linux-kernel - Re: [PATCH v1 0/4] vduse: Reconnection support in vduse

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Date:   Tue, 17 Oct 2023 10:51:31 +0800
From:   Cindy Lu <lulu@...hat.com>
To:     Jason Wang <jasowang@...hat.com>
Cc:     mst@...hat.com, xieyongji@...edance.com,
        linux-kernel@...r.kernel.org, maxime.coquelin@...hat.com
Subject: Re: [PATCH v1 0/4] vduse: Reconnection support in vduse

On Tue, Oct 17, 2023 at 10:44 AM Jason Wang <jasowang@...hat.com> wrote:
>
> On Wed, Oct 11, 2023 at 2:42 PM Cindy Lu <lulu@...hat.com> wrote:
> >
> > Here is the reconnect support in vduse,
> >
> > The kernel will allocate pages for reconnection
> > userspace needs to use ioctl VDUSE_GET_RECONNECT_INFO to
> > get the mmap related infomation and then map these pages
> > to userspace.
> > The kernel and userspace will use these pages to sync
> > the reconnect information
> >
> > Tested in vduse + dpdk test-pmd
>
> I would like to see the DPDK part as a reference. Would you mind
> giving me a pointer?
>
> Thanks
>
sure, Will send the dpdk patch soon
thanks
cindy
> >
> > Cindy Lu (4):
> >   vduse: Add function to get/free the pages for reconnection
> >   vduse: Add file operation for mmap
> >   vduse: Add new ioctl VDUSE_GET_RECONNECT_INFO
> >   vduse: update the vq_info in ioctl
> >
> >  drivers/vdpa/vdpa_user/vduse_dev.c | 175 +++++++++++++++++++++++++++++
> >  include/uapi/linux/vduse.h         |  43 +++++++
> >  2 files changed, 218 insertions(+)
> >
> > --
> > 2.34.3
> >
>