diff options
Diffstat (limited to 'arch/arm/kernel/entry-armv.S')
| -rw-r--r-- | arch/arm/kernel/entry-armv.S | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 7ee48e7f8f31..2d14081b26b1 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -745,6 +745,11 @@ ENTRY(__switch_to) mov r4, #0xffff0fff str r3, [r4, #-15] @ TLS val at 0xffff0ff0 #endif +#if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP) + ldr r7, [r2, #TI_TASK] + ldr r8, =__stack_chk_guard + ldr r7, [r7, #TSK_STACK_CANARY] +#endif #ifdef CONFIG_MMU mcr p15, 0, r6, c3, c0, 0 @ Set domain register #endif @@ -753,6 +758,9 @@ ENTRY(__switch_to) ldr r0, =thread_notify_head mov r1, #THREAD_NOTIFY_SWITCH bl atomic_notifier_call_chain +#if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP) + str r7, [r8] +#endif THUMB( mov ip, r4 ) mov r0, r5 ARM( ldmia r4, {r4 - sl, fp, sp, pc} ) @ Load all regs saved previously |