From: Jason Wang <jasowang@xxxxxxxxxx> Date: Thu, 13 Dec 2018 10:53:36 +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. > > Please consider them for -stable. > > Thanks > > Changes from V2: > - drop dirty page fix and make it for net-next > Changes from V1: > - silent compiler warning for 32bit. > - use mutex_trylock() on slowpath instead of mutex_lock() even on fast > path. Series applied and queued up for -stable, thanks Jason.