From: Kees Cook <keescook@chromium.org>
Date: Thu, 18 Oct 2012 21:53:58 +0000 (-0700)
Subject: Yama: add RCU to drop read locking
X-Git-Tag: v3.8-rc1~90^2~2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=93b69d437effff11b1c37f330d3265c37ec2f84b;p=pandora-kernel.git

Yama: add RCU to drop read locking

Stop using spinlocks in the read path. Add RCU list to handle the readers.

Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>
Acked-by: John Johansen <john.johansen@canonical.com>
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