KVM: s390: Adding skey bit to mmu context
authorDominik Dingel <dingel@linux.vnet.ibm.com>
Tue, 14 Jan 2014 14:02:11 +0000 (15:02 +0100)
committerChristian Borntraeger <borntraeger@de.ibm.com>
Tue, 22 Apr 2014 07:36:23 +0000 (09:36 +0200)
commit65eef33550f68e9a7f7d2dc64da94fb6cb85be2c
tree7a1d6447ee180fcf2f648040ac0b4439dbd908d5
parent0f689a33ad17845363acdc6d52783befd6ad116c
KVM: s390: Adding skey bit to mmu context

For lazy storage key handling, we need a mechanism to track if the
process ever issued a storage key operation.

This patch adds the basic infrastructure for making the storage
key handling optional, but still leaves it enabled for now by default.

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>
arch/s390/include/asm/mmu.h
arch/s390/include/asm/mmu_context.h
arch/s390/include/asm/pgtable.h