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authorIngo Molnar <mingo@elte.hu>2009-08-24 12:25:44 +0200
committerIngo Molnar <mingo@elte.hu>2009-08-24 12:25:54 +0200
commit5f9ece02401116b29eb04396b99ea092acb75dd8 (patch)
treee10386e2dc63c275646b4eb0bed857da7bf86c6a /arch/x86/include/asm/irqflags.h
parent9f51e24ee8b5a1595b6a5ac0c2be278a16488e75 (diff)
parent422bef879e84104fee6dc68ded0e371dbeb5f88e (diff)
Merge commit 'v2.6.31-rc7' into x86/cleanups
Merge reason: we were on -rc1 before - go up to -rc7 Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/irqflags.h')
-rw-r--r--arch/x86/include/asm/irqflags.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h
index 2bdab21f0898..c6ccbe7e81ad 100644
--- a/arch/x86/include/asm/irqflags.h
+++ b/arch/x86/include/asm/irqflags.h
@@ -12,9 +12,15 @@ static inline unsigned long native_save_fl(void)
{
unsigned long flags;
+ /*
+ * Note: this needs to be "=r" not "=rm", because we have the
+ * stack offset from what gcc expects at the time the "pop" is
+ * executed, and so a memory reference with respect to the stack
+ * would end up using the wrong address.
+ */
asm volatile("# __raw_save_flags\n\t"
"pushf ; pop %0"
- : "=g" (flags)
+ : "=r" (flags)
: /* no input */
: "memory");