From: Dominik Dingel <dingel@linux.vnet.ibm.com>
Date: Wed, 29 Jan 2014 15:02:32 +0000 (+0100)
Subject: KVM: s390: Clear storage keys
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~39^2~8^2~67^2~52
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d4cb11340be6a1613d40d2b546cb111ea2547066;p=pandora-kernel.git

KVM: s390: Clear storage keys

page_table_reset_pgste() already does a complete page table walk to
reset the pgste. Enhance it to initialize the storage keys to
PAGE_DEFAULT_KEY if requested by the caller. This will be used
for lazy storage key handling. Also provide an empty stub for
!CONFIG_PGSTE

Lets adopt the current code (diag 308) to not clear the keys.

Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
---

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