Messages in this thread | | | Date | Thu, 16 Jun 2011 02:57:36 +0100 | From | Matthew Garrett <> | Subject | Re: [PATCH] ACPI, APEI, Add APEI _OSC support |
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On Thu, Jun 16, 2011 at 09:55:58AM +0800, Huang Ying wrote: > On 06/16/2011 09:38 AM, Matthew Garrett wrote: > > I think we probably need to make the HEST decision early, and use that > > to decide how to make the generic call. Our experience has been that > > many firmware vendors only expect _OSC to be called once with any given > > UUID - multiple calls can result in unexpected behaviour. > > acpi_bus_osc_support is called via subsys_initcall. It is a little hard > to do all checking before that. Is it possible to call > acpi_bus_osc_support later?
Yeah, this is going to be a problem. We have the HEST available at this point so we ought to be able to parse it, though. I'll take a look tomorrow.
-- Matthew Garrett | mjg59@srcf.ucam.org
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