From: John David Anglin <dave@hiauly1.hia.nrc.ca>
Date: Sun, 11 Apr 2010 17:26:34 +0000 (+0000)
Subject: parisc: LWS fixes for syscall.S
X-Git-Tag: v2.6.35-rc1~14^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f4c0346c6f350d51aac7ed87e266a4257bdbe506;p=pandora-kernel.git

parisc: LWS fixes for syscall.S

1) Gate immediately and save a branch.
2) Fix off by one error in checking entry number.
3) Use sr7 instead of sr3 in error return path as sr3 might not
   contain correct value.
4) Enable locking on UP systems to prevent incorrect operation of
   the cas_action critical region on page faults.

Tested on several systems, including UP c3750 with 2.6.33.2 kernel.

Signed-off-by: John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
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