diff options
| -rw-r--r-- | arch/powerpc/kernel/time.c | 8 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso.c | 12 | ||||
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/sched.c | 4 | ||||
| -rw-r--r-- | include/asm-powerpc/time.h | 5 |
4 files changed, 24 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 727a669..c627cf8 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -239,7 +239,7 @@ static void snapshot_tb_and_purr(void *data) struct cpu_purr_data *p = &__get_cpu_var(cpu_purr_data); local_irq_save(flags); - p->tb = mftb(); + p->tb = get_tb_or_rtc(); p->purr = mfspr(SPRN_PURR); wmb(); p->initialized = 1; @@ -317,7 +317,7 @@ static void snapshot_purr(void) */ void snapshot_timebase(void) { - __get_cpu_var(last_jiffy) = get_tb(); + __get_cpu_var(last_jiffy) = get_tb_or_rtc(); snapshot_purr(); } @@ -684,6 +684,8 @@ void timer_interrupt(struct pt_regs * regs) write_seqlock(&xtime_lock); tb_next_jiffy = tb_last_jiffy + tb_ticks_per_jiffy; + if (__USE_RTC() && tb_next_jiffy >= 1000000000) + tb_next_jiffy -= 1000000000; if (per_cpu(last_jiffy, cpu) >= tb_next_jiffy) { tb_last_jiffy = tb_next_jiffy; do_timer(1); @@ -977,7 +979,7 @@ void __init time_init(void) tb_to_ns_scale = scale; tb_to_ns_shift = shift; /* Save the current timebase to pretty up CONFIG_PRINTK_TIME */ - boot_tb = get_tb(); + boot_tb = get_tb_or_rtc(); tm = get_boot_time(); diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index cef01e4..213fa31 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -98,6 +98,18 @@ static struct vdso_patch_def vdso_patches[] = { CPU_FTR_USE_TB, 0, "__kernel_gettimeofday", NULL }, + { + CPU_FTR_USE_TB, 0, + "__kernel_clock_gettime", NULL + }, + { + CPU_FTR_USE_TB, 0, + "__kernel_clock_getres", NULL + }, + { + CPU_FTR_USE_TB, 0, + "__kernel_get_tbfreq", NULL + }, }; /* diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index c784edd..5bebe7f 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -579,7 +579,7 @@ static struct spu *find_victim(struct spu_context *ctx) list_for_each_entry(spu, &cbe_spu_info[node].spus, cbe_list) { struct spu_context *tmp = spu->ctx; - if (tmp->prio > ctx->prio && + if (tmp && tmp->prio > ctx->prio && (!victim || tmp->prio > victim->prio)) victim = spu->ctx; } @@ -611,9 +611,9 @@ static struct spu *find_victim(struct spu_context *ctx) mutex_lock(&cbe_spu_info[node].list_mutex); cbe_spu_info[node].nr_active--; + spu_unbind_context(spu, victim); mutex_unlock(&cbe_spu_info[node].list_mutex); - spu_unbind_context(spu, victim); victim->stats.invol_ctx_switch++; spu->stats.invol_ctx_switch++; mutex_unlock(&victim->state_mutex); diff --git a/include/asm-powerpc/time.h b/include/asm-powerpc/time.h index d7f5ddf..c104c15 100644 --- a/include/asm-powerpc/time.h +++ b/include/asm-powerpc/time.h @@ -149,6 +149,11 @@ static inline u64 get_tb(void) } #endif /* !CONFIG_PPC64 */ +static inline u64 get_tb_or_rtc(void) +{ + return __USE_RTC() ? get_rtc() : get_tb(); +} + static inline void set_tb(unsigned int upper, unsigned int lower) { mtspr(SPRN_TBWL, 0); |
