From: Steven Rostedt <rostedt@goodmis.org>
Date: Wed, 12 Nov 2008 05:01:26 +0000 (-0500)
Subject: ring-buffer: fix deadlock from reader_lock in read_start
X-Git-Tag: v2.6.29-rc1~586^2~72^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=642edba5f5c545772b89907cf96134c73d6073c7;p=pandora-kernel.git

ring-buffer: fix deadlock from reader_lock in read_start

Impact: deadlock fix in ring_buffer_read_start

The ring_buffer_iter_reset was called from ring_buffer_read_start
where both grabbed the reader_lock.

This patch separates out the internals of ring_buffer_iter_reset
to its own function so that both APIs may grab the reader_lock.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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