From: Jeff Dike <jdike@addtoit.com>
Date: Mon, 27 Mar 2006 09:14:40 +0000 (-0800)
Subject: [PATCH] uml: fix thread startup race
X-Git-Tag: v2.6.17-rc1~462
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5f4e8fd08f3993bc31a7dd91767fdb4da4fe6278;p=pandora-kernel.git

[PATCH] uml: fix thread startup race

This fixes a race in the starting of write_sigio_thread.  Previously, some of
the data needed by the thread was initialized after the clone.  If the thread
ran immediately, it would see the uninitialized data, including an empty
pollfds, which would cause it to hang.

We move the data initialization to before the clone, and adjust the error
paths and cleanup accordingly.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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