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authorHaozhong Zhang <haozhong.zhang@intel.com>2018-01-10 21:44:42 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2018-01-11 14:05:19 +0100
commit2a266f23550be997d783f27e704b9b40c4010292 (patch)
tree0fdc42fed9efdae46af0004f451b5dc7d499e834 /Documentation
parentb2cd1df66037e7c4697c7e40496bf7e4a5e16a2d (diff)
KVM MMU: check pending exception before injecting APF
For example, when two APF's for page ready happen after one exit and the first one becomes pending, the second one will result in #DF. Instead, just handle the second page fault synchronously. Reported-by: Ross Zwisler <zwisler@gmail.com> Message-ID: <CAOxpaSUBf8QoOZQ1p4KfUp0jq76OKfGY4Uxs-Gg8ngReD99xww@mail.gmail.com> Reported-by: Alec Blayne <ab@tevsa.net> Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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