From: Rusty Russell <rusty@rustcorp.com.au>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Anthony Liguori <anthony@codemonkey.ws>,
virtualization <virtualization@lists.linux-foundation.org>,
Sasha Levin <levinsasha928@gmail.com>, kvm <kvm@vger.kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: virtio-pci new configuration proposal
Date: Tue, 08 Nov 2011 20:51:38 +1030 [thread overview]
Message-ID: <87vcqurk25.fsf@rustcorp.com.au> (raw)
In-Reply-To: <20111108063249.GB11577@redhat.com>
On Tue, 8 Nov 2011 08:32:50 +0200, "Michael S. Tsirkin" <mst@redhat.com> wrote:
> On Tue, Nov 08, 2011 at 10:23:33AM +1030, Rusty Russell wrote:
> > Even so, should we just use the PCI cap list, and have each
> > cap entry just contain a BIR & offset?
> >
> > Thanks,
> > Rusty.
>
> And size :)
> I say, Rusty, did you see my patch? That's what it's doing,
> I also addressed the issue that with KVM on x86, PIO is faster
> than MMIO so we need to use it for notifications/isr.
Faster? Really? Why? Were the ppc guys right that's it's obsolescent?
Because PIO is going to be ugly AFAICT for every non-x86 platform.
Cheers,
Rusty.
WARNING: multiple messages have this Message-ID (diff)
From: Rusty Russell <rusty@rustcorp.com.au>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Sasha Levin <levinsasha928@gmail.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
kvm <kvm@vger.kernel.org>,
virtualization <virtualization@lists.linux-foundation.org>,
Anthony Liguori <anthony@codemonkey.ws>
Subject: Re: virtio-pci new configuration proposal
Date: Tue, 08 Nov 2011 20:51:38 +1030 [thread overview]
Message-ID: <87vcqurk25.fsf@rustcorp.com.au> (raw)
In-Reply-To: <20111108063249.GB11577@redhat.com>
On Tue, 8 Nov 2011 08:32:50 +0200, "Michael S. Tsirkin" <mst@redhat.com> wrote:
> On Tue, Nov 08, 2011 at 10:23:33AM +1030, Rusty Russell wrote:
> > Even so, should we just use the PCI cap list, and have each
> > cap entry just contain a BIR & offset?
> >
> > Thanks,
> > Rusty.
>
> And size :)
> I say, Rusty, did you see my patch? That's what it's doing,
> I also addressed the issue that with KVM on x86, PIO is faster
> than MMIO so we need to use it for notifications/isr.
Faster? Really? Why? Were the ppc guys right that's it's obsolescent?
Because PIO is going to be ugly AFAICT for every non-x86 platform.
Cheers,
Rusty.
next prev parent reply other threads:[~2011-11-08 10:21 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-02 18:49 virtio-pci new configuration proposal Sasha Levin
2011-11-02 18:49 ` Sasha Levin
2011-11-02 19:08 ` Michael S. Tsirkin
2011-11-02 19:08 ` Michael S. Tsirkin
2011-11-02 19:07 ` Sasha Levin
2011-11-02 19:07 ` Sasha Levin
2011-11-02 19:14 ` Michael S. Tsirkin
2011-11-02 19:14 ` Michael S. Tsirkin
2011-11-03 1:58 ` Rusty Russell
2011-11-03 8:33 ` Sasha Levin
2011-11-03 8:33 ` Sasha Levin
2011-11-03 12:46 ` Michael S. Tsirkin
2011-11-03 12:46 ` Michael S. Tsirkin
2011-11-03 13:19 ` Sasha Levin
2011-11-03 13:19 ` Sasha Levin
2011-11-03 13:48 ` Michael S. Tsirkin
2011-11-03 13:48 ` Michael S. Tsirkin
2011-11-04 9:44 ` Rusty Russell
2011-11-04 11:40 ` Michael S. Tsirkin
2011-11-04 11:40 ` Michael S. Tsirkin
2011-11-04 12:32 ` Sasha Levin
2011-11-04 12:32 ` Sasha Levin
2011-11-04 13:51 ` Michael S. Tsirkin
2011-11-04 13:51 ` Michael S. Tsirkin
2011-11-04 13:53 ` Sasha Levin
2011-11-04 14:23 ` Michael S. Tsirkin
2011-11-04 14:23 ` Michael S. Tsirkin
2011-11-04 14:53 ` Sasha Levin
2011-11-04 14:53 ` Sasha Levin
2011-11-06 7:30 ` Michael S. Tsirkin
2011-11-06 7:30 ` Michael S. Tsirkin
2011-11-06 20:24 ` Sasha Levin
2011-11-06 20:24 ` Sasha Levin
2011-11-06 21:38 ` Michael S. Tsirkin
2011-11-06 21:38 ` Michael S. Tsirkin
2011-11-07 5:16 ` Rusty Russell
2011-11-07 5:16 ` Rusty Russell
2011-11-07 21:14 ` Michael S. Tsirkin
2011-11-07 21:14 ` Michael S. Tsirkin
2011-11-07 23:53 ` Rusty Russell
2011-11-07 23:53 ` Rusty Russell
2011-11-08 6:32 ` Michael S. Tsirkin
2011-11-08 6:32 ` Michael S. Tsirkin
2011-11-08 10:21 ` Rusty Russell [this message]
2011-11-08 10:21 ` Rusty Russell
2011-11-08 21:31 ` Michael S. Tsirkin
2011-11-08 21:31 ` Michael S. Tsirkin
2011-11-08 14:15 ` Sasha Levin
2011-11-08 14:15 ` Sasha Levin
2011-11-04 13:53 ` Sasha Levin
2011-11-04 9:44 ` Rusty Russell
2011-11-03 11:03 ` Michael S. Tsirkin
2011-11-03 11:03 ` Michael S. Tsirkin
2011-11-03 1:58 ` Rusty Russell
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