Re: [Xen-devel] libxl__device_pci_reset() questions

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Thu, 2015-02-19 at 13:59 +0000, Jan Beulich wrote:
> All,
> 
> in the context of someone seeing "The kernel doesn't support reset
> from sysfs for PCI device", is my understanding correct that the lack
> of error checking in any caller (perhaps intentional) means that any
> of the errors logged from this function are really just warnings, i.e.
> don't prevent the assignment from taking place?

It was a long while ago, but I believe that was the intention, yes.

> Furthermore I'm puzzled by the function first thing trying to access
> a "do_flr" file supposedly made available by the pciback driver, yet
> I can't see either the upstream or the old 2.6.18 driver surfacing
> such a file. What am I missing here?

I'm not sure, on the basis of
http://lists.xen.org/archives/html/xen-devel/2014-06/msg03105.html and 
http://lists.xen.org/archives/html/xen-devel/2014-07/msg01108.html I've
added Konrad to the CC.

Ian.


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