From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Thu, 6 Sep 2012 13:19:08 +0000 (+0200)
Subject: s390/kexec: change return value of machine_kexec_prepare
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~81^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d978386e79412e45d1aea81eee345dac23d20865;p=pandora-kernel.git

s390/kexec: change return value of machine_kexec_prepare

Returning -ENOSYS on kexec_load() is a bad idea since user space cannot
tell if the system call is not implmented or if it failed.
Use -EOPNOTSUPP in case somebody tries a kexec_load on a NSS image based
kernel instead.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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