Paolo Bonzini 7d506c90af async: optimize aio_bh_poll ...

Avoid entering the slow path of qemu_lockcnt_dec_and_lock if
no bottom half has to be deleted.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 20170112180800.21085-11-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

2017-01-16 13:25:18 +00:00

10 KiB

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