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Tsirkin" To: Xuan Zhuo Cc: virtualization@lists.linux.dev, Richard Weinberger , Anton Ivanov , Johannes Berg , Hans de Goede , Ilpo =?iso-8859-1?Q?J=E4rvinen?= , Vadim Pasternak , Bjorn Andersson , Mathieu Poirier , Cornelia Huck , Halil Pasic , Eric Farman , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , David Hildenbrand , Jason Wang , linux-um@lists.infradead.org, platform-driver-x86@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org Subject: Re: [PATCH vhost v9 0/6] refactor the params of find_vqs() Message-ID: <20240522084221-mutt-send-email-mst@kernel.org> References: <20240424091533.86949-1-xuanzhuo@linux.alibaba.com> <20240522082732-mutt-send-email-mst@kernel.org> <1716381321.6426032-1-xuanzhuo@linux.alibaba.com> Precedence: bulk X-Mailing-List: linux-remoteproc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1716381321.6426032-1-xuanzhuo@linux.alibaba.com> On Wed, May 22, 2024 at 08:35:21PM +0800, Xuan Zhuo wrote: > On Wed, 22 May 2024 08:28:43 -0400, "Michael S. Tsirkin" wrote: > > On Wed, Apr 24, 2024 at 05:15:27PM +0800, Xuan Zhuo wrote: > > > This pathset is splited from the > > > > > > http://lore.kernel.org/all/20240229072044.77388-1-xuanzhuo@linux.alibaba.com > > > > > > That may needs some cycles to discuss. But that notifies too many people. > > > > > > But just the four commits need to notify so many people. > > > And four commits are independent. So I split that patch set, > > > let us review these first. > > > > > > The patch set try to refactor the params of find_vqs(). > > > Then we can just change the structure, when introducing new > > > features. > > > > > > Thanks. > > > > It's nice but I'd like to see something that uses this before I bother > > merging. IIUC premapped is dropped - are we going to use this in practice? > > > 1. You know this modification makes sense. > 2. This modification is difficult. Unlike modifying virtio ring or virtio-net, > this patch set requires modifying many modules and being reviewed by > many people. > 3. If you do not merge it now, then this patch set will most likely be > abandoned. And I worked a lot on that. > 4. premapped has not been abandoned, I have been advancing this work. What was > abandoned was just virtio-net big mode's support for premapped. > 5. My plan is to complete virtio-net support for af-xdp in 6.10. This must > depend on premapped. > > So, I hope you merge this patch set. > > Thanks. If this makes thing easier for you, I can put it in my tree post release. This way you do not need to keep reposting it. I'll then merge it with premapped. > > > > > > v8: > > > 1. rebase the vhost branch > > > > > > v7: > > > 1. fix two bugs. @Jason > > > > > > v6: > > > 1. virtio_balloon: a single variable for both purposes. > > > 2. if names[i] is null, return error > > > > > > v5: > > > 1. virtio_balloon: follow David Hildenbrand's suggest > > > http://lore.kernel.org/all/3620be9c-e288-4ff2-a7be-1fcf806e6e6e@redhat.com > > > 2. fix bug of the reference of "cfg_idx" > > > http://lore.kernel.org/all/202403222227.Sdp23Lcb-lkp@intel.com > > > > > > v4: > > > 1. remove support for names array entries being null > > > 2. remove cfg_idx from virtio_vq_config > > > > > > v3: > > > 1. fix the bug: "assignment of read-only location '*cfg.names'" > > > > > > v2: > > > 1. add kerneldoc for "struct vq_transport_config" @ilpo.jarvinen > > > > > > v1: > > > 1. fix some comments from ilpo.jarvinen@linux.intel.com > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Xuan Zhuo (6): > > > virtio_balloon: remove the dependence where names[] is null > > > virtio: remove support for names array entries being null. > > > virtio: find_vqs: pass struct instead of multi parameters > > > virtio: vring_create_virtqueue: pass struct instead of multi > > > parameters > > > virtio: vring_new_virtqueue(): pass struct instead of multi parameters > > > virtio_ring: simplify the parameters of the funcs related to > > > vring_create/new_virtqueue() > > > > > > arch/um/drivers/virtio_uml.c | 36 +++-- > > > drivers/platform/mellanox/mlxbf-tmfifo.c | 23 +-- > > > drivers/remoteproc/remoteproc_virtio.c | 37 +++-- > > > drivers/s390/virtio/virtio_ccw.c | 38 ++--- > > > drivers/virtio/virtio_balloon.c | 48 +++--- > > > drivers/virtio/virtio_mmio.c | 36 +++-- > > > drivers/virtio/virtio_pci_common.c | 69 ++++----- > > > drivers/virtio/virtio_pci_common.h | 9 +- > > > drivers/virtio/virtio_pci_legacy.c | 16 +- > > > drivers/virtio/virtio_pci_modern.c | 37 +++-- > > > drivers/virtio/virtio_ring.c | 177 ++++++++--------------- > > > drivers/virtio/virtio_vdpa.c | 51 +++---- > > > include/linux/virtio_config.h | 76 +++++++--- > > > include/linux/virtio_ring.h | 93 +++++++----- > > > tools/virtio/virtio_test.c | 4 +- > > > tools/virtio/vringh_test.c | 28 ++-- > > > 16 files changed, 384 insertions(+), 394 deletions(-) > > > > > > -- > > > 2.32.0.3.g01195cf9f > >