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git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - arch/sh/include/asm/cmpxchg-cas.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_SH_CMPXCHG_CAS_H
3 #define __ASM_SH_CMPXCHG_CAS_H
5 static inline unsigned long
6 __cmpxchg_u32(volatile u32
*m
, unsigned long old
, unsigned long new)
8 __asm__
__volatile__("cas.l %1,%0,@r0"
15 static inline unsigned long xchg_u32(volatile u32
*m
, unsigned long val
)
19 while (__cmpxchg_u32(m
, old
, val
) != old
);
23 #include <asm/cmpxchg-xchg.h>
25 #endif /* __ASM_SH_CMPXCHG_CAS_H */