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| author | David Vrabel <david.vrabel@csr.com> | 2009-01-02 13:17:13 +0000 |
|---|---|---|
| committer | David Vrabel <david.vrabel@csr.com> | 2009-01-02 13:17:13 +0000 |
| commit | b21a207141d83a06abc5f492b80204602e02ca44 (patch) | |
| tree | f0152cde543008c72d7eb5c12c18095ad92785e6 /arch/x86/include/asm/bitops.h | |
| parent | 3af373021fa32f8f787bfbdcc1a9277a287bde4e (diff) | |
| parent | b58602a4bac012b5f4fc12fe6b46ab237b610d5d (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
Conflicts:
drivers/uwb/wlp/eda.c
Diffstat (limited to 'arch/x86/include/asm/bitops.h')
| -rw-r--r-- | arch/x86/include/asm/bitops.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h index 36001032271..9fa9dcdf344 100644 --- a/arch/x86/include/asm/bitops.h +++ b/arch/x86/include/asm/bitops.h @@ -168,7 +168,15 @@ static inline void __change_bit(int nr, volatile unsigned long *addr) */ static inline void change_bit(int nr, volatile unsigned long *addr) { - asm volatile(LOCK_PREFIX "btc %1,%0" : ADDR : "Ir" (nr)); + if (IS_IMMEDIATE(nr)) { + asm volatile(LOCK_PREFIX "xorb %1,%0" + : CONST_MASK_ADDR(nr, addr) + : "iq" ((u8)CONST_MASK(nr))); + } else { + asm volatile(LOCK_PREFIX "btc %1,%0" + : BITOP_ADDR(addr) + : "Ir" (nr)); + } } /** |