Stefano Stabellini writes:
> On Mon, 6 Sep 2021, AKASHI Takahiro wrote:
>> > the second is how many context switches are involved in a transaction.
>> > Of course with all things there is a trade off. Things involving the
>> > very tightest latency would probably opt for a bare metal backend wh
On Mon, 6 Sep 2021, AKASHI Takahiro wrote:
> > the second is how many context switches are involved in a transaction.
> > Of course with all things there is a trade off. Things involving the
> > very tightest latency would probably opt for a bare metal backend which
> > I think would imply hypervis
Hi Christopher,
On Tue, Sep 07, 2021 at 11:09:34AM -0700, Christopher Clark wrote:
> On Tue, Sep 7, 2021 at 4:55 AM AKASHI Takahiro
> wrote:
>
> > Hi,
> >
> > I have not covered all your comments below yet.
> > So just one comment:
> >
> > On Mon, Sep 06, 2021 at 05:57:43PM -0700, Christopher Cl
On Tue, Sep 7, 2021 at 4:55 AM AKASHI Takahiro
wrote:
> Hi,
>
> I have not covered all your comments below yet.
> So just one comment:
>
> On Mon, Sep 06, 2021 at 05:57:43PM -0700, Christopher Clark wrote:
> > On Thu, Sep 2, 2021 at 12:19 AM AKASHI Takahiro <
> takahiro.aka...@linaro.org>
> > wro
Hi,
I have not covered all your comments below yet.
So just one comment:
On Mon, Sep 06, 2021 at 05:57:43PM -0700, Christopher Clark wrote:
> On Thu, Sep 2, 2021 at 12:19 AM AKASHI Takahiro
> wrote:
(snip)
> >It appears that, on FE side, at least three hypervisor calls (and data
> >cop
On Thu, Sep 2, 2021 at 12:19 AM AKASHI Takahiro
wrote:
> Hi Christopher,
>
> Thank you for your feedback.
>
> On Mon, Aug 30, 2021 at 12:53:00PM -0700, Christopher Clark wrote:
> > [ resending message to ensure delivery to the CCd mailing lists
> > post-subscription ]
> >
> > Apologies for being
Alex,
On Fri, Sep 03, 2021 at 10:28:06AM +0100, Alex Benn??e wrote:
>
> AKASHI Takahiro writes:
>
> > Alex,
> >
> > On Wed, Sep 01, 2021 at 01:53:34PM +0100, Alex Benn??e wrote:
> >>
> >> Stefan Hajnoczi writes:
> >>
> >> > [[PGP Signed Part:Undecided]]
> >> > On Wed, Aug 04, 2021 at 12:20:0
AKASHI Takahiro writes:
> Alex,
>
> On Wed, Sep 01, 2021 at 01:53:34PM +0100, Alex Benn??e wrote:
>>
>> Stefan Hajnoczi writes:
>>
>> > [[PGP Signed Part:Undecided]]
>> > On Wed, Aug 04, 2021 at 12:20:01PM -0700, Stefano Stabellini wrote:
>> >> > Could we consider the kernel internally conve
Alex,
On Wed, Sep 01, 2021 at 01:53:34PM +0100, Alex Benn??e wrote:
>
> Stefan Hajnoczi writes:
>
> > [[PGP Signed Part:Undecided]]
> > On Wed, Aug 04, 2021 at 12:20:01PM -0700, Stefano Stabellini wrote:
> >> > Could we consider the kernel internally converting IOREQ messages from
> >> > the Xe
On Wed, Sep 01, 2021 at 01:53:34PM +0100, Alex Bennée wrote:
>
> Stefan Hajnoczi writes:
>
> > [[PGP Signed Part:Undecided]]
> > On Wed, Aug 04, 2021 at 12:20:01PM -0700, Stefano Stabellini wrote:
> >> > Could we consider the kernel internally converting IOREQ messages from
> >> > the Xen hyperv
yshchenko ; Stefano Stabellini
> >> > ; Alex Benn??e ; Kaly
> >> Xin
> >> > ; Stratos Mailing List <
> >> stratos-...@op-lists.linaro.org>;
> >> > virtio-...@lists.oasis-open.org; Arnd Bergmann <
> >> arnd.bergm...@li
ulien
> Grall ; Juergen Gross ; Paul Durrant
> ; nd ; Xen Devel
> Subject: RE: Enabling hypervisor agnosticism for VirtIO backends
>
> Hi Akashi,
>
> > -Original Message-
> > From: AKASHI Takahiro
> > Sent: 2021年9月1日 20:29
> > To: Wei Chen
&g
; ;
> > > Viresh Kumar ; Stefano Stabellini
> > > ; stefa...@redhat.com; Jan Kiszka
> > > ; Carl van Schaik ;
> > > prat...@quicinc.com; Srivatsa Vaddagiri ; Jean-
> > > Philippe Brucker ; Mathieu Poirier
> > > ; Oleksandr Tyshchenko
> >
Hi Akashi,
I am sorry for the possible format issues.
