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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-07-31 14:20:16 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-07-31 14:20:16 +0100
commit7b70c4275f28702b76b273c8534c38f8313812e9 (patch)
tree1df2229ca02466bd1adda814ac5c37aa0a597db1 /arch/arm/kernel/entry-armv.S
parentceb0885d3b01bb2e2f18765770e212914f2864be (diff)
parenta20df564d15bd28e3df24e1c65b885bd74d23f17 (diff)
downloadlinux-7b70c4275f28702b76b273c8534c38f8313812e9.tar.gz
Merge branch 'devel-stable' into devel
Conflicts: arch/arm/kernel/entry-armv.S arch/arm/kernel/setup.c arch/arm/mm/init.c
Diffstat (limited to 'arch/arm/kernel/entry-armv.S')
-rw-r--r--arch/arm/kernel/entry-armv.S8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index e864e482118..bb8e93a7640 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -737,6 +737,11 @@ ENTRY(__switch_to)
ldr r6, [r2, #TI_CPU_DOMAIN]
#endif
set_tls r3, r4, r5
+#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
@@ -745,6 +750,9 @@ 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