mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-24 19:55:11 +07:00
de9e432cb5
Move the now generic definitions of atomic_{set,clear}_mask() into linux/atomic.h to avoid endless and pointless repetition. Also, provide an atomic_andnot() wrapper for those few archs that can implement that. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/*
|
|
* Copyright 2004-2011 Analog Devices Inc.
|
|
*
|
|
* Licensed under the GPL-2 or later.
|
|
*/
|
|
|
|
#ifndef __ARCH_BLACKFIN_ATOMIC__
|
|
#define __ARCH_BLACKFIN_ATOMIC__
|
|
|
|
#include <asm/cmpxchg.h>
|
|
|
|
#ifdef CONFIG_SMP
|
|
|
|
#include <asm/barrier.h>
|
|
#include <linux/linkage.h>
|
|
#include <linux/types.h>
|
|
|
|
asmlinkage int __raw_uncached_fetch_asm(const volatile int *ptr);
|
|
asmlinkage int __raw_atomic_add_asm(volatile int *ptr, int value);
|
|
|
|
asmlinkage int __raw_atomic_and_asm(volatile int *ptr, int value);
|
|
asmlinkage int __raw_atomic_or_asm(volatile int *ptr, int value);
|
|
asmlinkage int __raw_atomic_xor_asm(volatile int *ptr, int value);
|
|
asmlinkage int __raw_atomic_test_asm(const volatile int *ptr, int value);
|
|
|
|
#define atomic_read(v) __raw_uncached_fetch_asm(&(v)->counter)
|
|
|
|
#define atomic_add_return(i, v) __raw_atomic_add_asm(&(v)->counter, i)
|
|
#define atomic_sub_return(i, v) __raw_atomic_add_asm(&(v)->counter, -(i))
|
|
|
|
#define atomic_or(i, v) (void)__raw_atomic_or_asm(&(v)->counter, i)
|
|
#define atomic_and(i, v) (void)__raw_atomic_and_asm(&(v)->counter, i)
|
|
#define atomic_xor(i, v) (void)__raw_atomic_xor_asm(&(v)->counter, i)
|
|
|
|
#endif
|
|
|
|
#include <asm-generic/atomic.h>
|
|
|
|
#endif
|