diff options
Diffstat (limited to 'arch/arm/kernel/entry-armv.S')
| -rw-r--r-- | arch/arm/kernel/entry-armv.S | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 43d917f0d9a9..b58bda51e4b8 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -807,12 +807,13 @@ ENTRY(__switch_to) switch_tls r1, r4, r5, r3, r7 #if defined(CONFIG_STACKPROTECTOR) && !defined(CONFIG_SMP) && \ !defined(CONFIG_STACKPROTECTOR_PER_TASK) - ldr r9, [r2, #TI_TASK] ldr r8, =__stack_chk_guard .if (TSK_STACK_CANARY > IMM12_MASK) - add r9, r9, #TSK_STACK_CANARY & ~IMM12_MASK - .endif + add r9, r2, #TSK_STACK_CANARY & ~IMM12_MASK ldr r9, [r9, #TSK_STACK_CANARY & IMM12_MASK] + .else + ldr r9, [r2, #TSK_STACK_CANARY & IMM12_MASK] + .endif #endif mov r7, r2 @ Preserve 'next' #ifdef CONFIG_CPU_USE_DOMAINS @@ -829,7 +830,7 @@ ENTRY(__switch_to) #endif mov r0, r5 #if !defined(CONFIG_THUMB2_KERNEL) && !defined(CONFIG_VMAP_STACK) - set_current r7 + set_current r7, r8 ldmia r4, {r4 - sl, fp, sp, pc} @ Load all regs saved previously #else mov r1, r7 @@ -851,7 +852,7 @@ ENTRY(__switch_to) @ switches us to another stack, with few other side effects. In order @ to prevent this distinction from causing any inconsistencies, let's @ keep the 'set_current' call as close as we can to the update of SP. - set_current r1 + set_current r1, r2 mov sp, ip ret lr #endif |