diff options
| author |   Dave Airlie <airlied@redhat.com> | 2011-12-21 09:50:56 +0000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-12-21 09:50:56 +0000 |
| commit | 4cf73129cbe001b41be2f8b56f763fbf3acaa4ce (patch) | |
| tree | 2cdde82f48800ae1746775bab7e4f3c5f1fc3b88 /kernel | |
| parent | Merge branch 'exynos-drm-next' of git://git.infradead.org/users/kmpark/linux-samsung into drm-core-next (diff) | |
| parent | vmwgfx: Clip cliprects against screen boundaries in present and dirty (diff) | |
Merge remote-tracking branch 'pfdo/drm-fixes' into drm-core-next
-next reported a messy merge, so I've merged my upstream pull into
my -next tree.
Conflicts:
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/events/core.c | 8 | ||||
| -rw-r--r-- | kernel/sched_fair.c | 14 |
2 files changed, 14 insertions, 8 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index d3b9df5962c2..58690af323e4 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -3558,9 +3558,13 @@ static void ring_buffer_wakeup(struct perf_event *event) rcu_read_lock(); rb = rcu_dereference(event->rb); - list_for_each_entry_rcu(event, &rb->event_list, rb_entry) { + if (!rb) + goto unlock; + + list_for_each_entry_rcu(event, &rb->event_list, rb_entry) wake_up_all(&event->waitq); - } + +unlock: rcu_read_unlock(); } diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index a78ed2736ba7..8a39fa3e3c6c 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -2352,13 +2352,11 @@ again: if (!smt && (sd->flags & SD_SHARE_CPUPOWER)) continue; - if (!(sd->flags & SD_SHARE_PKG_RESOURCES)) { - if (!smt) { - smt = 1; - goto again; - } + if (smt && !(sd->flags & SD_SHARE_CPUPOWER)) + break; + + if (!(sd->flags & SD_SHARE_PKG_RESOURCES)) break; - } sg = sd->groups; do { @@ -2378,6 +2376,10 @@ next: sg = sg->next; } while (sg != sd->groups); } + if (!smt) { + smt = 1; + goto again; + } done: rcu_read_unlock(); |