diff options
| author | Christopher M. Riedl <cmr@informatik.wtf> | 2019-08-13 05:13:13 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-08-27 05:03:36 +0200 |
| commit | 31391ff7ea1ef557a804475436501f33ff0ead95 (patch) | |
| tree | 8a8c2e0d24a16c7a892d708a43d4caa5798d6bd6 /arch/powerpc | |
| parent | powerpc/spinlocks: Refactor SHARED_PROCESSOR (diff) | |
| download | linux-31391ff7ea1ef557a804475436501f33ff0ead95.tar.xz linux-31391ff7ea1ef557a804475436501f33ff0ead95.zip | |
powerpc/spinlocks: Rename SPLPAR-only spinlocks
The __rw_yield and __spin_yield locks only pertain to SPLPAR mode.
Rename them to make this relationship obvious.
Signed-off-by: Christopher M. Riedl <cmr@informatik.wtf>
Reviewed-by: Andrew Donnellan <ajd@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190813031314.1828-3-cmr@informatik.wtf
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/spinlock.h | 6 | ||||
| -rw-r--r-- | arch/powerpc/lib/locks.c | 6 |
2 files changed, 7 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h index e9c60fbcc8fe..0d04d468f660 100644 --- a/arch/powerpc/include/asm/spinlock.h +++ b/arch/powerpc/include/asm/spinlock.h @@ -101,8 +101,10 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock) #if defined(CONFIG_PPC_SPLPAR) /* We only yield to the hypervisor if we are in shared processor mode */ -extern void __spin_yield(arch_spinlock_t *lock); -extern void __rw_yield(arch_rwlock_t *lock); +void splpar_spin_yield(arch_spinlock_t *lock); +void splpar_rw_yield(arch_rwlock_t *lock); +#define __spin_yield(x) splpar_spin_yield(x) +#define __rw_yield(x) splpar_rw_yield(x) #else /* SPLPAR */ #define __spin_yield(x) barrier() #define __rw_yield(x) barrier() diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c index 6550b9e5ce5f..6440d5943c00 100644 --- a/arch/powerpc/lib/locks.c +++ b/arch/powerpc/lib/locks.c @@ -18,7 +18,7 @@ #include <asm/hvcall.h> #include <asm/smp.h> -void __spin_yield(arch_spinlock_t *lock) +void splpar_spin_yield(arch_spinlock_t *lock) { unsigned int lock_value, holder_cpu, yield_count; @@ -36,14 +36,14 @@ void __spin_yield(arch_spinlock_t *lock) plpar_hcall_norets(H_CONFER, get_hard_smp_processor_id(holder_cpu), yield_count); } -EXPORT_SYMBOL_GPL(__spin_yield); +EXPORT_SYMBOL_GPL(splpar_spin_yield); /* * Waiting for a read lock or a write lock on a rwlock... * This turns out to be the same for read and write locks, since * we only know the holder if it is write-locked. */ -void __rw_yield(arch_rwlock_t *rw) +void splpar_rw_yield(arch_rwlock_t *rw) { int lock_value; unsigned int holder_cpu, yield_count; |