From: "Michael S. Tsirkin" <mst@redhat.com>
To: Jason Wang <jasowang@redhat.com>
Cc: "Xuan Zhuo" <xuanzhuo@linux.alibaba.com>,
netdev@vger.kernel.org, "Eugenio Pérez" <eperezma@redhat.com>,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Alexei Starovoitov" <ast@kernel.org>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Jesper Dangaard Brouer" <hawk@kernel.org>,
"John Fastabend" <john.fastabend@gmail.com>,
virtualization@lists.linux.dev, bpf@vger.kernel.org
Subject: Re: [PATCH net-next 02/13] virtio_ring: split: harden dma unmap for indirect
Date: Wed, 11 Sep 2024 06:30:53 -0400 [thread overview]
Message-ID: <20240911063024-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <CACGkMEuN6mFv2NjkA-NFBE2NCt0F1EW5Gk=X0dC4hz45Ns+jhw@mail.gmail.com>
On Wed, Sep 11, 2024 at 11:46:30AM +0800, Jason Wang wrote:
> On Tue, Aug 20, 2024 at 3:33 PM Xuan Zhuo <xuanzhuo@linux.alibaba.com> wrote:
> >
> > 1. this commit hardens dma unmap for indirect
>
> I think we need to explain why we need such hardening.
yes pls be more specific. Recording same state in two
places is just a source of bugs, not hardening.
next prev parent reply other threads:[~2024-09-11 10:31 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-20 7:33 [PATCH net-next 00/13] virtio-net: support AF_XDP zero copy (tx) Xuan Zhuo
2024-08-20 7:33 ` [PATCH net-next 01/13] virtio_ring: introduce vring_need_unmap_buffer Xuan Zhuo
2024-08-20 7:33 ` [PATCH net-next 02/13] virtio_ring: split: harden dma unmap for indirect Xuan Zhuo
2024-09-11 3:46 ` Jason Wang
2024-09-11 10:30 ` Michael S. Tsirkin [this message]
2024-09-12 7:30 ` Xuan Zhuo
2024-08-20 7:33 ` [PATCH net-next 03/13] virtio_ring: packed: " Xuan Zhuo
2024-08-21 8:54 ` Dan Carpenter
2024-09-11 11:28 ` Michael S. Tsirkin
2024-09-12 6:55 ` Xuan Zhuo
2024-09-12 7:38 ` Michael S. Tsirkin
2024-09-12 7:43 ` Xuan Zhuo
2024-08-20 7:33 ` [PATCH net-next 04/13] virtio_ring: perform premapped operations based on per-buffer Xuan Zhuo
2024-09-11 3:54 ` Jason Wang
2024-09-12 7:36 ` Xuan Zhuo
2024-09-13 3:36 ` Jason Wang
2024-08-20 7:33 ` [PATCH net-next 05/13] virtio-net: rq submits premapped buffer per buffer Xuan Zhuo
2024-08-20 7:33 ` [PATCH net-next 06/13] virtio_ring: remove API virtqueue_set_dma_premapped Xuan Zhuo
2024-08-20 7:33 ` [PATCH net-next 07/13] virtio_net: refactor the xmit type Xuan Zhuo
2024-09-11 4:04 ` Jason Wang
2024-09-12 7:50 ` Xuan Zhuo
2024-09-13 3:22 ` Jason Wang
2024-08-20 7:33 ` [PATCH net-next 08/13] virtio_net: xsk: bind/unbind xsk for tx Xuan Zhuo
2024-09-11 4:08 ` Jason Wang
2024-09-12 7:54 ` Xuan Zhuo
2024-08-20 7:33 ` [PATCH net-next 09/13] virtio_net: xsk: prevent disable tx napi Xuan Zhuo
2024-08-20 7:33 ` [PATCH net-next 10/13] virtio_net: xsk: tx: support xmit xsk buffer Xuan Zhuo
2024-09-11 4:31 ` Jason Wang
2024-09-12 8:48 ` Xuan Zhuo
2024-09-13 3:21 ` Jason Wang
2024-08-20 7:33 ` [PATCH net-next 11/13] virtio_net: xsk: tx: handle the transmitted " Xuan Zhuo
2024-09-11 4:32 ` Jason Wang
2024-09-12 7:55 ` Xuan Zhuo
2024-08-20 7:33 ` [PATCH net-next 12/13] virtio_net: update tx timeout record Xuan Zhuo
2024-08-20 7:33 ` [PATCH net-next 13/13] virtio_net: xdp_features add NETDEV_XDP_ACT_XSK_ZEROCOPY Xuan Zhuo
2024-09-11 4:33 ` Jason Wang
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