KVM: s390: Add FAULT_FLAG_RETRY_NOWAIT for guest fault
In the case of a fault, we will retry to exit sie64 but with gmap fault indication for this thread set. This makes it possible to handle async page faults. Based on a patch from Martin Schwidefsky. Signed-off-by:Dominik Dingel <dingel@linux.vnet.ibm.com> Signed-off-by:
Christian Borntraeger <borntraeger@de.ibm.com>
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- arch/s390/include/asm/pgtable.h 2 additions, 0 deletionsarch/s390/include/asm/pgtable.h
- arch/s390/include/asm/processor.h 1 addition, 0 deletionsarch/s390/include/asm/processor.h
- arch/s390/kvm/kvm-s390.c 21 additions, 2 deletionsarch/s390/kvm/kvm-s390.c
- arch/s390/mm/fault.c 22 additions, 4 deletionsarch/s390/mm/fault.c
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