From: David Howells <dhowells@redhat.com>
Date: Tue, 4 May 2010 12:42:53 +0000 (+0100)
Subject: Fix the x86_64 implementation of call_rwsem_wait()
X-Git-Tag: v2.6.34-rc7~28
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a66f6375bdeb64d7a56c532bda7c006358845820;p=pandora-kernel.git

Fix the x86_64 implementation of call_rwsem_wait()

The x86_64 call_rwsem_wait() treats the active state counter part of the
R/W semaphore state as being 16-bit when it's actually 32-bit (it's half
of the 64-bit state).  It should do "decl %edx" not "decw %dx".

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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