diff options
author | Joel Stanley <joel@jms.id.au> | 2020-08-10 07:07:46 +0300 |
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committer | Joel Stanley <joel@jms.id.au> | 2020-08-10 07:07:49 +0300 |
commit | 4789fd48a313d36fe6b8fc1da5e0788f5ea074cb (patch) | |
tree | 2c8c27b52f0e38abb7416ce81b04c3b85511b694 /arch/parisc/include/asm/cmpxchg.h | |
parent | 8a9b346382056b52cd7ff141ae9f15a0fcfeb13d (diff) | |
parent | d9939285fc818425ae92bd99f8c97b6b9ef3bb88 (diff) | |
download | linux-dev-5.4.tar.xz |
Merge tag 'v5.4.57' into dev-5.4dev-5.4
This is the 5.4.57 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'arch/parisc/include/asm/cmpxchg.h')
-rw-r--r-- | arch/parisc/include/asm/cmpxchg.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/cmpxchg.h b/arch/parisc/include/asm/cmpxchg.h index ab5c215cf46c..068958575871 100644 --- a/arch/parisc/include/asm/cmpxchg.h +++ b/arch/parisc/include/asm/cmpxchg.h @@ -60,6 +60,7 @@ extern void __cmpxchg_called_with_bad_pointer(void); extern unsigned long __cmpxchg_u32(volatile unsigned int *m, unsigned int old, unsigned int new_); extern u64 __cmpxchg_u64(volatile u64 *ptr, u64 old, u64 new_); +extern u8 __cmpxchg_u8(volatile u8 *ptr, u8 old, u8 new_); /* don't worry...optimizer will get rid of most of this */ static inline unsigned long @@ -71,6 +72,7 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size) #endif case 4: return __cmpxchg_u32((unsigned int *)ptr, (unsigned int)old, (unsigned int)new_); + case 1: return __cmpxchg_u8((u8 *)ptr, (u8)old, (u8)new_); } __cmpxchg_called_with_bad_pointer(); return old; |