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authorRussell King <rmk+kernel@arm.linux.org.uk>2012-01-05 12:56:44 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-01-05 12:56:44 +0000
commit4045407fd7740642b18bc802e8bab064e79a61e5 (patch)
tree9412a38886bfad562bc5897c6e4c23bb88703204 /arch/x86/kernel/irq_64.c
parent59136ef3c596606d3eef920dc3e0fdfa2ce52c6f (diff)
parent4c5f830c4c9d4f19c1eef356c0cd322b46d695c9 (diff)
Merge branch 'restart-cleanup' into restart
Conflicts: arch/arm/kernel/setup.c
Diffstat (limited to 'arch/x86/kernel/irq_64.c')
-rw-r--r--arch/x86/kernel/irq_64.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index acf8fbf8fbd..69bca468c47 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -38,6 +38,9 @@ static inline void stack_overflow_check(struct pt_regs *regs)
#ifdef CONFIG_DEBUG_STACKOVERFLOW
u64 curbase = (u64)task_stack_page(current);
+ if (user_mode_vm(regs))
+ return;
+
WARN_ONCE(regs->sp >= curbase &&
regs->sp <= curbase + THREAD_SIZE &&
regs->sp < curbase + sizeof(struct thread_info) +