diff options
| author | Olof Johansson <olof@lixom.net> | 2011-12-15 22:02:34 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2011-12-15 22:02:34 -0800 |
| commit | 02735a29d8ce882ec698803f064e17888874780c (patch) | |
| tree | 6a4afa3bc8b6d4334df24910a56f77adf126b0c7 /arch/x86/kernel/irq_64.c | |
| parent | 8d685b7f4d9c9882442bf1b492558d5f17b694fa (diff) | |
| parent | 3d911ad22e8405c1a333a6812e405cb1a5ae9829 (diff) | |
| download | blackbird-op-linux-02735a29d8ce882ec698803f064e17888874780c.tar.gz blackbird-op-linux-02735a29d8ce882ec698803f064e17888874780c.zip | |
Merge branch 'at91/defconfig' into next/cleanup
Diffstat (limited to 'arch/x86/kernel/irq_64.c')
| -rw-r--r-- | arch/x86/kernel/irq_64.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index acf8fbf8fbda..69bca468c47a 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) + |
