Re: [bug] PCI hotplug, ibmphp_access_ebda: WARNING: at arch/x86/mm/ioremap.c:182 __ioremap_caller+0x2d1/0x340()

[Jesse Barnes]

On Saturday, July 26, 2008 6:15 am Ingo Molnar wrote:
> FYI, -tip testing triggered the new warning below on a testbox. I
> suspect it's related to recent commits in drivers/pci/hotplug/.
> I'm wondering, why does a driver map the EBDA? That's a really lowlevel
> thing.

AFAICT, this driver digs around in there for hotplug controller configuration 
(cc'ing Greg since he appears to be one of the original authors).  It's a 
custom platform driver too, that may be the only method available there.  Is 
there a shadow copy of the EDBA somewhere we should be using instead?

Jesse
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