KVM: s390: pfmf: support conditional-sske facility

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We already indicate that facility but don't implement it in our pfmf
interception handler. Let's add a new storage key handling function for
conditionally setting the guest storage key.

As we will reuse this function later on, let's directly implement returning
the old key via parameter and indicating if any change happened via rc.

Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>

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David Hildenbrand 2016-05-10 09:43:11 +02:00 • committed by Christian Borntraeger

parent 2c26d1d23a

commit 1824c723ac

3 changed files with 50 additions and 4 deletions

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3

arch/s390/include/asm/pgtable.h

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18

arch/s390/kvm/priv.c

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33

arch/s390/mm/pgtable.c

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