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| author |   Paul Mundt <lethal@linux-sh.org> | 2009-08-15 13:00:02 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-08-15 13:00:02 +0900 |
| commit | 4b6b987969b076298485697bfb0d0e35502642a3 (patch) | |
| tree | a8f5ebd6a0b9efbe30272012d759669b0c5ddc13 /arch/x86/include/asm/irqflags.h | |
| parent | sh: Runtime PM pdev hwblk - Solution Engine 7724 (diff) | |
| parent | Merge branch 'sh/stable-updates' (diff) | |
| download | linux-dev-4b6b987969b076298485697bfb0d0e35502642a3.tar.xz linux-dev-4b6b987969b076298485697bfb0d0e35502642a3.zip | |
Merge branch 'master' into sh/hwblk
Diffstat (limited to 'arch/x86/include/asm/irqflags.h')
| -rw-r--r-- | arch/x86/include/asm/irqflags.h | 8 |
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"); |