Messages in this thread | | | Date | Thu, 28 Jan 2021 03:20:52 +0100 | From | Andrew Lunn <> | Subject | Re: [PATCH v5 net-next] From: Petr Vandrovec <> |
| |
On Wed, Jan 27, 2021 at 06:08:16PM -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 <petr@vmware.com> > Signed-off-by: Ronak Doshi <doshir@vmware.com>
Hi Ronak
The Subject line is still messed up, it contains Petr name rather than a subject.
Andrew
| |