Re: [PATCH v8 02/22] PCI: Add root bus children dev's res to fail list

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On Monday, January 14, 2013 10:23:47 PM Yinghai Lu wrote:
> On Sat, Jan 12, 2013 at 1:37 PM, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
> > On Friday, January 11, 2013 02:40:29 PM Yinghai Lu wrote:
> >> We can stop trying according to try number now and do not need to use
> >> root_bus checking as stop sign anymore.
> >>
> >> In extreme case we could need to reallocate resource for device just
> >> under root bus.
> >
> > Well, the above says that we _can_ do the change, but it doesn't explain why it
> > is needed.  So what's the reason why we need to do that?
> 
> In extreme case we could need to reallocate resource for device just
> under root bus.
> 
> otherwise, those devices just under root bus will not be assigned
> resources again.

IOW, our current code will not cover the case when we hot plug a host bridge
and need to reassign resources for devices integrated into it?

Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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