[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date: Wed, 12 Dec 2018 18:08:15 +0800
From: Jason Wang <jasowang@...hat.com>
To: mst@...hat.com, jasowang@...hat.com, kvm@...r.kernel.org,
virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH net V2 0/4] Fix various issue of vhost
Hi:
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.
Jason Wang (4):
vhost: make sure used idx is seen before log in vhost_add_used_n()
vhost_net: switch to use mutex_trylock() in vhost_net_busy_poll()
Revert "net: vhost: lock the vqs one by one"
vhost: log dirty page correctly
drivers/vhost/net.c | 11 ++++-
drivers/vhost/vhost.c | 102 ++++++++++++++++++++++++++++++++++--------
drivers/vhost/vhost.h | 3 +-
3 files changed, 95 insertions(+), 21 deletions(-)
--
2.17.1
Powered by blists - more mailing lists