Re: [Xen-devel] [PATCH] Xen/pciback: Implement PCI slot or bus reset with 'do_flr' SysFS attribute

[Govinda Tatti]

On 11/30/2017 2:29 AM, Jan Beulich wrote:
> > > > On 29.11.17 at 20:44, <govinda.tatti@xxxxxxxxxx> wrote:
> > So, we will use the following sequence to reset the requested
> > device/function.
> >
> > - FLR (as first option)
> > - BUS/SLOT reset (as fall-back option) if FLR is not supported or any
> > issue with FLR
> It looks to me as if the slot reset could also fail despite the probe
> having succeeded. In such a case it might be better to try a bus
> reset, i.e. the sequence would become
> - FLR
> - slot reset if FLR failed
> - bus reset if slot reset failed
Fine with me.

Cheers
GOVINDA