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authorGleb Natapov <gleb@redhat.com>2011-02-01 14:21:47 +0300
committerAvi Kivity <avi@redhat.com>2011-04-06 14:15:55 +0400
commit0857b9e95c1af8bfe84630ef6747b9d4d61de4c6 (patch)
treedf3892f624910d2a6b210e30549a6a82a79e5474 /arch
parent9e02fb963352c5ad075d80dd3e852fbee9585575 (diff)
downloadlinux-0857b9e95c1af8bfe84630ef6747b9d4d61de4c6.tar.xz
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>
Diffstat (limited to 'arch')
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