On 10/10/2016 05:27 AM, Andrea Bolognani wrote:
On Fri, 2016-10-07 at 12:11 -0400, Laine Stump wrote:
So instead of guaranteeing that there will always be an empty
slot available for hotplug during a single start/destroy
cycle of the guest, we would be guaranteeing that there will
be 3/4 empty s
On Fri, 2016-10-07 at 12:11 -0400, Laine Stump wrote:
> > So instead of guaranteeing that there will always be an empty
> > slot available for hotplug during a single start/destroy
> > cycle of the guest, we would be guaranteeing that there will
> > be 3/4 empty slots available for either hotplug o
On 10/07/2016 11:16 AM, Andrea Bolognani wrote:
On Fri, 2016-10-07 at 10:17 -0400, Laine Stump wrote:
So here's a rewording of your description (with a couple additional
conditions) to see if I understand everything correctly:
1) during initial domain definition:
A) If there are *no pci co
On Fri, 2016-10-07 at 10:17 -0400, Laine Stump wrote:
> So here's a rewording of your description (with a couple additional
> conditions) to see if I understand everything correctly:
>
> 1) during initial domain definition:
>
> A) If there are *no pci controllers at all* (not even a pci-root or
On 10/06/2016 12:10 PM, Daniel P. Berrange wrote:
On Thu, Oct 06, 2016 at 11:57:17AM -0400, Laine Stump wrote:
On 10/06/2016 11:31 AM, Daniel P. Berrange wrote:
On Thu, Oct 06, 2016 at 12:58:51PM +0200, Andrea Bolognani wrote:
On Wed, 2016-10-05 at 18:36 +0100, Richard W.M. Jones wrote:
(b) I
On 10/06/2016 11:20 AM, Richard W.M. Jones wrote:
On Thu, Oct 06, 2016 at 10:00:39AM -0400, Laine Stump wrote:
* x 4 - a set of USB2
controllers. This will turn into a single USB3 controller on a
root-port after my patches. Alternately, since it seems you don't
use it, you could eliminate it wi
On Thu, 2016-10-06 at 11:57 -0400, Laine Stump wrote:
> (BTW, isn't there something wrt aarch64 about "no pci controllers in
> config means use mmio for devices", or something like that? (Or maybe we
> were just *thinking* about that and didn't actually do it, I don't
> remember). Using the lack
On Thu, Oct 06, 2016 at 11:57:17AM -0400, Laine Stump wrote:
> On 10/06/2016 11:31 AM, Daniel P. Berrange wrote:
> > On Thu, Oct 06, 2016 at 12:58:51PM +0200, Andrea Bolognani wrote:
> > > On Wed, 2016-10-05 at 18:36 +0100, Richard W.M. Jones wrote:
> > > > > > (b) It would be nice to turn the whol
On 10/06/2016 11:31 AM, Daniel P. Berrange wrote:
On Thu, Oct 06, 2016 at 12:58:51PM +0200, Andrea Bolognani wrote:
On Wed, 2016-10-05 at 18:36 +0100, Richard W.M. Jones wrote:
(b) It would be nice to turn the whole thing off for people who don't
care about / need hotplugging.
I had contempl
On Thu, Oct 06, 2016 at 12:58:51PM +0200, Andrea Bolognani wrote:
> On Wed, 2016-10-05 at 18:36 +0100, Richard W.M. Jones wrote:
> > > > (b) It would be nice to turn the whole thing off for people who don't
> > > > care about / need hotplugging.
> > >
> > > I had contemplated having an "availableP
On Thu, Oct 06, 2016 at 10:00:39AM -0400, Laine Stump wrote:
> * x 4 - a set of USB2
> controllers. This will turn into a single USB3 controller on a
> root-port after my patches. Alternately, since it seems you don't
> use it, you could eliminate it with:
Yup, this is auto-added, and a mistake.
On 10/06/2016 06:58 AM, Andrea Bolognani wrote:
On Wed, 2016-10-05 at 18:36 +0100, Richard W.M. Jones wrote:
(b) It would be nice to turn the whole thing off for people who don't
care about / need hotplugging.
I had contemplated having an "availablePCIeSlots" (or something like
that) that wa
On Wed, 2016-10-05 at 18:36 +0100, Richard W.M. Jones wrote:
> > > (b) It would be nice to turn the whole thing off for people who don't
> > > care about / need hotplugging.
> >
> > I had contemplated having an "availablePCIeSlots" (or something like
> > that) that was either an attribute of the c
On Wed, Oct 05, 2016 at 01:26:31PM -0400, Laine Stump wrote:
> On 10/05/2016 11:50 AM, Richard W.M. Jones wrote:
> >(b) It would be nice to turn the whole thing off for people who don't
> >care about / need hotplugging.
>
> I had contemplated having an "availablePCIeSlots" (or something like
> tha
On 10/05/2016 11:50 AM, Richard W.M. Jones wrote:
I was asked to look at the impact on boot times of adding (empty) PCIe
root ports to the device model. The proposal from Laine is to add a
few of these to every guest to allow hotplugging.
Last time I looked into this I found that probing any (l
I was asked to look at the impact on boot times of adding (empty) PCIe
root ports to the device model. The proposal from Laine is to add a
few of these to every guest to allow hotplugging.
Last time I looked into this I found that probing any (legacy) PCI
device is expensive because of the ineffi
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