linux-kernel - Re: [PATCH v1 3/4] vduse: Add new ioctl VDUSE_GET_RECONNECT

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Message-ID: <CACGkMEuP=nF=Ez=17e4Db_XH+2KX31BdjHo7hYytB_Q3reE8xg@mail.gmail.com>
Date:   Wed, 18 Oct 2023 11:24:11 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Cindy Lu <lulu@...hat.com>
Cc:     mst@...hat.com, xieyongji@...edance.com,
        linux-kernel@...r.kernel.org, maxime.coquelin@...hat.com
Subject: Re: [PATCH v1 3/4] vduse: Add new ioctl VDUSE_GET_RECONNECT_INFO

On Wed, Oct 18, 2023 at 11:23 AM Jason Wang <jasowang@...hat.com> wrote:
>
> On Wed, Oct 11, 2023 at 2:42 PM Cindy Lu <lulu@...hat.com> wrote:
> >
> > In VDUSE_GET_RECONNECT_INFO, the Userspace App can get the map size
>
> I'm not sure why this is needed, the structure that mmaped to
> userspace should belong to uAPI then userspace can do versions there?

Ok, so I think this makes sense, it can help to avoid duplicating
versions in each mmaped pages.

Thanks