patch-2.3.51 linux/include/asm-i386/system.h
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- Lines: 9
- Date:
Fri Mar 10 14:31:30 2000
- Orig file:
v2.3.50/linux/include/asm-i386/system.h
- Orig date:
Wed Dec 8 14:11:28 1999
diff -u --recursive --new-file v2.3.50/linux/include/asm-i386/system.h linux/include/asm-i386/system.h
@@ -279,6 +279,8 @@
#define __restore_flags(x) __asm__ __volatile__("pushl %0 ; popfl": /* no output */ :"g" (x):"memory")
#define __cli() __asm__ __volatile__("cli": : :"memory")
#define __sti() __asm__ __volatile__("sti": : :"memory")
+/* used in the idle loop; sti takes one instruction cycle to complete */
+#define safe_halt() __asm__ __volatile__("sti; hlt": : :"memory")
/* For spinlocks etc */
#define local_irq_save(x) __asm__ __volatile__("pushfl ; popl %0 ; cli":"=g" (x): /* no input */ :"memory")
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