From: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Date: Mon, 23 Apr 2007 19:08:10 +0000 (+0200)
Subject: [POWERPC] spufs: add memory barriers after set_bit
X-Git-Tag: v2.6.22-rc1~1109^2~72^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=390c53430498c9973e015432806edd53b2efe6c6;p=pandora-kernel.git

[POWERPC] spufs: add memory barriers after set_bit

set_bit does not guarantee ordering on powerpc, so using it
for communication between threads requires explicit
mb() calls.

Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
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