summaryrefslogtreecommitdiffstats
path: root/kernel/trace/ring_buffer.c
diff options
context:
space:
mode:
authorBrian Norris <computersforpeace@gmail.com>2014-07-20 23:59:16 -0700
committerBrian Norris <computersforpeace@gmail.com>2014-07-21 00:01:16 -0700
commitd0d5864676dbccfb1337864a0ae6ce97e6342678 (patch)
tree7caa674ec05a1797054cd4304f0a047b6dacddd6 /kernel/trace/ring_buffer.c
parent6534e6809e6c9d48114b537afe03bee3fd33bf01 (diff)
parent9a3c4145af32125c5ee39c0272662b47307a8323 (diff)
downloadtalos-op-linux-d0d5864676dbccfb1337864a0ae6ce97e6342678.tar.gz
talos-op-linux-d0d5864676dbccfb1337864a0ae6ce97e6342678.zip
Merge tag 'v3.16-rc6' into MTD development branch
Linux 3.16-rc6
Diffstat (limited to 'kernel/trace/ring_buffer.c')
-rw-r--r--kernel/trace/ring_buffer.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 7c56c3d06943..ff7027199a9a 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -616,10 +616,6 @@ int ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu,
struct ring_buffer_per_cpu *cpu_buffer;
struct rb_irq_work *work;
- if ((cpu == RING_BUFFER_ALL_CPUS && !ring_buffer_empty(buffer)) ||
- (cpu != RING_BUFFER_ALL_CPUS && !ring_buffer_empty_cpu(buffer, cpu)))
- return POLLIN | POLLRDNORM;
-
if (cpu == RING_BUFFER_ALL_CPUS)
work = &buffer->irq_work;
else {
OpenPOWER on IntegriCloud