From: Arnd Bergmann <arnd@arndb.de>
Date: Wed, 4 Jan 2006 19:31:22 +0000 (+0100)
Subject: [PATCH] spufs: dont hold root->isem in spu_forget
X-Git-Tag: v2.6.16-rc1~666^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c8ca0633e5f2bceab7b4eba4475820fd7674dece;p=pandora-kernel.git

[PATCH] spufs: dont hold root->isem in spu_forget

spu_forget will do mmput on the DMA address space,
which can lead to lots of other stuff getting triggered.
We better not hold a semaphore here that we might
need in the process.

Noticed by Al Viro.

Signed-off-by: Arnd Bergmann <arndb@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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