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Re: [Xen-devel] [PATCH v4] PCI back fixes for 3.17.



> >> Ad B)
> >> 
> >> root@dom0:~# xl pci-list router
> >> Vdev Device
> >> 05.0 0000:00:1b.0
> >> 
> >> root@dom0:~# xl pci-assignable-list
> >> 0000:02:00.0
> >> 
> >> root@dom0:~# xl pci-detach router 00:1b.0
> >> dmesg shows:
> >> [  199.742668] pciback 0000:00:1b.0: restoring config space at offset 0x10 
> >> (was 0x4, writing 0xf7d30004)
> >> [  199.743527] pciback 0000:00:1b.0: restoring config space at offset 0xc 
> >> (was 0x0, writing 0x10)
> >> [  199.744321] pciback 0000:00:1b.0: restoring config space at offset 0x4 
> >> (was 0x100000, writing 0x100006)
> >> [  199.757184] xen-pciback pci-1-0: xen_pcibk_xenbus_remove freeing pdev @ 
> >> 0xffff8800589fce40
> >> [  199.758139] xen-pciback pci-1-0: xen_pcibk_disconnect pdev @ 
> >> 0xffff8800589fce40
> >> [  199.862595] xen: xen_unregister_device_domain_owner
> >> 
> >> xl dmesg shows:
> >> (XEN) [2014-07-14 16:28:29] memory_map:remove: dom1 gfn=f3070 mfn=f7d30 
> >> nr=4
> >> (XEN) [2014-07-14 16:28:29] io.c:322: d1: unbind: m_gsi=22 g_gsi=36 
> >> dev=00:00.5 intx=0
> >> (XEN) [2014-07-14 16:28:29] io.c:390: d1 unmap: m_irq=22 dev=00:00.5 intx=0
> >> (XEN) [2014-07-14 16:28:29] [VT-D]iommu.c:1579: d1:PCIe: unmap 0000:00:1b.0
> >> (XEN) [2014-07-14 16:28:29] [VT-D]iommu.c:1440: d0:PCIe: map 0000:00:1b.0
> >> 
> >> root@dom0:~# xl pci-list router
> >> root@dom0:~# xl pci-assignable-list
> >> 0000:00:1b.0
> >> 0000:02:00.0
> >> 
> >> root@dom0:~# xl pci-assignable-remove 00:1b.0
> >> dmesg shows:
> >> [  318.827415] xen: xen_unregister_device_domain_owner
> >> [  318.828771] xen: xen_unregister_device_domain_owner: ENODEV
> >> [  318.930869] pciback 0000:00:1b.0: restoring config space at offset 0x10 
> >> (was 0x4, writing 0xf7d30004)
> >> [  318.933435] pciback 0000:00:1b.0: restoring config space at offset 0xc 
> >> (was 0x0, writing 0x10)
> >> [  318.935877] pciback 0000:00:1b.0: restoring config space at offset 0x4 
> >> (was 0x100000, writing 0x100006)
> >> 
> >> root@dom0:~# xl pci-list router
> >> root@dom0:~# xl pci-assignable-list
> >> 0000:02:00.0
> >> 
> >> 
> 
> > And if you do:
> 
> > # xl pci-detach router 02:00.0
> 

Err, I meant
# xl pci-assignable-remove 02:00.0

> > Do you see it being cleared from pciback? And what do you
> > see in /sys/bus/pci/drivers/pciback ?
> 
> Hmm good point .. i also had the plan to look into xenstore what was in there 
> .. 
> but forgot .. will post both right away :-) 

Thank you!
> 
> > Thanks!
> 
> 

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