um: take cleaning singlestep to start_thread()
authorAl Viro <viro@zeniv.linux.org.uk>
Mon, 3 Sep 2012 07:24:18 +0000 (03:24 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Thu, 20 Sep 2012 13:53:00 +0000 (09:53 -0400)
... assuming it's needed to be done at all

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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