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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-21 08:49:52 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-21 08:49:52 -0800 |
| commit | 341031caec0cd730e84d248d95851bf54ec4e41f (patch) | |
| tree | f9531f3bef8446e0eb2f9f4ba1ed6fa1000585c8 | |
| parent | 836f48c5f8c6ef004419f1605514aa05eb58eefb (diff) | |
| parent | 6d558c3ac9b6508d26fd5cadccce51fc9d726b1c (diff) | |
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Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
sched: Reassign prev and switch_count when reacquire_kernel_lock() fail
sched: Fix vmark regression on big machines
| -rw-r--r-- | include/linux/topology.h | 2 | ||||
| -rw-r--r-- | kernel/sched.c | 5 | ||||
| -rw-r--r-- | kernel/sched_fair.c | 2 |
3 files changed, 6 insertions, 3 deletions
diff --git a/include/linux/topology.h b/include/linux/topology.h index 57e6357..5b81156 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h @@ -99,7 +99,7 @@ int arch_update_cpu_topology(void); | 1*SD_WAKE_AFFINE \ | 1*SD_SHARE_CPUPOWER \ | 0*SD_POWERSAVINGS_BALANCE \ - | 0*SD_SHARE_PKG_RESOURCES \ + | 1*SD_SHARE_PKG_RESOURCES \ | 0*SD_SERIALIZE \ | 0*SD_PREFER_SIBLING \ , \ diff --git a/kernel/sched.c b/kernel/sched.c index c535cc4..4508fe7 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -5530,8 +5530,11 @@ need_resched_nonpreemptible: post_schedule(rq); - if (unlikely(reacquire_kernel_lock(current) < 0)) + if (unlikely(reacquire_kernel_lock(current) < 0)) { + prev = rq->curr; + switch_count = &prev->nivcsw; goto need_resched_nonpreemptible; + } preempt_enable_no_resched(); if (need_resched()) diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 42ac3c9..8fe7ee8 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -1508,7 +1508,7 @@ static int select_task_rq_fair(struct task_struct *p, int sd_flag, int wake_flag * If there's an idle sibling in this domain, make that * the wake_affine target instead of the current cpu. */ - if (tmp->flags & SD_PREFER_SIBLING) + if (tmp->flags & SD_SHARE_PKG_RESOURCES) target = select_idle_sibling(p, tmp, target); if (target >= 0) { |