diff options
| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2012-11-16 11:41:51 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2012-11-16 11:41:51 +0200 |
| commit | 3c3dd225819112e56554162c6b37e61a31924e0c (patch) | |
| tree | 5bcd3a63010af2cd5bb946b5af21ef27f1dcfe3c /kernel/trace/ring_buffer.c | |
| parent | a915d4ca24b814daee9cddbc42cd41f59fe4fa8f (diff) | |
| parent | 3d70f8c617a436c7146ecb81df2265b4626dfe89 (diff) | |
Merge tag 'v3.7-rc4'
Merge Linux 3.7-rc4 to get fixes for CMA.
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) |