Re: [PATCH RFC] pvrdma: wean code off pvrdma_ring.h kernel header

[Jason Wang <jasowang@redhat.com>]

----- 原始邮件 -----
> Hi Jason.
> 
> On Tue, Feb 9, 2021 at 5:47 AM Jason Wang <jasowang@redhat.com> wrote:
> 
> >
> > On 2021/2/9 上午1:28, Paolo Bonzini wrote:
> > > On 08/02/21 18:17, Cornelia Huck wrote:
> > >> On Fri, 29 Jan 2021 16:27:19 +0100
> > >> Cornelia Huck <cohuck@redhat.com> wrote:
> > >>
> > >>> On Fri, 22 Jan 2021 19:00:29 +0100
> > >>> Cornelia Huck <cohuck@redhat.com> wrote:
> > >>>
> > >>>> The pvrdma code relies on the pvrdma_ring.h kernel header for some
> > >>>> basic ring buffer handling. The content of that header isn't very
> > >>>> exciting, but contains some (q)atomic_*() invocations that (a)
> > >>>> cause manual massaging when doing a headers update, and (b) are
> > >>>> an indication that we probably should not be importing that header
> > >>>> at all.
> > >>>>
> > >>>> Let's reimplement the ring buffer handling directly in the pvrdma
> > >>>> code instead. This arguably also improves readability of the code.
> > >>>>
> > >>>> Importing the header can now be dropped.
> > >>>>
> > >>>> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
> > >>>> ---
> > >>>>
> > >>>> Compile-tested only, needs both testing and more eyeballs :)
> > >>>
> > >>> Friendly ping :)
> > >>>
> > >>> Suggestions for a test setup to do some sanity checks (that does not
> > >>> require special hardware) also welcome.
> > >>
> > >> Can I interest anyone in this? I'd be happy doing sanity tests myself,
> > >> but I have a hard time figuring out even where to start...
> > >
> > > Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
> > >
> > > Jason, Michael, are you going to pick this up?
> > >
> > > Paolo
> >
> >
> > I will queue this.
> >
> 
> 
> Have you picked it up? It will be great so I'll not send a PR with a single
> patch...
> BTW, Yuval tested and acked the patch.

Plan to send a pull request this Friday.

It should be part of that.

Thanks

> 
> Thanks,
> Marcel
> 
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