tracing: protect ring_buffer_expanded with trace_types_lock

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Impact: prevent races with ring_buffer_expanded

This patch places the expanding of the tracing buffer under the
protection of the trace_types_lock mutex. It is highly unlikely
that there would be any contention, but better safe than sorry.

Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>

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Steven Rostedt 2009-03-12 11:33:20 -04:00

parent a123c52b46

commit 1027fcb206

1 changed files with 4 additions and 1 deletions

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kernel/trace/trace.c

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