Re: [PATCH 1/3] rtc-efi: register rtc-efi device when EFI enabled

From: H. Peter Anvin
Date: Fri Dec 28 2012 - 19:43:12 EST


On 12/28/2012 03:39 PM, Matthew Garrett wrote:
> On Fri, 2012-12-28 at 15:32 -0800, H. Peter Anvin wrote:
>> No, that is explicitly the ordering that is excludable.
>
> Windows uses the UEFI time functions. The fact that they fail for us on
> a bunch of systems is just another symptom of our general failure to
> accurately mimic Windows when making runtime calls, and we should just
> make sure that that gets fixed rather than layering more workarounds on
> top. It's an embarrassment that we're still unable to deal with
> platforms that work fine with another OS.
>

Are they using them in preference to ACPI? This seems a bit odd, since
one can presume that the ACPI functions were added at Microsoft's request...

-hpa

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