x86: Keep current stack in NMI breakpoints

[linux-2.6-block.git] / arch / x86 / include / asm / processor.h

diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index b650435ffb538d97df113a7b662975e88a60c375..4b39d6d7e3a15bdd30a7c02aea981638241b85c6 100644 (file)
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -402,6 +402,9 @@ DECLARE_PER_CPU(char *, irq_stack_ptr);
 DECLARE_PER_CPU(unsigned int, irq_count);
 extern unsigned long kernel_eflags;
 extern asmlinkage void ignore_sysret(void);
+int is_debug_stack(unsigned long addr);
+void debug_stack_set_zero(void);
+void debug_stack_reset(void);
 #else  /* X86_64 */
 #ifdef CONFIG_CC_STACKPROTECTOR
 /*
@@ -416,6 +419,9 @@ struct stack_canary {
 };
 DECLARE_PER_CPU_ALIGNED(struct stack_canary, stack_canary);
 #endif
+static inline int is_debug_stack(unsigned long addr) { return 0; }
+static inline void debug_stack_set_zero(void) { }
+static inline void debug_stack_reset(void) { }
 #endif /* X86_64 */
 
 extern unsigned int xstate_size;