On Wed, 15 Sep 2021, Trilok Soni wrote:
> On 9/14/2021 8:29 PM, Stefano Stabellini wrote:
> > On Tue, 14 Sep 2021, Trilok Soni wrote:
> > > On 9/13/2021 4:51 PM, Stefano Stabellini via Stratos-dev wrote:
> > > > On Mon, 6 Sep 2021, AKASHI Takahiro wrote:
> > > > > > the second is how many context s
Hi Stefano,
On 9/14/2021 8:29 PM, Stefano Stabellini wrote:
On Tue, 14 Sep 2021, Trilok Soni wrote:
On 9/13/2021 4:51 PM, Stefano Stabellini via Stratos-dev wrote:
On Mon, 6 Sep 2021, AKASHI Takahiro wrote:
the second is how many context switches are involved in a transaction.
Of course with
Hello,
On 9/13/2021 4:51 PM, Stefano Stabellini via Stratos-dev wrote:
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 op
On Tue, 14 Sep 2021, Trilok Soni wrote:
> On 9/13/2021 4:51 PM, Stefano Stabellini via Stratos-dev wrote:
> > 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 invo
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
Hi
Le mar. 14 sept. 2021 à 01:51, Stefano Stabellini via Stratos-dev <
stratos-...@op-lists.linaro.org> a écrit :
> 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
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
Christopher Clark writes:
> On Sun, Sep 5, 2021 at 7:24 PM AKASHI Takahiro via Stratos-dev
> wrote:
>
> Alex,
>
> On Fri, Sep 03, 2021 at 10:28:06AM +0100, Alex Benn??e wrote:
>
> In configuration phase of virtio device, the latency won't be a big matter.
> In device operations (i.e. rea
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 Mon, Sep 06, 2021 at 07:41:48PM -0700, Christopher Clark wrote:
> On Sun, Sep 5, 2021 at 7:24 PM AKASHI Takahiro via Stratos-dev <
> stratos-...@op-lists.linaro.org> wrote:
>
> > Alex,
> >
> > On Fri, Sep 03, 2021 at 10:28:06AM +0100, Alex Benn??e wrote:
> > >
> > > AKASHI Takahiro writes:
> >
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 Sun, Sep 5, 2021 at 7:24 PM AKASHI Takahiro via Stratos-dev <
stratos-...@op-lists.linaro.org> wrote:
> 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 wro
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
AKASHI Takahiro writes:
> Hi François,
>
> On Thu, Aug 12, 2021 at 09:55:52AM +0200, Fran??ois Ozog wrote:
>> I top post as I find it difficult to identify where to make the comments.
>
> Thank you for the posting.
> I think that we should first discuss more about the goal/requirements/
> prac
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
> >
sa Vaddagiri ;
> Jean-
> > > > Philippe Brucker ; Mathieu Poirier
> > > > ; Oleksandr Tyshchenko
> > > > ; Bertrand Marquis
> > > > ; Artem Mygaiev ;
> Julien
> > > > Grall ; Juergen Gross ; Paul
> Durrant
> > > > ; Xen Devel
...@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.
>
&
I top post as I find it difficult to identify where to make the comments.
1) BE acceleration
Network and storage backends may actually be executed in SmartNICs. As
virtio 1.1 is hardware friendly, there may be SmartNICs with virtio 1.1 PCI
VFs. Is it a valid use case for the generic BE framework t
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
Hi François,
On Thu, Aug 12, 2021 at 09:55:52AM +0200, Fran??ois Ozog wrote:
> I top post as I find it difficult to identify where to make the comments.
Thank you for the posting.
I think that we should first discuss more about the goal/requirements/
practical use cases for the framework.
> 1)
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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