From: Tejun Heo <tj@kernel.org>
Date: Fri, 18 Jan 2013 22:05:56 +0000 (-0800)
Subject: workqueue: implement current_is_async()
X-Git-Tag: v3.9-rc1~158^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=84b233adcca3cacd5cfa8013a5feda7a3db4a9af;p=pandora-kernel.git

workqueue: implement current_is_async()

This function queries whether %current is an async worker executing an
async item.  This will be used to implement warning on synchronous
request_module() from async workers.

Signed-off-by: Tejun Heo <tj@kernel.org>
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