From: Eric W. Biederman <ebiederm@xmission.com>
Date: Wed, 13 May 2009 16:55:10 +0000 (+0000)
Subject: syscall: Implement a convinience function restart_syscall
X-Git-Tag: v2.6.31-rc1~330^2~368
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=690cc3ffe33ac4a2857583c22d4c6244ae11684d;p=pandora-kernel.git

syscall: Implement a convinience function restart_syscall

Currently when we have a signal pending we have the functionality
to restart that the current system call.  There are other cases
such as nasty lock ordering issues where it makes sense to have
a simple fix that uses try lock and restarts the system call.
Buying time to figure out how to rework the locking strategy.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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