On Thu, 28 Jan 2021 11:38:34 -0800 Ronak Doshi wrote: > buf_info structures in RX & TX queues are private driver data that > do not need to be visible to the device. Although there is physical > address and length in the queue descriptor that points to these > structures, their layout is not standardized, and device never looks > at them. > > So lets allocate these structures in non-DMA-able memory, and fill > physical address as all-ones and length as zero in the queue > descriptor. > > That should alleviate worries brought by Martin Radev in > https://lists.osuosl.org/pipermail/intel-wired-lan/Week-of-Mon-20210104/022829.html > that malicious vmxnet3 device could subvert SVM/TDX guarantees. > > Signed-off-by: Petr Vandrovec <p...@vmware.com> > Signed-off-by: Ronak Doshi <dos...@vmware.com>
Applied, thanks!
