From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Wed, 11 Jan 2023 16:22:10 +0100 From: Halil Pasic Subject: Re: [virtio-dev] [PATCH v2 1/1] virtio-ism: introduce new device virtio-ism Message-ID: <20230111162210.5160f3b9.pasic@linux.ibm.com> In-Reply-To: <1673435333.1297436-1-xuanzhuo@linux.alibaba.com> References: <20221223081354.15026-1-xuanzhuo@linux.alibaba.com> <20221223081354.15026-2-xuanzhuo@linux.alibaba.com> <20230110233401.131cc97a.pasic@linux.ibm.com> <1673435333.1297436-1-xuanzhuo@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit To: Xuan Zhuo Cc: virtio-dev@lists.oasis-open.org, hans@linux.alibaba.com, herongguang@linux.alibaba.com, zmlcc@linux.alibaba.com, dust.li@linux.alibaba.com, tonylu@linux.alibaba.com, zhenzao@linux.alibaba.com, helinguo@linux.alibaba.com, gerry@linux.alibaba.com, mst@redhat.com, cohuck@redhat.com, jasowang@redhat.com, Jan Kiszka , wintera@linux.ibm.com, kgraul@linux.ibm.com, wenjia@linux.ibm.com, jaka@linux.ibm.com, hca@linux.ibm.com, twinkler@linux.ibm.com, raspl@linux.ibm.com, Halil Pasic List-ID: On Wed, 11 Jan 2023 19:08:53 +0800 Xuan Zhuo wrote: > > > > > + Large shared memories are divided into multiple chunks, and one time > > > > "Memories" sounds wrong here. I guess what you used to call "regions" > > you now call "chunks". But I may be wrong. > > A ism region consists of multiple chunks. The size of each chunk is fixed. > The size of ism region is not fixed. Hm. I'm still a little confused. Does this mean you have something like virtio shared memory region (with shmid) >= ism shared memory region >= ism shared memory chunk Than is multiple ism shared memory regions may live within a single virtio shared memory region, and multiple ism shared memory chunks may compose an ism shared memory region? Regards, Halil