[PATCH] x86-64: Fix interrupt race in idle callback (3rd try)

[pandora-kernel.git] / include / asm-x86_64 / processor.h

diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h
index cef17e0..76552d7 100644 (file)
--- a/include/asm-x86_64/processor.h
+++ b/include/asm-x86_64/processor.h
@@ -475,6 +475,14 @@ static inline void __mwait(unsigned long eax, unsigned long ecx)
                : :"a" (eax), "c" (ecx));
 }
 
+static inline void __sti_mwait(unsigned long eax, unsigned long ecx)
+{
+       /* "mwait %eax,%ecx;" */
+       asm volatile(
+               "sti; .byte 0x0f,0x01,0xc9;"
+               : :"a" (eax), "c" (ecx));
+}
+
 extern void mwait_idle_with_hints(unsigned long eax, unsigned long ecx);
 
 #define stack_current() \