tracing: Don't use tracing_record_cmdline() in workqueue tracer fix

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commit c3ffc7a40b
"Don't use tracing_record_cmdline() in workqueue tracer"
has a race window.

find_task_by_vpid() requires task_list_lock().

LKML-Reference: <20090313090042.43CD.A69D9226@jp.fujitsu.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>

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KOSAKI Motohiro 2009-03-13 09:03:04 +09:00 • committed by Steven Rostedt

parent 39842323ce

commit 889a6c3672

1 changed files with 14 additions and 6 deletions

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18

kernel/trace/trace_workqueue.c

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