diff --git a/arch/x86/include/asm/alternative-asm.h b/arch/x86/include/asm/alternative-asm.h index 8e4ea39e55d071de447bb1c1336dce2ec314ad5e..31b627b43a8e01933d6209e746f4c08912d0cdef 100644 --- a/arch/x86/include/asm/alternative-asm.h +++ b/arch/x86/include/asm/alternative-asm.h @@ -7,24 +7,16 @@ #include <asm/asm.h> #ifdef CONFIG_SMP -.macro LOCK_PREFIX_HERE + .macro LOCK_PREFIX +672: lock .pushsection .smp_locks,"a" .balign 4 - .long 671f - . # offset + .long 672b - . .popsection -671: -.endm - -.macro LOCK_PREFIX insn:vararg - LOCK_PREFIX_HERE - lock \insn -.endm + .endm #else -.macro LOCK_PREFIX_HERE -.endm - -.macro LOCK_PREFIX insn:vararg -.endm + .macro LOCK_PREFIX + .endm #endif /* diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h index d7faa16622d81d39ff11d703fad17ed7931cce86..4cd6a3b71824293ae3edb664bc5ed6e48ca5a459 100644 --- a/arch/x86/include/asm/alternative.h +++ b/arch/x86/include/asm/alternative.h @@ -31,8 +31,15 @@ */ #ifdef CONFIG_SMP -#define LOCK_PREFIX_HERE "LOCK_PREFIX_HERE\n\t" -#define LOCK_PREFIX "LOCK_PREFIX " +#define LOCK_PREFIX_HERE \ + ".pushsection .smp_locks,\"a\"\n" \ + ".balign 4\n" \ + ".long 671f - .\n" /* offset */ \ + ".popsection\n" \ + "671:" + +#define LOCK_PREFIX LOCK_PREFIX_HERE "\n\tlock; " + #else /* ! CONFIG_SMP */ #define LOCK_PREFIX_HERE "" #define LOCK_PREFIX "" diff --git a/arch/x86/kernel/macros.S b/arch/x86/kernel/macros.S index 852487a9fc5689c43fad486ed9b008e5fe41a887..f1fe1d570365ad6871f0cdeecb97cefad7fc584c 100644 --- a/arch/x86/kernel/macros.S +++ b/arch/x86/kernel/macros.S @@ -8,4 +8,3 @@ #include <linux/compiler.h> #include <asm/refcount.h> -#include <asm/alternative-asm.h>