/syscalls.h> #include <asm/elf.h> #include <asm/cacheflush.h> @@ -613,6 +614,10 @@ do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall) * Update the trace code with the current status. */ trace_hardirqs_off(); + + /* Check valid user FS if needed */ + addr_limit_user_check(); + do { if (likely(thread_flags & _TIF_NEED_RESCHED)) { schedule(); diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c index bf949a763dbe..24ac3cab411d 100644 --- a/arch/arm/kernel/topology.c +++ b/arch/arm/kernel/topology.c @@ -127,8 +127,7 @@ static void __init parse_dt_topology(void) rate = of_get_property(cn, "clock-frequency", &len); if (!rate || len != 4) { - pr_err("%s missing clock-frequency property\n", - cn->full_name); + pr_err("%pOF missing clock-frequency property\n", cn); continue; } |