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Message-ID: <20240911063024-mutt-send-email-mst@kernel.org>
Date: Wed, 11 Sep 2024 06:30:53 -0400
From: "Michael S. Tsirkin" <mst@...hat.com>
To: Jason Wang <jasowang@...hat.com>
Cc: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>, netdev@...r.kernel.org,
Eugenio Pérez <eperezma@...hat.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Alexei Starovoitov <ast@...nel.org>,
Daniel Borkmann <daniel@...earbox.net>,
Jesper Dangaard Brouer <hawk@...nel.org>,
John Fastabend <john.fastabend@...il.com>,
virtualization@...ts.linux.dev, bpf@...r.kernel.org
Subject: Re: [PATCH net-next 02/13] virtio_ring: split: harden dma unmap for
indirect
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@...ux.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.
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