path: root/docs/qmp
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authorPaolo Bonzini <pbonzini@redhat.com>2014-07-09 11:53:01 +0200
committerStefan Hajnoczi <stefanha@redhat.com>2014-08-29 10:46:58 +0100
commit845ca10dd089b4e48f0a79bad005fb30eb77584e (patch)
tree18d8041935c716ea293399136f769dafdbd8614d /docs/qmp
parent3cbbe9fd1feaf3264f745fccb0bf5f62c583078f (diff)
AioContext: take bottom halves into account when computing aio_poll timeout
Right now, QEMU invokes aio_bh_poll before the "poll" phase of aio_poll. It is simpler to do it afterwards and skip the "poll" phase altogether when the OS-dependent parts of AioContext are invoked from GSource. This way, AioContext behaves more similarly when used as a GSource vs. when used as stand-alone. As a start, take bottom halves into account when computing the poll timeout. If a bottom half is ready, do a non-blocking poll. As a side effect, this makes idle bottom halves work with aio_poll; an improvement, but not really an important one since they are deprecated. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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