Re: [Xen-devel] [PATCH V3 1/2] Drivers/PCI: Export pcie_has_flr() interface

[Sinan Kaya <okaya@xxxxxxxxxx>]

On 9/9/2018 2:59 PM, Pasi Kärkkäinen wrote:
> I noticed pcie_has_flr() has been recently exported in upstream Linux:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2d2917f7747805a1f4188672f308d82a8ba01700
>
> Are there more changes / cleanups planned to these interfaces, as mentioned 
> last year?
>
> (context: xen-pciback reset/do_flr features upstreaming, which kind of stalled 
> last year when pcie_has_flr() wasn't exported at the time)
Exporting pcie_has_flr() is a very simple change which could have been done
by the XEN porting effort.

Maybe, the right question is what is so special about XEN reset?

What feature PCI core is missing to support XEN FLR reset that caused
the effort to stall?

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