Re: [RFC PATCH 06/14] rtc-efi: register rtc-efi device when EFI enabled

[H. Peter Anvin]

The only real use case for the RTC TZ is compatibility with other operating systems that don't keep the time in UTC, at least as far as I can tell.  However, that is a fairly big one, especially in VM deployments.

Borislav Petkov <bp@xxxxxxxxx> wrote:
>On Thu, Dec 19, 2013 at 08:30:48PM -0800, H. Peter Anvin wrote:
>> On 12/19/2013 08:24 PM, joeyli wrote:
>> > I agreed, but userspace application should not be too often to
>access
>> > RTC. Maybe only when system boot and set timezone.
>>
>> This is, quite frankly, an idiotic argument.
>
>TBH, I've been struggling with the question too - and it might even be
>a
>stupid question - but what is that absolute need to be able to get the
>TZ in userspace? Why should I care?
>
>Can we get some use cases for stupid people like me please?
>
>Thanks.

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