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Tsirkin" To: Si-Wei Liu Cc: Xuan Zhuo , netdev@vger.kernel.org, Jason Wang , Jakub Kicinski , "David S. Miller" , Eric Dumazet , Paolo Abeni , virtualization@lists.linux.dev, Darren Kenny , Boris Ostrovsky Subject: Re: [PATCH net-next v5 1/4] virtio_ring: enable premapped mode whatever use_dma_api Message-ID: <20240814025926-mutt-send-email-mst@kernel.org> References: <20240511031404.30903-1-xuanzhuo@linux.alibaba.com> <20240511031404.30903-2-xuanzhuo@linux.alibaba.com> <8b20cc28-45a9-4643-8e87-ba164a540c0a@oracle.com> <20240813154458-mutt-send-email-mst@kernel.org> <3a6bc28d-dc53-430f-b308-b639276bdc39@oracle.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <3a6bc28d-dc53-430f-b308-b639276bdc39@oracle.com> On Tue, Aug 13, 2024 at 08:39:53PM -0700, Si-Wei Liu wrote: > Hi Michael, > > I'll look for someone else from Oracle to help you on this, as the relevant > team already did verify internally that reverting all 4 patches from this > series could help address the regression. Just reverting one single commit > won't help. > >   9719f039d328 virtio_net: remove the misleading comment >   defd28aa5acb virtio_net: rx remove premapped failover code >   a377ae542d8d virtio_net: big mode skip the unmap check >   f9dac92ba908 virtio_ring: enable premapped mode whatever use_dma_api > > In case I fail to get someone to help, could you work with Darren (cc'ed) > directly? He could reach out to the corresponding team in Oracle to help > with testing. > > Thanks, > -Siwei > OK, I posted an untested revert for your testing: Message-ID: <20240511031404.30903-1-xuanzhuo@linux.alibaba.com> > On 8/13/2024 12:46 PM, Michael S. Tsirkin wrote: > > Want to post a patchset to revert? > >