diff options
Diffstat (limited to 'arch/powerpc/platforms/iseries/setup.c')
-rw-r--r-- | arch/powerpc/platforms/iseries/setup.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c index d3e4bf756c83..7f8f0cda6a74 100644 --- a/arch/powerpc/platforms/iseries/setup.c +++ b/arch/powerpc/platforms/iseries/setup.c | |||
@@ -694,20 +694,19 @@ static void iseries_shared_idle(void) | |||
694 | if (hvlpevent_is_pending()) | 694 | if (hvlpevent_is_pending()) |
695 | process_iSeries_events(); | 695 | process_iSeries_events(); |
696 | 696 | ||
697 | preempt_enable_no_resched(); | ||
697 | schedule(); | 698 | schedule(); |
699 | preempt_disable(); | ||
698 | } | 700 | } |
699 | } | 701 | } |
700 | 702 | ||
701 | static void iseries_dedicated_idle(void) | 703 | static void iseries_dedicated_idle(void) |
702 | { | 704 | { |
703 | long oldval; | 705 | long oldval; |
706 | set_thread_flag(TIF_POLLING_NRFLAG); | ||
704 | 707 | ||
705 | while (1) { | 708 | while (1) { |
706 | oldval = test_and_clear_thread_flag(TIF_NEED_RESCHED); | 709 | if (!need_resched()) { |
707 | |||
708 | if (!oldval) { | ||
709 | set_thread_flag(TIF_POLLING_NRFLAG); | ||
710 | |||
711 | while (!need_resched()) { | 710 | while (!need_resched()) { |
712 | ppc64_runlatch_off(); | 711 | ppc64_runlatch_off(); |
713 | HMT_low(); | 712 | HMT_low(); |
@@ -720,13 +719,12 @@ static void iseries_dedicated_idle(void) | |||
720 | } | 719 | } |
721 | 720 | ||
722 | HMT_medium(); | 721 | HMT_medium(); |
723 | clear_thread_flag(TIF_POLLING_NRFLAG); | ||
724 | } else { | ||
725 | set_need_resched(); | ||
726 | } | 722 | } |
727 | 723 | ||
728 | ppc64_runlatch_on(); | 724 | ppc64_runlatch_on(); |
725 | preempt_enable_no_resched(); | ||
729 | schedule(); | 726 | schedule(); |
727 | preempt_disable(); | ||
730 | } | 728 | } |
731 | } | 729 | } |
732 | 730 | ||