diff options
| author | David Woodhouse <dwmw2@infradead.org> | 2006-09-24 22:05:59 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2006-09-24 22:05:59 +0100 |
| commit | 02b25fcff676125a88169c8a78d4c6dd647574ed (patch) | |
| tree | 372fc8e885be41ba1819b2767c8889ecd97ff948 /arch/powerpc/lib/locks.c | |
| parent | 1694176a210189312e31b083bac1e1688981219a (diff) | |
| parent | a68aa1cc6f3203b8a332683ebde67a00f39eec43 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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 |