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

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

> >> > Thank you for reporting it and helping me with the XenStore output to
> >> > narrow down the culprit!
> >> 
> >> The thing i don't understand then is:
> >> How is it different for the last (or all ) device(s) ?
> >> (since the last device (or removing all devices) before doing the 
> >> assignable-remove doesn't trigger the warning)
> >> 
> >> Or does the complete removal of the pci-part of the tree in xenstore 
> >> trigger something ?
> 
> > Yup. It removes the whole 'pci' directory in XenStore which triggers
> > in Xen pciback the code to deal with that.
> So that essentially needs to be changed to watch the individual devices in 
> the 
> xenstore tree instead of the whole pci stuff.

Correct. Thought instead of watching it will just compare with what it
had assigned to a guest and what it currently has exposed in XenStore. And
then whatever is not on the list (exposed in XenStore) is going to be reaped.

> Then it all makes sense :-)  

Until you find another bug :-)
> 
> >> You know if you got a patch cooked up, i'm more than happy to test !
> 
> > Hehe!
> >> 
> >> --
> >> Sander
> >> 
> 
> 

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