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| author |   Paolo Bonzini <pbonzini@redhat.com> | 2016-12-12 10:12:53 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-12-16 17:53:38 +0100 |
| commit | 3f5ad8be3713572f3946b69eb376206153d0ea2d (patch) | |
| tree | 90ca8a72bf9fd7fc79652a8c772f00ae32574606 /Documentation/DMA-API.txt | |
| parent | KVM: x86: Expose Intel AVX512IFMA/AVX512VBMI/SHA features to guest. (diff) | |
| download | wireguard-linux-3f5ad8be3713572f3946b69eb376206153d0ea2d.tar.xz wireguard-linux-3f5ad8be3713572f3946b69eb376206153d0ea2d.zip | |
KVM: hyperv: fix locking of struct kvm_hv fields
Introduce a new mutex to avoid an AB-BA deadlock between kvm->lock and
vcpu->mutex. Protect accesses in kvm_hv_setup_tsc_page too, as suggested
by Roman.
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'Documentation/DMA-API.txt')
0 files changed, 0 insertions, 0 deletions