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authorPaul Mundt <lethal@linux-sh.org>2009-08-13 11:48:01 +0900
committerPaul Mundt <lethal@linux-sh.org>2009-08-13 11:48:01 +0900
commite290861f99131fc42d98012a9ea2dc185f08f8f9 (patch)
tree5c8b92d095d74d03b281711c81bac54bd59989cd /arch/x86/include/asm/irqflags.h
parentb4a757367d36cebddcd332a4024d92f1e87af370 (diff)
parentdbefd606a3b3634799b625f4900336e61c89e868 (diff)
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Merge branch 'sh/stable-updates'
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 2bdab21..c6ccbe7 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");