Re: [virtio-dev] [PATCH v2 1/1] virtio-ism: introduce new device virtio-ism

[Xuan Zhuo <xuanzhuo@linux.alibaba.com>]

On Wed, 11 Jan 2023 16:22:10 +0100, Halil Pasic <pasic@linux.ibm.com> wrote:
> On Wed, 11 Jan 2023 19:08:53 +0800
> Xuan Zhuo <xuanzhuo@linux.alibaba.com> 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?

Yes

Thanks.

>
> Regards,
> Halil