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 > > 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(-) >
