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| author | Qiujun Huang <hqjagain@gmail.com> | 2020-12-24 22:46:34 +0800 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2021-02-02 17:02:06 -0500 |
| commit | c6358bacdcdb64eb75192a135b66d3d3e57ad2e5 (patch) | |
| tree | b7ccf8353fbafd3145e6630c5e7ce85eb8df705f /kernel/trace/ring_buffer.c | |
| parent | 6689bed36c52e34d772603118b0a31a0a5c11013 (diff) | |
| download | lwn-c6358bacdcdb64eb75192a135b66d3d3e57ad2e5.tar.gz lwn-c6358bacdcdb64eb75192a135b66d3d3e57ad2e5.zip | |
ring-buffer: Drop unneeded check in ring_buffer_resize()
Remove the cpumask check, as we has done it at the beginning of
the function.
Also fix a typo. s/also the on the/also on the/
Link: https://lkml.kernel.org/r/20201224144634.3210-1-hqjagain@gmail.com
Signed-off-by: Qiujun Huang <hqjagain@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/ring_buffer.c')
| -rw-r--r-- | kernel/trace/ring_buffer.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 8fccee76a5f3..b9dad3500041 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -2059,10 +2059,6 @@ int ring_buffer_resize(struct trace_buffer *buffer, unsigned long size, put_online_cpus(); } else { - /* Make sure this CPU has been initialized */ - if (!cpumask_test_cpu(cpu_id, buffer->cpumask)) - goto out; - cpu_buffer = buffer->buffers[cpu_id]; if (nr_pages == cpu_buffer->nr_pages) @@ -2580,7 +2576,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer, * have filled up the buffer with events * from interrupts and such, and wrapped. * - * Note, if the tail page is also the on the + * Note, if the tail page is also on the * reader_page, we let it move out. */ if (unlikely((cpu_buffer->commit_page != |