From bb8985586b7a906e116db835c64773b7a7d51663 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 17 Aug 2008 21:05:42 -0400 Subject: x86, um: ... and asm-x86 move Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/x86/include/asm/alternative-asm.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 arch/x86/include/asm/alternative-asm.h (limited to 'arch/x86/include/asm/alternative-asm.h') diff --git a/arch/x86/include/asm/alternative-asm.h b/arch/x86/include/asm/alternative-asm.h new file mode 100644 index 000000000000..e2077d343c33 --- /dev/null +++ b/arch/x86/include/asm/alternative-asm.h @@ -0,0 +1,22 @@ +#ifdef __ASSEMBLY__ + +#ifdef CONFIG_X86_32 +# define X86_ALIGN .long +#else +# define X86_ALIGN .quad +#endif + +#ifdef CONFIG_SMP + .macro LOCK_PREFIX +1: lock + .section .smp_locks,"a" + .align 4 + X86_ALIGN 1b + .previous + .endm +#else + .macro LOCK_PREFIX + .endm +#endif + +#endif /* __ASSEMBLY__ */ -- cgit v1.2.3