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| author | Jan Beulich <JBeulich@novell.com> | 2011-07-19 12:59:51 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-07-21 09:03:31 +0200 |
| commit | 4625cd637919edfb562e0d62abf94f52e9321335 (patch) | |
| tree | 88c4cf965722fb54731a6e8f632ec6ef6e83e194 /arch/x86/include/asm/asm.h | |
| parent | dd2897bf0f4d523238e87dabb23e9634ea9ba73d (diff) | |
| download | lwn-4625cd637919edfb562e0d62abf94f52e9321335.tar.gz lwn-4625cd637919edfb562e0d62abf94f52e9321335.zip | |
x86: Unify rwlock assembly implementation
Rather than having two functionally identical implementations
for 32- and 64-bit configurations, extend the existing assembly
abstractions enough to fold the two rwlock implementations into
a shared one.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/4E258DD7020000780004E3EA@nat28.tlf.novell.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/asm.h')
| -rw-r--r-- | arch/x86/include/asm/asm.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h index b3ed1e1460ff..5890beb021c4 100644 --- a/arch/x86/include/asm/asm.h +++ b/arch/x86/include/asm/asm.h @@ -15,7 +15,8 @@ # define __ASM_SEL(a,b) __ASM_FORM(b) #endif -#define __ASM_SIZE(inst) __ASM_SEL(inst##l, inst##q) +#define __ASM_SIZE(inst, ...) __ASM_SEL(inst##l##__VA_ARGS__, \ + inst##q##__VA_ARGS__) #define __ASM_REG(reg) __ASM_SEL(e##reg, r##reg) #define _ASM_PTR __ASM_SEL(.long, .quad) |