From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Wed, 30 Aug 2006 12:33:35 +0000 (+0200)
Subject: [S390] cio: kernel stack overflow.
X-Git-Tag: v2.6.18-rc6~31^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=292888c81e74115db5e5a4a838f730a7c3662982;p=pandora-kernel.git

[S390] cio: kernel stack overflow.

Use different kind of assignment to make sure gcc doesn't create code
that creates temp variables on the stack, assigns values to it and
copies the content of the whole temp variable to the destination.
This reduces stack usage of e.g. ccwgroup_driver_register from 976
to 48 bytes instead.

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