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| author | Gleb Natapov <gleb@redhat.com> | 2011-02-01 12:21:47 +0100 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-04-06 12:15:55 +0200 |
| commit | 0857b9e95c1af8bfe84630ef6747b9d4d61de4c6 (patch) | |
| tree | df3892f624910d2a6b210e30549a6a82a79e5474 /Documentation/filesystems/directory-locking | |
| parent | KVM: fix crash on irqfd deassign (diff) | |
| download | linux-0857b9e95c1af8bfe84630ef6747b9d4d61de4c6.tar.xz linux-0857b9e95c1af8bfe84630ef6747b9d4d61de4c6.zip | |
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 'Documentation/filesystems/directory-locking')
0 files changed, 0 insertions, 0 deletions