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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-07-05 13:13:03 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-07-05 13:13:03 -0400
commit5e66dd6d66ffe758b39b6dcadf2330753ee1159b (patch)
treea72cdcff4448e4af9425cc213ddf56ab23e697fe /include/asm-i386/system.h
parent026477c1141b67e98e3bd8bdedb7d4b88a3ecd09 (diff)
parentca78f6baca863afe2e6a244a0fe94b3a70211d46 (diff)
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Diffstat (limited to 'include/asm-i386/system.h')
-rw-r--r--include/asm-i386/system.h20
1 files changed, 1 insertions, 19 deletions
diff --git a/include/asm-i386/system.h b/include/asm-i386/system.h
index cab0180567f9..db398d88b1d9 100644
--- a/include/asm-i386/system.h
+++ b/include/asm-i386/system.h
@@ -456,25 +456,7 @@ static inline unsigned long long __cmpxchg64(volatile void *ptr, unsigned long l
456 456
457#define set_wmb(var, value) do { var = value; wmb(); } while (0) 457#define set_wmb(var, value) do { var = value; wmb(); } while (0)
458 458
459/* interrupt control.. */ 459#include <linux/irqflags.h>
460#define local_save_flags(x) do { typecheck(unsigned long,x); __asm__ __volatile__("pushfl ; popl %0":"=g" (x): /* no input */); } while (0)
461#define local_irq_restore(x) do { typecheck(unsigned long,x); __asm__ __volatile__("pushl %0 ; popfl": /* no output */ :"g" (x):"memory", "cc"); } while (0)
462#define local_irq_disable() __asm__ __volatile__("cli": : :"memory")
463#define local_irq_enable() __asm__ __volatile__("sti": : :"memory")
464/* used in the idle loop; sti takes one instruction cycle to complete */
465#define safe_halt() __asm__ __volatile__("sti; hlt": : :"memory")
466/* used when interrupts are already enabled or to shutdown the processor */
467#define halt() __asm__ __volatile__("hlt": : :"memory")
468
469#define irqs_disabled() \
470({ \
471 unsigned long flags; \
472 local_save_flags(flags); \
473 !(flags & (1<<9)); \
474})
475
476/* For spinlocks etc */
477#define local_irq_save(x) __asm__ __volatile__("pushfl ; popl %0 ; cli":"=g" (x): /* no input */ :"memory")
478 460
479/* 461/*
480 * disable hlt during certain critical i/o operations 462 * disable hlt during certain critical i/o operations