Re: [Xen-devel] pci-passthrough loses msi-x interrupts ability after domain destroy

Hi, On Fri, Sep 22, 2017 at 03:25:00PM -0400, Konrad Rzeszutek Wilk wrote: > On Fri, Sep 22, 2017 at 09:35:40AM +0200, Sander Eikelenboom wrote: > > On 22/09/17 04:09, Christopher Clark wrote: > > > On Thu, Sep 21, 2017 at 1:27 PM, Sander Eikelenboom > > > wrote: > > >> > >

Re: [Xen-devel] pci-passthrough loses msi-x interrupts ability after domain destroy

>>> On 25.09.17 at 18:10, wrote: > I tried the various device reset patches posted on this discussion > (do_flr, Christopher's "more thorough" reset_device) but without luck. > > After reset, I could notice that lspci shows the device's Masked > state has

Re: [Xen-devel] pci-passthrough loses msi-x interrupts ability after domain destroy

Hi Jan and al, - On Sep 21, 2017, at 9:12 AM, Jan Beulich jbeul...@suse.com wrote: > And did you verify that the OS actually makes an attempt to clear > this mask-all flag? If such an attempt doesn't have the intended > effect, finding the problem location in the code and sending a > fix

Re: [Xen-devel] pci-passthrough loses msi-x interrupts ability after domain destroy

> > ​[snip]​ > > > > So i think David's NACK was mostly for the patchset having some hackish > cosmetics. > > He didn't like 'do_flr' which made sense as the patchset did not do FLR. > It made a bus-reset > for more than one device (if those devices were assigned to pciback). > ​When I first

Re: [Xen-devel] pci-passthrough loses msi-x interrupts ability after domain destroy

On Fri, Sep 22, 2017 at 09:35:40AM +0200, Sander Eikelenboom wrote: > - Not an issue back then when the patch was made, but as the question earlier > to Roger, > the hypervisor seems to grow more interference with pci devices with the > PVH dom0 work. > If and hoow does that relate to

Re: [Xen-devel] pci-passthrough loses msi-x interrupts ability after domain destroy

On Fri, Sep 22, 2017 at 09:35:40AM +0200, Sander Eikelenboom wrote: > On 22/09/17 04:09, Christopher Clark wrote: > > On Thu, Sep 21, 2017 at 1:27 PM, Sander Eikelenboom > > wrote: > >> > >> On Thu, September 21, 2017, 10:39:52 AM, Roger Pau Monné wrote: > >> > >>> On Wed,

Re: [Xen-devel] pci-passthrough loses msi-x interrupts ability after domain destroy

On Thu, Sep 21, 2017 at 10:27:01PM +0200, Sander Eikelenboom wrote: > Roger: > I follow your PVH (dom0) patches shallowly, from my understanding it will > result > in Xen having more inteference with the handling of PCI devices ? Yes, that's correct. > If that's correct will this also impact

Re: [Xen-devel] pci-passthrough loses msi-x interrupts ability after domain destroy

On 22/09/17 04:09, Christopher Clark wrote: > On Thu, Sep 21, 2017 at 1:27 PM, Sander Eikelenboom > wrote: >> >> On Thu, September 21, 2017, 10:39:52 AM, Roger Pau Monné wrote: >> >>> On Wed, Sep 20, 2017 at 03:50:35PM -0400, Jérôme Oufella wrote: I'm using PCI

Re: [Xen-devel] pci-passthrough loses msi-x interrupts ability after domain destroy

Hi, On Thu, Sep 21, 2017 at 07:09:12PM -0700, Christopher Clark wrote: > On Thu, Sep 21, 2017 at 1:27 PM, Sander Eikelenboom > wrote: > > > > On Thu, September 21, 2017, 10:39:52 AM, Roger Pau Monné wrote: > > > >> On Wed, Sep 20, 2017 at 03:50:35PM -0400, Jérôme Oufella

Re: [Xen-devel] pci-passthrough loses msi-x interrupts ability after domain destroy

On Thu, Sep 21, 2017 at 1:27 PM, Sander Eikelenboom wrote: > > On Thu, September 21, 2017, 10:39:52 AM, Roger Pau Monné wrote: > >> On Wed, Sep 20, 2017 at 03:50:35PM -0400, Jérôme Oufella wrote: >>> >>> I'm using PCI pass-through to map a PCIe (intel i210) controller into

Re: [Xen-devel] pci-passthrough loses msi-x interrupts ability after domain destroy

Thursday, September 21, 2017, 10:39:52 AM, you wrote: > On Wed, Sep 20, 2017 at 03:50:35PM -0400, Jérôme Oufella wrote: >> Hi Xen-devel, >> >> I'm using PCI pass-through to map a PCIe (intel i210) controller into >> a HVM domain. The system uses xen-pciback to hide the appropriate PCI >>

Re: [Xen-devel] pci-passthrough loses msi-x interrupts ability after domain destroy

>>> On 20.09.17 at 21:50, wrote: > - On Dom0, 'lspci -vv' on that PCIe device between the "working" and > the "muted interrupts" states, I noted a difference between the > MSI-X caps: > > - Capabilities: [70] MSI-X: Enable- Count=5 Masked- <-- IRQs will

Re: [Xen-devel] pci-passthrough loses msi-x interrupts ability after domain destroy

On Wed, Sep 20, 2017 at 03:50:35PM -0400, Jérôme Oufella wrote: > Hi Xen-devel, > > I'm using PCI pass-through to map a PCIe (intel i210) controller into > a HVM domain. The system uses xen-pciback to hide the appropriate PCI > device from Dom0. > > When creating the HVM domain after an