From: Michael Holzheu <holzheu@de.ibm.com>
Date: Fri, 15 Dec 2006 16:18:27 +0000 (+0100)
Subject: [S390] Save prefix register for dump on panic
X-Git-Tag: v2.6.20-rc2~127^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=da1cf23efe0c067ef95e4702b386e6e1baab10c7;p=pandora-kernel.git

[S390] Save prefix register for dump on panic

The dump tools expect that the saved prefix register points to the
lowcore of the dump cpu. Since we set the prefix register to 0 during
reipl/dump, we have to save the original prefix register. Before we
start the dump program, we copy the original prefix register to the
designated location in the lowcore.

Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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