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Tsirkin" To: Lege Wang Cc: Jason Wang , "virtio-comment@lists.linux.dev" , "vattunuru@marvell.com" , "ndabilpuram@marvell.com" , "parav@nvidia.com" , Leo Liu , Angus Chen Subject: Re: [PATCH] VIRTIO_F_USED_EVENT_AUTO_DISABLE: add new used buffer notification suppression mechanism Message-ID: <20240705035755-mutt-send-email-mst@kernel.org> References: <20240701034435.675-1-lege.wang@jaguarmicro.com> Precedence: bulk X-Mailing-List: virtio-comment@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, Jul 05, 2024 at 03:35:17AM +0000, Lege Wang wrote: > hi > > Thanks for your comments in previous discussions. > I'd like to confirm that do you understand this proposal's idea now. If yes, > I may start to prepare a more formal V2. > > Regards, > Xiaoguang Wang It's not that I don't understand the proposal, it's that I don't think it's a good proposal. It seems to rely on timeouts to solve race conditions, which are all hidden outside of spec. We should explain how things are supposed to work. -- MST