diff options
| author | Alexander Graf <agraf@suse.de> | 2012-10-31 13:36:18 +0100 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2012-10-31 13:36:18 +0100 |
| commit | 0588000eac9ba4178cebade437da3b28e8fad48f (patch) | |
| tree | 697e514a0a0193f17a54f372dd18c5cd3927e154 /kernel/trace/ring_buffer.c | |
| parent | 8b5869ad85f703ffeb25e656eab826f6b85b984c (diff) | |
| parent | 81c52c56e2b43589091ee29038bcf793d3f184ab (diff) | |
Merge commit 'origin/queue' into for-queue
Conflicts:
arch/powerpc/include/asm/Kbuild
arch/powerpc/include/uapi/asm/Kbuild
Diffstat (limited to 'kernel/trace/ring_buffer.c')
| -rw-r--r-- | kernel/trace/ring_buffer.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index b32ed0e385a..b979426d16c 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -1567,6 +1567,10 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size, put_online_cpus(); } else { + /* Make sure this CPU has been intitialized */ + if (!cpumask_test_cpu(cpu_id, buffer->cpumask)) + goto out; + cpu_buffer = buffer->buffers[cpu_id]; if (nr_pages == cpu_buffer->nr_pages) |