From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 20 Sep 2012 13:28:25 +0000 (-0400)
Subject: um: kill thread->forking
X-Git-Tag: v3.7-rc1~64^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a4d94ff8aa864c05b33c2de1f8c5d0176d7a4b63;p=pandora-kernel.git

um: kill thread->forking

we only use that to tell copy_thread() done by syscall from that
done by kernel_thread().  However, it's easier to do simply by
checking PF_KTHREAD in thread flags.

Merge sys_clone() guts for 32bit and 64bit, while we are at it...

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