Re: [PATCH v3 3/3] vhost: Don't call log_access_ok() when using IOTLB

On 2020/10/3 下午6:02, Greg Kurz wrote: When the IOTLB device is enabled, the log_guest_addr that is passed by userspace to the VHOST_SET_VRING_ADDR ioctl, and which is then written to vq->log_addr, is a GIOVA. All writes to this address are translated by log_user() to writes to an HVA, and then

[PATCH v3 3/3] vhost: Don't call log_access_ok() when using IOTLB

When the IOTLB device is enabled, the log_guest_addr that is passed by userspace to the VHOST_SET_VRING_ADDR ioctl, and which is then written to vq->log_addr, is a GIOVA. All writes to this address are translated by log_user() to writes to an HVA, and then ultimately logged through the correspondin