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(parent: 9e02fb9) | patch
KVM: Enable async page fault processing
authorGleb Natapov <gleb@redhat.com>
Tue, 1 Feb 2011 11:21:47 +0000 (13:21 +0200)
committerAvi Kivity <avi@redhat.com>
Wed, 6 Apr 2011 10:15:55 +0000 (13:15 +0300)
commit0857b9e95c1af8bfe84630ef6747b9d4d61de4c6
treedf3892f624910d2a6b210e30549a6a82a79e5474tree | snapshot
parent9e02fb963352c5ad075d80dd3e852fbee9585575commit | diff
KVM: Enable async page fault processing

If asynchronous hva_to_pfn() is requested call GUP with FOLL_NOWAIT to
avoid sleeping on IO. Check for hwpoison is done at the same time,
otherwise check_user_page_hwpoison() will call GUP again and will put
vcpu to sleep.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
virt/kvm/kvm_main.c diff | blob | history
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