Re: [PATCH 02/14] x86-64/efi: Use EFI to deal with platform wallclock (again)

From: H. Peter Anvin
Date: Mon Dec 23 2013 - 18:26:26 EST


On 12/20/2013 03:29 AM, One Thousand Gnomes wrote:
> On Thu, 19 Dec 2013 21:32:19 +0800
> joeyli <jlee@xxxxxxxx> wrote:
>
>> æ åï2013-12-19 æ 10:49 +0000ïMatt Fleming æåï
>>> On Thu, 19 Dec, at 06:20:16PM, Lee, Chun-Yi wrote:
>>>> From: Jan Beulich <JBeulich@xxxxxxxx>
>>>>
>>>> Other than ix86, x86-64 on EFI so far didn't set the
>>>> {g,s}et_wallclock accessors to the EFI routines, thus
>>>> incorrectly using raw RTC accesses instead.
>
> Probably wise.
>
> Before anyone reverts that please make sure it also works on EFI32,
> because right now we crash and burn on multiple EFI32 tablets querying
> the time.
>

Quite -- we in fact did just the opposite (checkin 04bf9ba720fc).

-hpa

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