[libvirt] [PATCH v2] qemu: domain I/O asynchronous handling

[Eric Blake]

On 06/20/2011 04:33 AM, Michal Privoznik wrote:
> For virtio disks and interfaces, qemu allows users to enable or disable
> ioeventfd feature. This means, qemu can execute domain code, while
> another thread waits for I/O event. Basically, in some cases it is win,
> in some loss. This feature is available via 'ioeventfd' attribute in disk
> and interface <driver> element. It accepts 'on' and 'off'. Leaving this
> attribute out defaults to hypervisor decision.
> ---
> diff to v1:
> -reverted to 'ioeventfd' attribute:
>   https://www.redhat.com/archives/libvir-list/2011-June/msg00712.html

ACK.

-- 
Eric Blake   eblake at redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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