Christian Borntraeger 480e5926ce [S390] kvm: fix address mode switching ... 598841ca99 ([S390] use gmap address spaces for kvm guest images) changed kvm to use a separate address space for kvm guests. This address space was switched in __vcpu_run In some cases (preemption, page fault) there is the possibility that this address space switch is lost. The typical symptom was a huge amount of validity intercepts or random guest addressing exceptions. Fix this by doing the switch in sie_loop and sie_exit and saving the address space in the gmap structure itself. Also use the preempt notifier. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Acked-by: Avi Kivity <avi@redhat.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>		2011-09-20 17:07:34 +02:00
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asm	[S390] kvm: fix address mode switching	2011-09-20 17:07:34 +02:00