hw-breakpoints: Rewrite the hw-breakpoints layer on top of perf events

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

diff --git a/arch/x86/include/asm/debugreg.h b/arch/x86/include/asm/debugreg.h
index 23439fbb1d0ed92e8e3eb9788f649120566ce3af..9a3333c91f9af826f21c60fa96fd55c5674fea2d 100644 (file)
--- a/arch/x86/include/asm/debugreg.h
+++ b/arch/x86/include/asm/debugreg.h
@@ -75,13 +75,8 @@
  */
 #ifdef __KERNEL__
 
-/* For process management */
-extern void flush_thread_hw_breakpoint(struct task_struct *tsk);
-extern int copy_thread_hw_breakpoint(struct task_struct *tsk,
-               struct task_struct *child, unsigned long clone_flags);
+DECLARE_PER_CPU(unsigned long, dr7);
 
-/* For CPU management */
-extern void load_debug_registers(void);
 static inline void hw_breakpoint_disable(void)
 {
        /* Zero the control register for HW Breakpoint */
@@ -94,6 +89,10 @@ static inline void hw_breakpoint_disable(void)
        set_debugreg(0UL, 3);
 }
 
+#ifdef CONFIG_KVM
+extern void hw_breakpoint_restore(void);
+#endif
+
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_X86_DEBUGREG_H */