[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [Xen-devel] [PATCH v2] xen: use native disk xenbus prot
|
From: |
Stefano Stabellini |
|
Subject: |
Re: [Qemu-devel] [Xen-devel] [PATCH v2] xen: use native disk xenbus protocol if possible |
|
Date: |
Tue, 30 Aug 2016 15:00:11 -0700 (PDT) |
|
User-agent: |
Alpine 2.10 (DEB 1266 2009-07-14) |
On Tue, 30 Aug 2016, Juergen Gross wrote:
> On 05/07/16 16:55, Stefano Stabellini wrote:
> > On Wed, 29 Jun 2016, Anthony PERARD wrote:
> >> On Wed, Jun 29, 2016 at 05:50:48PM +0200, Juergen Gross wrote:
> >>> The qdisk implementation is using the native xenbus protocol only in
> >>> case of no protocol specified at all. As using the explicit 32- or
> >>> 64-bit protocol is slower than the native one due to copying requests
> >>> not by memcpy but element for element, this is not optimal.
> >>>
> >>> Correct this by using the native protocol in case word sizes of
> >>> frontend and backend match.
> >>>
> >>> Signed-off-by: Juergen Gross <address@hidden>
> >>
> >> Reviewed-by: Anthony PERARD <address@hidden>
> >
> > Added to my queue
>
> Any plans to push it?
Yes, I am sorry. I should have done it earlier. A QEMU release should be
imminent (latest is v2.7.0-rc5), I'll send a pull request right after.