path: root/virt/kvm/async_pf.c
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authorGleb Natapov <gleb@redhat.com>2010-10-14 11:22:52 +0200
committerAvi Kivity <avi@redhat.com>2011-01-12 11:23:16 +0200
commit631bc4878220932fe67fc46fc7cf7cccdb1ec597 (patch)
treeac588182d02308a004d45a9c3ae6834d096e263d /virt/kvm/async_pf.c
parentfd10cde9294f73eeccbc16f3fec1ae6cde7b800c (diff)
KVM: Handle async PF in a guest.
When async PF capability is detected hook up special page fault handler that will handle async page fault events and bypass other page faults to regular page fault handler. Also add async PF handling to nested SVM emulation. Async PF always generates exit to L1 where vcpu thread will be scheduled out until page is available. Acked-by: Rik van Riel <riel@redhat.com> Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'virt/kvm/async_pf.c')
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