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authorTrond Myklebust <trond.myklebust@primarydata.com>2015-04-23 15:16:37 -0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-04-23 15:16:37 -0400
commitf139b6c676c7e49b66016b28bf3f8ec5c54be891 (patch)
tree742f00e431dded1daf642b44f4c199b318f255dc /kernel/events
parent21330b667070fd64b2340d8d31c1b0800df78ec8 (diff)
parentd654788e98f74f2df8dfc6079fa314938f739486 (diff)
Merge tag 'nfs-rdma-for-4.1-1' of git://git.linux-nfs.org/projects/anna/nfs-rdma
NFS: NFSoRDMA Client Changes This patch series creates an operation vector for each of the different memory registration modes. This should make it easier to one day increase credit limit, rsize, and wsize. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'kernel/events')
-rw-r--r--kernel/events/core.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index f04daabfd1cf..2fabc0627165 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -3591,7 +3591,7 @@ static void put_event(struct perf_event *event)
ctx = perf_event_ctx_lock_nested(event, SINGLE_DEPTH_NESTING);
WARN_ON_ONCE(ctx->parent_ctx);
perf_remove_from_context(event, true);
- mutex_unlock(&ctx->mutex);
+ perf_event_ctx_unlock(event, ctx);
_free_event(event);
}
@@ -4574,6 +4574,13 @@ static void perf_pending_event(struct irq_work *entry)
{
struct perf_event *event = container_of(entry,
struct perf_event, pending);
+ int rctx;
+
+ rctx = perf_swevent_get_recursion_context();
+ /*
+ * If we 'fail' here, that's OK, it means recursion is already disabled
+ * and we won't recurse 'further'.
+ */
if (event->pending_disable) {
event->pending_disable = 0;
@@ -4584,6 +4591,9 @@ static void perf_pending_event(struct irq_work *entry)
event->pending_wakeup = 0;
perf_event_wakeup(event);
}
+
+ if (rctx >= 0)
+ perf_swevent_put_recursion_context(rctx);
}
/*