diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:18:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:19:04 +0200 |
| commit | 6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch) | |
| tree | 021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /arch/powerpc/include/asm/processor.h | |
| parent | 682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff) | |
| parent | a385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff) | |
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/include/asm/processor.h')
| -rw-r--r-- | arch/powerpc/include/asm/processor.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index b585bff1a02..8e2d0371fe1 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -385,6 +385,36 @@ static inline unsigned long get_clean_sp(struct pt_regs *regs, int is_32) extern unsigned long cpuidle_disable; enum idle_boot_override {IDLE_NO_OVERRIDE = 0, IDLE_POWERSAVE_OFF}; +extern int powersave_nap; /* set if nap mode can be used in idle loop */ +void cpu_idle_wait(void); + +#ifdef CONFIG_PSERIES_IDLE +extern void update_smt_snooze_delay(int snooze); +extern int pseries_notify_cpuidle_add_cpu(int cpu); +#else +static inline void update_smt_snooze_delay(int snooze) {} +static inline int pseries_notify_cpuidle_add_cpu(int cpu) { return 0; } +#endif + +extern void flush_instruction_cache(void); +extern void hard_reset_now(void); +extern void poweroff_now(void); +extern int fix_alignment(struct pt_regs *); +extern void cvt_fd(float *from, double *to); +extern void cvt_df(double *from, float *to); +extern void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val); + +#ifdef CONFIG_PPC64 +/* + * We handle most unaligned accesses in hardware. On the other hand + * unaligned DMA can be very expensive on some ppc64 IO chips (it does + * powers of 2 writes until it reaches sufficient alignment). + * + * Based on this we disable the IP header alignment in network drivers. + */ +#define NET_IP_ALIGN 0 +#endif + #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_PROCESSOR_H */ |