Re: [PATCH 1/5] PCI: Make sure all bridges reserve at least one bus number

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On Tue, Feb 13, 2018 at 06:43:00PM +0100, Rafael J. Wysocki wrote:
> On Tue, Feb 13, 2018 at 5:31 PM, Mika Westerberg
> <mika.westerberg@xxxxxxxxxxxxxxx> wrote:
> > When distributing extra buses between hotplug bridges we need to make
> > sure each bridge reserve at least one bus number, even if there is
> > currently nothing connected to it. For instance ACPI hotplug may bring
> > in additional devices to non-hotplug bridges later on. To make sure we
> > don't run out of bus numbers for non-hotplug bridges reserve one bus
> > number for them upfront before distributing buses for hotplug bridges.
> >
> > Fixes: 1c02ea810065 ("PCI: Distribute available buses to hotplug-capable bridges")
> > Reported-by: Mario Limonciello <mario.limonciello@xxxxxxxx>
> > Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
> > Cc: stable@xxxxxxxxxxxxxxx
> 
> Just a few notation-related nits below.

Thanks for the comments! I'll update the patch accordingly.



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