Messages in this thread |  | | | Date | Wed, 14 Nov 2007 18:03:56 +0000 | | From | Matthew Garrett <> | | Subject | Re: [PATCH 0/5][RFC] Physical PCI slot objects |
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On Wed, Nov 14, 2007 at 09:51:51AM -0800, Greg KH wrote: > On Wed, Nov 14, 2007 at 05:44:01PM +0000, Matthew Garrett wrote: > > Dumping raw ACPI tables isn't adequate - _SUN might be a complex ACPI > > method with multiple reads and writes to raw hardware, and we really > > don't want to do that in userspace. The only way to do this reliably is > > in the kernel. > > But it really isn't, as the firmware kit has proven...
The firmware toolkit will only work if the _SUN method merely returns a hardcoded value. The spec doesn't require that that be the case, and it's easy to imagine situations where it won't.
-- Matthew Garrett | mjg59@srcf.ucam.org - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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