Re: [PATCH net V2 0/4] Fix various issue of vhost

From: David Miller
Date: Wed Dec 12 2018 - 18:31:42 EST

From: Jason Wang <jasowang@xxxxxxxxxx>
Date: Wed, 12 Dec 2018 18:08:15 +0800

> This series tries to fix various issues of vhost:
> - Patch 1 adds a missing write barrier between used idx updating and
> logging.
> - Patch 2-3 brings back the protection of device IOTLB through vq
> mutex, this fixes possible use after free in device IOTLB entries.
> - Patch 4-7 fixes the diry page logging when device IOTLB is
> enabled. We should done through GPA instead of GIOVA, this was done
> through intorudce HVA->GPA reverse mapping and convert HVA to GPA
> during logging dirty pages.
> Please consider them for -stable.
> Thanks
> Changes from V1:
> - silent compiler warning for 32bit.
> - use mutex_trylock() on slowpath instead of mutex_lock() even on fast
> path.

Hello Jason.

Look like Michael wants you to split out patch #4 and target
net-next with it.

So please do that and respin the first 3 patches here with Michael's