.wait = __WAIT_QUEUE_HEAD_INITIALIZER((name).wait) \
}
-#define __MUTEX_INITIALIZER(name) \
- __SEMAPHORE_INITIALIZER(name,1)
-
#define __DECLARE_SEMAPHORE_GENERIC(name,count) \
struct semaphore name = __SEMAPHORE_INITIALIZER(name,count)
sema_init(sem, 0);
}
-asmlinkage void __down_failed(void /* special register calling convention */);
-asmlinkage int __down_failed_interruptible(void /* params in registers */);
-asmlinkage int __down_failed_trylock(void /* params in registers */);
-asmlinkage void __up_wakeup(void /* special register calling convention */);
-
-asmlinkage void __down(struct semaphore * sem);
-asmlinkage int __down_interruptible(struct semaphore * sem);
-asmlinkage int __down_trylock(struct semaphore * sem);
-asmlinkage void __up(struct semaphore * sem);
+fastcall void __down_failed(void /* special register calling convention */);
+fastcall int __down_failed_interruptible(void /* params in registers */);
+fastcall int __down_failed_trylock(void /* params in registers */);
+fastcall void __up_wakeup(void /* special register calling convention */);
/*
* This is ugly, but we want the default case to fall through.
might_sleep();
__asm__ __volatile__(
"# atomic down operation\n\t"
- LOCK "decl %0\n\t" /* --sem->count */
+ LOCK_PREFIX "decl %0\n\t" /* --sem->count */
"js 2f\n"
"1:\n"
LOCK_SECTION_START("")
- "2:\tcall __down_failed\n\t"
+ "2:\tlea %0,%%eax\n\t"
+ "call __down_failed\n\t"
"jmp 1b\n"
LOCK_SECTION_END
:"=m" (sem->count)
- :"c" (sem)
- :"memory");
+ :
+ :"memory","ax");
}
/*
might_sleep();
__asm__ __volatile__(
"# atomic interruptible down operation\n\t"
- LOCK "decl %1\n\t" /* --sem->count */
+ LOCK_PREFIX "decl %1\n\t" /* --sem->count */
"js 2f\n\t"
"xorl %0,%0\n"
"1:\n"
LOCK_SECTION_START("")
- "2:\tcall __down_failed_interruptible\n\t"
+ "2:\tlea %1,%%eax\n\t"
+ "call __down_failed_interruptible\n\t"
"jmp 1b\n"
LOCK_SECTION_END
:"=a" (result), "=m" (sem->count)
- :"c" (sem)
+ :
:"memory");
return result;
}
__asm__ __volatile__(
"# atomic interruptible down operation\n\t"
- LOCK "decl %1\n\t" /* --sem->count */
+ LOCK_PREFIX "decl %1\n\t" /* --sem->count */
"js 2f\n\t"
"xorl %0,%0\n"
"1:\n"
LOCK_SECTION_START("")
- "2:\tcall __down_failed_trylock\n\t"
+ "2:\tlea %1,%%eax\n\t"
+ "call __down_failed_trylock\n\t"
"jmp 1b\n"
LOCK_SECTION_END
:"=a" (result), "=m" (sem->count)
- :"c" (sem)
+ :
:"memory");
return result;
}
{
__asm__ __volatile__(
"# atomic up operation\n\t"
- LOCK "incl %0\n\t" /* ++sem->count */
+ LOCK_PREFIX "incl %0\n\t" /* ++sem->count */
"jle 2f\n"
"1:\n"
LOCK_SECTION_START("")
- "2:\tcall __up_wakeup\n\t"
+ "2:\tlea %0,%%eax\n\t"
+ "call __up_wakeup\n\t"
"jmp 1b\n"
LOCK_SECTION_END
".subsection 0\n"
:"=m" (sem->count)
- :"c" (sem)
- :"memory");
+ :
+ :"memory","ax");
}
#endif