diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2006-09-27 19:57:54 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-09-27 19:57:54 +0100 |
| commit | 2dc94310bd94d0906febea7d0f7c188da620c952 (patch) | |
| tree | 6de4096f1887e2c00966177354b1c378e59bd632 /arch/powerpc/lib/locks.c | |
| parent | c06015148fa9a3cc452ec7121b8c3f59f4a7d6ac (diff) | |
| parent | fb60cf4ab52f3520c2119aa42f7d4ed8e7594eb6 (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/tmlind/linux-omap-upstream into devel
Diffstat (limited to 'arch/powerpc/lib/locks.c')
| -rw-r--r-- | arch/powerpc/lib/locks.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c index 077bed7dc52..80b482ca30d 100644 --- a/arch/powerpc/lib/locks.c +++ b/arch/powerpc/lib/locks.c @@ -23,6 +23,7 @@ #include <asm/hvcall.h> #include <asm/iseries/hv_call.h> #include <asm/smp.h> +#include <asm/firmware.h> void __spin_yield(raw_spinlock_t *lock) { @@ -39,13 +40,12 @@ void __spin_yield(raw_spinlock_t *lock) rmb(); if (lock->slock != lock_value) return; /* something has changed */ -#ifdef CONFIG_PPC_ISERIES - HvCall2(HvCallBaseYieldProcessor, HvCall_YieldToProc, - ((u64)holder_cpu << 32) | yield_count); -#else - plpar_hcall_norets(H_CONFER, get_hard_smp_processor_id(holder_cpu), - yield_count); -#endif + if (firmware_has_feature(FW_FEATURE_ISERIES)) + HvCall2(HvCallBaseYieldProcessor, HvCall_YieldToProc, + ((u64)holder_cpu << 32) | yield_count); + else + plpar_hcall_norets(H_CONFER, + get_hard_smp_processor_id(holder_cpu), yield_count); } /* @@ -69,13 +69,12 @@ void __rw_yield(raw_rwlock_t *rw) rmb(); if (rw->lock != lock_value) return; /* something has changed */ -#ifdef CONFIG_PPC_ISERIES - HvCall2(HvCallBaseYieldProcessor, HvCall_YieldToProc, - ((u64)holder_cpu << 32) | yield_count); -#else - plpar_hcall_norets(H_CONFER, get_hard_smp_processor_id(holder_cpu), - yield_count); -#endif + if (firmware_has_feature(FW_FEATURE_ISERIES)) + HvCall2(HvCallBaseYieldProcessor, HvCall_YieldToProc, + ((u64)holder_cpu << 32) | yield_count); + else + plpar_hcall_norets(H_CONFER, + get_hard_smp_processor_id(holder_cpu), yield_count); } #endif |