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SubjectRe: [PATCH, resend] x86: enable rtc-efi
>>> On 15.05.12 at 15:16, Matthew Garrett <mjg59@srcf.ucam.org> wrote:
> On Tue, May 15, 2012 at 02:08:54PM +0100, Jan Beulich wrote:
>
>> So how is this driver okay on ia64 then? It's my understanding
>> that either it's entirely broken, or should be used universally.
>> That's the more that accessing the RTC directly isn't really being
>> permitted by the EFI spec (i.e. using this driver really is a
>> requirement, not an option).
>
> ia64 is basically never dual booted. If there's an RTC in the ACPI
> tables then it's completely valid to use the legacy RTC.

I don't think so - the two drivers could end up manipulating the
same piece of hardware, without synchronization. rtc-cmos
really should bail when loaded on an EFI-enabled system.

Jan



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