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| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2011-11-17 11:00:43 +0100 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-11-17 16:25:48 +0200 |
| commit | 1eddb85f889a5a9fe59ec184e06844716a00aded (patch) | |
| tree | c789c7cd507f3e5fa5150dc8f6e44efc1e2ab866 /arch/s390/kvm/kvm-s390.c | |
| parent | bd59d3a4444e5f941c863db1a7715edf7289e29a (diff) | |
| download | linux-3.10-1eddb85f889a5a9fe59ec184e06844716a00aded.tar.gz linux-3.10-1eddb85f889a5a9fe59ec184e06844716a00aded.tar.bz2 linux-3.10-1eddb85f889a5a9fe59ec184e06844716a00aded.zip | |
KVM: s390: Fix tprot locking
There is a potential host deadlock in the tprot intercept handling.
We must not hold the mmap semaphore while resolving the guest
address. If userspace is remapping, then the memory detection in
the guest is broken anyway so we can safely separate the
address translation from walking the vmas.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/s390/kvm/kvm-s390.c')
0 files changed, 0 insertions, 0 deletions