Re: [PATCH net-next 02/13] virtio_ring: split: harden dma unmap for indirect

[PATCH net-next 00/13] virtio-net: support AF_XDP zero copy (tx) · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-08-20
[PATCH net-next 01/13] virtio_ring: introduce vring_need_unmap_buffer · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-08-20
[PATCH net-next 03/13] virtio_ring: packed: harden dma unmap for indirect · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-08-20
Re: [PATCH net-next 03/13] virtio_ring: packed: harden dma unmap for indirect · Dan Carpenter <hidden> · 2024-08-21
Re: [PATCH net-next 03/13] virtio_ring: packed: harden dma unmap for indirect · "Michael S. Tsirkin" <mst@redhat.com> · 2024-09-11
Re: [PATCH net-next 03/13] virtio_ring: packed: harden dma unmap for indirect · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-09-12
Re: [PATCH net-next 03/13] virtio_ring: packed: harden dma unmap for indirect · "Michael S. Tsirkin" <mst@redhat.com> · 2024-09-12
Re: [PATCH net-next 03/13] virtio_ring: packed: harden dma unmap for indirect · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-09-12
[PATCH net-next 04/13] virtio_ring: perform premapped operations based on per-buffer · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-08-20
Re: [PATCH net-next 04/13] virtio_ring: perform premapped operations based on per-buffer · Jason Wang <hidden> · 2024-09-11
Re: [PATCH net-next 04/13] virtio_ring: perform premapped operations based on per-buffer · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-09-12
Re: [PATCH net-next 04/13] virtio_ring: perform premapped operations based on per-buffer · Jason Wang <hidden> · 2024-09-13
[PATCH net-next 06/13] virtio_ring: remove API virtqueue_set_dma_premapped · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-08-20
[PATCH net-next 05/13] virtio-net: rq submits premapped buffer per buffer · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-08-20
[PATCH net-next 09/13] virtio_net: xsk: prevent disable tx napi · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-08-20
[PATCH net-next 02/13] virtio_ring: split: harden dma unmap for indirect · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-08-20
Re: [PATCH net-next 02/13] virtio_ring: split: harden dma unmap for indirect · Jason Wang <hidden> · 2024-09-11
Re: [PATCH net-next 02/13] virtio_ring: split: harden dma unmap for indirect · "Michael S. Tsirkin" <mst@redhat.com> · 2024-09-11
Re: [PATCH net-next 02/13] virtio_ring: split: harden dma unmap for indirect · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-09-12
[PATCH net-next 08/13] virtio_net: xsk: bind/unbind xsk for tx · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-08-20
Re: [PATCH net-next 08/13] virtio_net: xsk: bind/unbind xsk for tx · Jason Wang <hidden> · 2024-09-11
Re: [PATCH net-next 08/13] virtio_net: xsk: bind/unbind xsk for tx · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-09-12
[PATCH net-next 11/13] virtio_net: xsk: tx: handle the transmitted xsk buffer · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-08-20
Re: [PATCH net-next 11/13] virtio_net: xsk: tx: handle the transmitted xsk buffer · Jason Wang <hidden> · 2024-09-11
Re: [PATCH net-next 11/13] virtio_net: xsk: tx: handle the transmitted xsk buffer · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-09-12
[PATCH net-next 10/13] virtio_net: xsk: tx: support xmit xsk buffer · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-08-20
Re: [PATCH net-next 10/13] virtio_net: xsk: tx: support xmit xsk buffer · Jason Wang <hidden> · 2024-09-11
Re: [PATCH net-next 10/13] virtio_net: xsk: tx: support xmit xsk buffer · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-09-12
Re: [PATCH net-next 10/13] virtio_net: xsk: tx: support xmit xsk buffer · Jason Wang <hidden> · 2024-09-13
[PATCH net-next 07/13] virtio_net: refactor the xmit type · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-08-20
Re: [PATCH net-next 07/13] virtio_net: refactor the xmit type · Jason Wang <hidden> · 2024-09-11
Re: [PATCH net-next 07/13] virtio_net: refactor the xmit type · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-09-12
Re: [PATCH net-next 07/13] virtio_net: refactor the xmit type · Jason Wang <hidden> · 2024-09-13
[PATCH net-next 12/13] virtio_net: update tx timeout record · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-08-20
[PATCH net-next 13/13] virtio_net: xdp_features add NETDEV_XDP_ACT_XSK_ZEROCOPY · Xuan Zhuo <xuanzhuo@linux.alibaba.com> · 2024-08-20
Re: [PATCH net-next 13/13] virtio_net: xdp_features add NETDEV_XDP_ACT_XSK_ZEROCOPY · Jason Wang <hidden> · 2024-09-11

From: "Michael S. Tsirkin" <mst@redhat.com>
Date: 2024-09-11 10:31:01
Also in: bpf, virtualization

On Wed, Sep 11, 2024 at 11:46:30AM +0800, Jason Wang wrote:

On Tue, Aug 20, 2024 at 3:33 PM Xuan Zhuo [off-list ref] wrote:

quoted

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.

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