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author | Christian Borntraeger <borntraeger@de.ibm.com> | 2011-09-20 15:07:28 (GMT) |
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committer | Heiko Carstens <heiko.carstens@de.ibm.com> | 2011-09-20 15:07:34 (GMT) |
commit | 480e5926ce3bb61ec229be2dab08bdce8abb8d2e (patch) | |
tree | b252230da3bba55a8e4ebd747767257c781670d7 /include | |
parent | 9d037a777695993ec7437e5f451647dea7919d4c (diff) | |
download | linux-fsl-qoriq-480e5926ce3bb61ec229be2dab08bdce8abb8d2e.tar.xz |
[S390] kvm: fix address mode switching
598841ca9919d008b520114d8a4378c4ce4e40a1 ([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>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions