diff options
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/include/asm/mutex.h | 9 | ||||
| -rw-r--r-- | arch/s390/include/asm/processor.h | 5 | ||||
| -rw-r--r-- | arch/s390/kernel/processor.c | 4 |
3 files changed, 5 insertions, 13 deletions
diff --git a/arch/s390/include/asm/mutex.h b/arch/s390/include/asm/mutex.h deleted file mode 100644 index 458c1f7fbc18..000000000000 --- a/arch/s390/include/asm/mutex.h +++ /dev/null @@ -1,9 +0,0 @@ -/* - * Pull in the generic implementation for the mutex fastpath. - * - * TODO: implement optimized primitives instead, or leave the generic - * implementation in place, or pick the atomic_xchg() based generic - * implementation. (see asm-generic/mutex-xchg.h for details) - */ - -#include <asm-generic/mutex-dec.h> diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index 602af692efdc..9d3a21aedc97 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -234,9 +234,10 @@ static inline unsigned short stap(void) /* * Give up the time slice of the virtual PU. */ -void cpu_relax(void); +#define cpu_relax_yield cpu_relax_yield +void cpu_relax_yield(void); -#define cpu_relax_lowlatency() barrier() +#define cpu_relax() barrier() #define ECAG_CACHE_ATTRIBUTE 0 #define ECAG_CPU_ATTRIBUTE 1 diff --git a/arch/s390/kernel/processor.c b/arch/s390/kernel/processor.c index 81d0808085e6..9e60ef144d03 100644 --- a/arch/s390/kernel/processor.c +++ b/arch/s390/kernel/processor.c @@ -53,7 +53,7 @@ void s390_update_cpu_mhz(void) on_each_cpu(update_cpu_mhz, NULL, 0); } -void notrace cpu_relax(void) +void notrace cpu_relax_yield(void) { if (!smp_cpu_mtid && MACHINE_HAS_DIAG44) { diag_stat_inc(DIAG_STAT_X044); @@ -61,7 +61,7 @@ void notrace cpu_relax(void) } barrier(); } -EXPORT_SYMBOL(cpu_relax); +EXPORT_SYMBOL(cpu_relax_yield); /* * cpu_init - initializes state that is per-CPU. |