From: Jordi Caubet <jordi_caubet@es.ibm.com>
Date: Wed, 12 Apr 2006 15:44:27 +0000 (+0200)
Subject: [PATCH] spufs: fix context-switch decrementer code
X-Git-Tag: v2.6.17-rc2~16^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=183b73ae7c9e4e19fa95d88e1778481899a65210;p=pandora-kernel.git

[PATCH] spufs: fix context-switch decrementer code

We found that when the 'decrementer' is saved, the PPE saves the current
time 'csa->suspend_time'. When restoring the 'decrementer', (Step 34)
decrementer seems to be adjusted with the number of cycles th= at a spu
thread has not been running.

In that code it is missing a substract ('-') because 'delta_time' is
assigned a not substracted(see bellow).

Acked-by: Mark Nutter <mnutter@us.ibm.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---

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