From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Wed, 7 Jul 2010 13:30:10 +0000 (+0200)
Subject: padata: Check for valid padata instance on start
X-Git-Tag: v2.6.36-rc1~568^2~21
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4c879170296174bde05cd1c643dac16594edee77;p=pandora-kernel.git

padata: Check for valid padata instance on start

This patch introduces the PADATA_INVALID flag which is
checked on padata start. This will be used to mark a padata
instance as invalid, if the padata cpumask does not intersect
with the active cpumask. we change padata_start to return an
error if the PADATA_INVALID is set. Also we adapt the only
padata user, pcrypt to this change.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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