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| author | Paolo Bonzini | 2014-07-09 11:53:01 +0200 |
|---|---|---|
| committer | Stefan Hajnoczi | 2014-08-29 11:46:58 +0200 |
| commit | 845ca10dd089b4e48f0a79bad005fb30eb77584e (patch) | |
| tree | 18d8041935c716ea293399136f769dafdbd8614d /docs | |
| parent | blockdev: fix drive-mirror 'granularity' error message (diff) | |
| download | qemu-845ca10dd089b4e48f0a79bad005fb30eb77584e.tar.gz qemu-845ca10dd089b4e48f0a79bad005fb30eb77584e.tar.xz qemu-845ca10dd089b4e48f0a79bad005fb30eb77584e.zip | |
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>
Diffstat (limited to 'docs')
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