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| author | David S. Miller <davem@davemloft.net> | 2020-08-02 01:02:12 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-08-02 01:02:12 -0700 |
| commit | bd0b33b24897ba9ddad221e8ac5b6f0e38a2e004 (patch) | |
| tree | 3f03062a9e759dba7b09df0feccbb58b8f7ab4cc /arch/parisc | |
| parent | 7126bd5c8bcbc015cf89864cf71d750e8f33f924 (diff) | |
| parent | ac3a0c8472969a03c0496ae774b3a29eb26c8d5a (diff) | |
| download | linux-riscv-bd0b33b24897ba9ddad221e8ac5b6f0e38a2e004.tar.gz linux-riscv-bd0b33b24897ba9ddad221e8ac5b6f0e38a2e004.tar.bz2 linux-riscv-bd0b33b24897ba9ddad221e8ac5b6f0e38a2e004.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Resolved kernel/bpf/btf.c using instructions from merge commit
69138b34a7248d2396ab85c8652e20c0c39beaba
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/parisc')
| -rw-r--r-- | arch/parisc/include/asm/atomic.h | 2 | ||||
| -rw-r--r-- | arch/parisc/include/asm/cmpxchg.h | 2 | ||||
| -rw-r--r-- | arch/parisc/lib/bitops.c | 12 |
3 files changed, 16 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h index 118953d41763..6dd4171c9530 100644 --- a/arch/parisc/include/asm/atomic.h +++ b/arch/parisc/include/asm/atomic.h @@ -212,6 +212,8 @@ atomic64_set(atomic64_t *v, s64 i) _atomic_spin_unlock_irqrestore(v, flags); } +#define atomic64_set_release(v, i) atomic64_set((v), (i)) + static __inline__ s64 atomic64_read(const atomic64_t *v) { 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; diff --git a/arch/parisc/lib/bitops.c b/arch/parisc/lib/bitops.c index 70ffbcf889b8..2e4d1f05a926 100644 --- a/arch/parisc/lib/bitops.c +++ b/arch/parisc/lib/bitops.c @@ -79,3 +79,15 @@ unsigned long __cmpxchg_u32(volatile unsigned int *ptr, unsigned int old, unsign _atomic_spin_unlock_irqrestore(ptr, flags); return (unsigned long)prev; } + +u8 __cmpxchg_u8(volatile u8 *ptr, u8 old, u8 new) +{ + unsigned long flags; + u8 prev; + + _atomic_spin_lock_irqsave(ptr, flags); + if ((prev = *ptr) == old) + *ptr = new; + _atomic_spin_unlock_irqrestore(ptr, flags); + return prev; +} |