From: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Date: Sun, 11 Mar 2012 15:59:34 +0000 (-0400)
Subject: [S390] kernel: Add OS info memory interface
X-Git-Tag: v3.4-rc1~135^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4857d4bbe9821c8d732cb84455e18e12b3d79add;p=pandora-kernel.git

[S390] kernel: Add OS info memory interface

In order to allow kdump based stand-alone dump, some information
has to be passed from the old kernel to the new dump kernel. This
is done via a the struct "os_info" that contains the following fields:
 * crashkernel base and size
 * reipl block
 * vmcoreinfo
 * init function
A pointer to os_info is stored at a well known storage location
and the whole structure as well as all fields are secured with
checksums.

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

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