#ifndef _ASM_MUTEX_H
#define _ASM_MUTEX_H
+#include "asm/alternative.h"
+
/**
* __mutex_fastpath_lock - try to take the lock by moving the count
* from 1 to a 0 value
typecheck_fn(fastcall void (*)(atomic_t *), fail_fn); \
\
__asm__ __volatile__( \
- LOCK " decl (%%eax) \n" \
- " js 2f \n" \
+ LOCK_PREFIX " decl (%%eax) \n" \
+ " jns 1f \n" \
+ " call "#fail_fn" \n" \
"1: \n" \
\
- LOCK_SECTION_START("") \
- "2: call "#fail_fn" \n" \
- " jmp 1b \n" \
- LOCK_SECTION_END \
- \
:"=a" (dummy) \
: "a" (count) \
: "memory", "ecx", "edx"); \
typecheck_fn(fastcall void (*)(atomic_t *), fail_fn); \
\
__asm__ __volatile__( \
- LOCK " incl (%%eax) \n" \
- " jle 2f \n" \
+ LOCK_PREFIX " incl (%%eax) \n" \
+ " jg 1f \n" \
+ " call "#fail_fn" \n" \
"1: \n" \
\
- LOCK_SECTION_START("") \
- "2: call "#fail_fn" \n" \
- " jmp 1b \n" \
- LOCK_SECTION_END \
- \
:"=a" (dummy) \
: "a" (count) \
: "memory", "ecx", "edx"); \