diff options
Diffstat (limited to 'arch/ppc64/kernel/idle.c')
| -rw-r--r-- | arch/ppc64/kernel/idle.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/ppc64/kernel/idle.c b/arch/ppc64/kernel/idle.c index 6abc621d3ba..bdf13b4dc1c 100644 --- a/arch/ppc64/kernel/idle.c +++ b/arch/ppc64/kernel/idle.c @@ -42,6 +42,11 @@ static int (*idle_loop)(void); static unsigned long maxYieldTime = 0; static unsigned long minYieldTime = 0xffffffffffffffffUL; +static inline void process_iSeries_events(void) +{ + asm volatile ("li 0,0x5555; sc" : : : "r0", "r3"); +} + static void yield_shared_processor(void) { unsigned long tb; @@ -75,13 +80,9 @@ static int iSeries_idle(void) { struct paca_struct *lpaca; long oldval; - unsigned long CTRL; /* ensure iSeries run light will be out when idle */ - clear_thread_flag(TIF_RUN_LIGHT); - CTRL = mfspr(CTRLF); - CTRL &= ~RUNLATCH; - mtspr(CTRLT, CTRL); + ppc64_runlatch_off(); lpaca = get_paca(); @@ -111,7 +112,9 @@ static int iSeries_idle(void) } } + ppc64_runlatch_on(); schedule(); + ppc64_runlatch_off(); } return 0; @@ -294,7 +297,7 @@ static int native_idle(void) if (need_resched()) schedule(); - if (cpu_is_offline(_smp_processor_id()) && + if (cpu_is_offline(raw_smp_processor_id()) && system_state == SYSTEM_RUNNING) cpu_die(); } |