>
> > > >
> > > > It's a RFC discussion. We have tested this RFC patch internally.
> > > > https://lists.xenproject.org/archives/html/xen-devel/2021-
> > > 07/msg01532.html
> > >
> > > I'm afraid that I miss something here, but I don't know
>
Stefan Hajnoczi writes:
> [[PGP Signed Part:Undecided]]
> On Wed, Aug 04, 2021 at 12:20:01PM -0700, Stefano Stabellini wrote:
>> > Could we consider the kernel internally converting IOREQ messages from
>> > the Xen hypervisor to eventfd events? Would this scale with other kernel
>> > hypercall
Philippe Brucker ; Mathieu Poirier
> > ; Oleksandr Tyshchenko
> > ; Bertrand Marquis
> > ; Artem Mygaiev ; Julien
> > Grall ; Juergen Gross ; Paul Durrant
> > ; Xen Devel
> > Subject: Re: Enabling hypervisor agnosticism for VirtIO backends
> >
> > Wei,
>
; ;
> > > Viresh Kumar ; Stefano Stabellini
> > > ; stefa...@redhat.com; Jan Kiszka
> > > ; Carl van Schaik ;
> > > prat...@quicinc.com; Srivatsa Vaddagiri ; Jean-
> > > Philippe Brucker ; Mathieu Poirier
> > > ; Oleksandr Tyshchenko
> > > ; Bert
cker ; Mathieu Poirier
> > ; Oleksandr Tyshchenko
> > ; Bertrand Marquis
> > ; Artem Mygaiev ; Julien
> > Grall ; Juergen Gross ; Paul Durrant
> > ; Xen Devel
> > Subject: Re: Enabling hypervisor agnosticism for VirtIO backends
> >
> > Hi Wei,
>
; Stratos
>> > > > > Mailing List ; virtio-
>> > dev@lists.oasis-
>> > > > > open.org; Arnd Bergmann ; Viresh Kumar
>> > > > > ; Stefano Stabellini
>> > > > > ; stefa...@redhat.com; Jan Kiszka
>> > &g
Carl van Schaik ;
> > prat...@quicinc.com; Srivatsa Vaddagiri ; Jean-
> > Philippe Brucker ; Mathieu Poirier
> > ; Oleksandr Tyshchenko
> > ; Bertrand Marquis
> > ; Artem Mygaiev ;
> Julien
> > Grall ; Juergen Gross ; Paul Durrant
> > ; Xen Devel
> >
; > > Stratos
> > > > > > Mailing List ; virtio-
> > > > dev@lists.oasis-
> > > > > > open.org; Arnd Bergmann ; Viresh Kumar
> > > > > > ; Stefano Stabellini
> > > > > > ; stefa...@redhat.com; Jan Kiszka
> > >
...@redhat.com; Jan Kiszka
> > > ; Carl van Schaik ;
> > > prat...@quicinc.com; Srivatsa Vaddagiri ; Jean-
> > > Philippe Brucker ; Mathieu Poirier
> > > ; Oleksandr Tyshchenko
> > > ; Bertrand Marquis
> > > ; Artem Mygaiev ; Julien
> > > Grall ; Jue
On Wed, Aug 25, 2021 at 07:29:45PM +0900, AKASHI Takahiro wrote:
> On Mon, Aug 23, 2021 at 10:58:46AM +0100, Stefan Hajnoczi wrote:
> > On Mon, Aug 23, 2021 at 03:25:00PM +0900, AKASHI Takahiro wrote:
> > > Hi Stefan,
> > >
> > > On Tue, Aug 17, 2021 at 11:41:01AM +0100, Stefan Hajnoczi wrote:
> >
Hi Stefan,
On Mon, Aug 23, 2021 at 10:58:46AM +0100, Stefan Hajnoczi wrote:
> On Mon, Aug 23, 2021 at 03:25:00PM +0900, AKASHI Takahiro wrote:
> > Hi Stefan,
> >
> > On Tue, Aug 17, 2021 at 11:41:01AM +0100, Stefan Hajnoczi wrote:
> > > On Wed, Aug 04, 2021 at 12:20:01PM -0700, Stefano Stabellini
On Mon, Aug 23, 2021 at 03:25:00PM +0900, AKASHI Takahiro wrote:
> Hi Stefan,
>
> On Tue, Aug 17, 2021 at 11:41:01AM +0100, Stefan Hajnoczi wrote:
> > On Wed, Aug 04, 2021 at 12:20:01PM -0700, Stefano Stabellini wrote:
