From: "Michael S. Tsirkin" <mst@redhat.com>
To: Si-Wei Liu <si-wei.liu@oracle.com>
Cc: Xuan Zhuo <xuanzhuo@linux.alibaba.com>,
netdev@vger.kernel.org, Jason Wang <jasowang@redhat.com>,
Jakub Kicinski <kuba@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
virtualization@lists.linux.dev,
Darren Kenny <darren.kenny@oracle.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: Re: [PATCH net-next v5 1/4] virtio_ring: enable premapped mode whatever use_dma_api
Date: Wed, 14 Aug 2024 03:00:02 -0400 [thread overview]
Message-ID: <20240814025926-mutt-send-email-mst@kernel.org> (raw)
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?
> >
next prev parent reply other threads:[~2024-08-14 7:00 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-11 3:14 [PATCH net-next v5 0/4] virtio_net: rx enable premapped mode by default Xuan Zhuo
2024-05-11 3:14 ` [PATCH net-next v5 1/4] virtio_ring: enable premapped mode whatever use_dma_api Xuan Zhuo
2024-08-13 19:28 ` Si-Wei Liu
2024-08-13 19:46 ` Michael S. Tsirkin
2024-08-14 3:39 ` Si-Wei Liu
2024-08-14 7:00 ` Michael S. Tsirkin [this message]
2024-08-17 13:20 ` Xuan Zhuo
2024-08-20 1:06 ` Si-Wei Liu
2024-08-20 6:19 ` Xuan Zhuo
2024-05-11 3:14 ` [PATCH net-next v5 2/4] virtio_net: big mode skip the unmap check Xuan Zhuo
2024-05-11 3:14 ` [PATCH net-next v5 3/4] virtio_net: rx remove premapped failover code Xuan Zhuo
2024-05-11 3:14 ` [PATCH net-next v5 4/4] virtio_net: remove the misleading comment Xuan Zhuo
2024-05-14 0:20 ` [PATCH net-next v5 0/4] virtio_net: rx enable premapped mode by default patchwork-bot+netdevbpf
2024-08-14 6:59 ` [PATCH RFC 0/3] Revert "virtio_net: rx enable premapped mode by default" Michael S. Tsirkin
2024-08-15 7:14 ` Linux regression tracking (Thorsten Leemhuis)
2024-08-15 10:22 ` Darren Kenny
2024-08-16 5:03 ` Linux regression tracking (Thorsten Leemhuis)
2024-08-15 15:23 ` Michael S. Tsirkin
2024-08-15 15:28 ` Michael S. Tsirkin
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