Re: [PATCH 0/4, v14] PCI, ACPI: Physical PCI slot objects

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* Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>:
> On Monday, June 09, 2008 8:12 pm Kenji Kaneshige wrote:
> > >  drivers/pci/hotplug/pci_hotplug_core.c |   16 ++++++++++++++++
> > >  1 file changed, 16 insertions(+)
> > >
> > > Index: 20080610/drivers/pci/hotplug/pci_hotplug_core.c
> > > ===================================================================
> > > --- 20080610.orig/drivers/pci/hotplug/pci_hotplug_core.c
> > > +++ 20080610/drivers/pci/hotplug/pci_hotplug_core.c
> > > @@ -555,6 +555,7 @@ int pci_hp_register(struct hotplug_slot
> > >  {
> > >  	int result;
> > >  	struct pci_slot *pci_slot;
> > > +	struct hotplug_slot *tmp;
> > >
> > >  	if (slot == NULL)
> > >  		return -ENODEV;
> > > @@ -567,6 +568,21 @@ int pci_hp_register(struct hotplug_slot
> > >  	}
> > >
> > >  	/*
> > > +	 * Prevent registering multiple hotplug slots with the same name.
> > > +	 */
> > > +	spin_lock(&pci_hotplug_slot_list_lock);
> > > +	list_for_each_entry(tmp, &pci_hotplug_slot_list, slot_list) {
> > > +		pci_slot = tmp->pci_slot;
> > > +		if (pci_slot->bus == bus && pci_slot->number == slot_nr)
> > > +			continue;
> > > +		if (!strcmp(tmp->name, slot->name)) {
> > > +			spin_unlock(&pci_hotplug_slot_list_lock);
> > > +			return -EEXIST;
> > > +		}
> > > +	}
> > > +	spin_unlock(&pci_hotplug_slot_list_lock);
> > > +
> > > +	/*
> > >  	 * No problems if we call this interface from both ACPI_PCI_SLOT
> > >  	 * driver and call it here again. If we've already created the
> > >  	 * pci_slot, the interface will simply bump the refcount.
> >
> > Please note that I made this patch against linux-next with your
> > latest three patches applied.
> 
> I looked this over and it seems like it's already handled in Alex's latest 
> patchset (v15); can you take a look and make sure, Kenji-san (see Alex's 
> latest mail to you too).

I am about to send out a v16, which is based off of Jesse's
pci-2.6 tree, linux-next branch.

It would be good to verify that latest patchset.

Thanks,

/ac

> I just need acks from you and Kristen before pushing this...
> 
> Thanks,
> Jesse
> 
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