> > > > Could we consider the kernel internally converting IOREQ messages from
Hi Stefan,
On Tue, Aug 17, 2021 at 11:41:01AM +0100, Stefan Hajnoczi wrote:
> On Wed, Aug 04, 2021 at 12:20:01PM -0700, Stefano Stabellini wrote:
> > > Could we consider the kernel internally converting IOREQ messages from
> > > the Xen hypervisor to eventfd events? Would this scale with other ker
irier
> > ; Oleksandr Tyshchenko
> > ; Bertrand Marquis
> > ; Artem Mygaiev ; Julien
> > Grall ; Juergen Gross ; Paul Durrant
> > ; Xen Devel
> > Subject: Re: Enabling hypervisor agnosticism for VirtIO backends
> >
> > On Tue, Aug 17, 2021 at 08:
i
> > > ; stefa...@redhat.com; Jan Kiszka
> > > ; Carl van Schaik ;
> > > prat...@quicinc.com; Srivatsa Vaddagiri ; Jean-
> > > Philippe Brucker ; Mathieu Poirier
> > > ; Oleksandr Tyshchenko
> > > ; Bertrand Marquis
> > > ; Artem Mygaiev ;
> Julie
irier
> > ; Oleksandr Tyshchenko
> > ; Bertrand Marquis
> > ; Artem Mygaiev ; Julien
> > Grall ; Juergen Gross ; Paul Durrant
> > ; Xen Devel
> > Subject: Re: Enabling hypervisor agnosticism for VirtIO backends
> >
> > Hi Wei, Oleksandr,
>
On Wed, Aug 04, 2021 at 12:20:01PM -0700, Stefano Stabellini wrote:
> > Could we consider the kernel internally converting IOREQ messages from
> > the Xen hypervisor to eventfd events? Would this scale with other kernel
> > hypercall interfaces?
> >
> > So any thoughts on what directions are worth
.info/?l=xen-devel&m=162373754705233&w=2
>
> >
> > > From: Oleksandr Tyshchenko
> > > Sent: 2021年8月14日 23:38
> > > To: AKASHI Takahiro ; Stefano Stabellini
>
> > > Cc: Alex Benn??e ; Stratos Mailing List
> ; virtio-...@lists.oas
sis-open.org; Arnd
> > Bergmann ; Viresh Kumar
> > ; Stefano Stabellini
> > ; stefa...@redhat.com; Jan Kiszka
> > ; Carl van Schaik ;
> > prat...@quicinc.com; Srivatsa Vaddagiri ;
> > Jean-Philippe Brucker ; Mathieu Poirier
> > ; Wei Chen
ko ; Bertrand Marquis
> ; Artem Mygaiev ; Julien
> Grall ; Juergen Gross ; Paul Durrant
> ; Xen Devel
> Subject: Re: Enabling hypervisor agnosticism for VirtIO backends
>
> Hello, all.
>
> Please see some comments below. And sorry for the possible format issues.
>
&
Hello, all.
Please see some comments below. And sorry for the possible format issues.
On Wed, Aug 11, 2021 at 9:27 AM AKASHI Takahiro
wrote:
> On Wed, Aug 04, 2021 at 12:20:01PM -0700, Stefano Stabellini wrote:
> > CCing people working on Xen+VirtIO and IOREQs. Not trimming the original
> > ema
On Wed, Aug 04, 2021 at 12:20:01PM -0700, Stefano Stabellini wrote:
> CCing people working on Xen+VirtIO and IOREQs. Not trimming the original
> email to let them read the full context.
>
> My comments below are related to a potential Xen implementation, not
> because it is the only implementation
CCing people working on Xen+VirtIO and IOREQs. Not trimming the original
email to let them read the full context.
My comments below are related to a potential Xen implementation, not
because it is the only implementation that matters, but because it is
the one I know best.
Also, please see this r
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