On Thu, Jan 10, 2019 at 02:12:37PM +0000, Julien Thierry wrote: > This series was developped by Jean-Philippe and is needed for a series > I'll be posting shortly after to load firmwares on arm kvmtool. > > Currently, when a guest tries to reset a device, a lot of ressources > aren't reset (threads keep running, virtio queue keep their state, etc). > > When the guest only does the reset to initialize the device and there > were no previous users, there is no noticeable issue. But when a guest > has a firmare + Linux, if the firmware uses a virtio device, Linux will > fail to probe that device. > > This series aim to properly reset the virtio resources when the guests > requests it. > > Reset of net vhost is unsupported for now. > > Patch 1 is a bug fix on ioeventfd > Patch 2-6 provide the core support so devices can implement their reset > Patch 7-13 implements the reset for the various virtio devices Cheers, I'll pick this up. There's a vague comment in patch 10 about aio being busted. If that's the case then we should either fix it or remove it... Will
