On Sun, Jan 29, 2023 at 06:58:09PM +0100, Eric Auger wrote: > Hi, > > On 1/17/23 16:15, Eric Auger wrote: > > When the vhost iotlb is used along with a guest virtual iommu > > and the guest gets rebooted, some MISS messages may have been > > recorded just before the reboot and spuriously executed by > > the virtual iommu after the reboot. This is due to the fact > > the pending messages are not cleared. > > > > As vhost does not have any explicit reset user API, > > VHOST_NET_SET_BACKEND looks a reasonable point where to clear > > the pending messages, in case the backend is removed (fd = -1). > > > > This version is a follow-up on the discussions held in [1]. > > > > The first patch removes an unused 'enabled' parameter in > > vhost_init_device_iotlb(). > > Gentle Ping. Does it look a reasonable fix now? > > Thanks > > Eric Yes I applied this - giving it a bit of time in next. > > > > Best Regards > > > > Eric > > > > History: > > [1] RFC: [RFC] vhost: Clear the pending messages on vhost_init_device_iotlb() > > https://lore.kernel.org/all/20221107203431.368306-1-eric.auger@xxxxxxxxxx/ > > > > Eric Auger (2): > > vhost: Remove the enabled parameter from vhost_init_device_iotlb > > vhost/net: Clear the pending messages when the backend is removed > > > > drivers/vhost/net.c | 5 ++++- > > drivers/vhost/vhost.c | 5 +++-- > > drivers/vhost/vhost.h | 3 ++- > > 3 files changed, 9 insertions(+), 4 deletions(-) > >
