* Re-enabling EFI RTC on X86 for modern systems
@ 2024-09-10 23:58 Pavel Nikulin
2024-09-16 12:24 ` Alexandre Belloni
0 siblings, 1 reply; 2+ messages in thread
From: Pavel Nikulin @ 2024-09-10 23:58 UTC (permalink / raw)
To: alexandre.belloni, linux-rtc
Hello,
I noticed that EFI RTC was disabled on X86 really long time ago due to
Intel reference firmwares coming with broken EFI.
I edited the Kconfig to enable it, and see how it works on my laptop
(AMD HX370). I can confirm that it boots well. I have not done any
more extensive tests than that.
What do you think about re-enabling EFI RTC behind some expert config
flag, and ask more people to test it on modern X86 hardware?
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Re-enabling EFI RTC on X86 for modern systems
2024-09-10 23:58 Re-enabling EFI RTC on X86 for modern systems Pavel Nikulin
@ 2024-09-16 12:24 ` Alexandre Belloni
0 siblings, 0 replies; 2+ messages in thread
From: Alexandre Belloni @ 2024-09-16 12:24 UTC (permalink / raw)
To: Pavel Nikulin; +Cc: linux-rtc
Hello,
On 11/09/2024 03:58:49+0400, Pavel Nikulin wrote:
> Hello,
>
> I noticed that EFI RTC was disabled on X86 really long time ago due to
> Intel reference firmwares coming with broken EFI.
>
> I edited the Kconfig to enable it, and see how it works on my laptop
> (AMD HX370). I can confirm that it boots well. I have not done any
> more extensive tests than that.
>
> What do you think about re-enabling EFI RTC behind some expert config
> flag, and ask more people to test it on modern X86 hardware?
I don't mind do that, I believe the issue is that this is going to break
the users that have a broken EFI and rely on CMOS. Please copy the x86
maintainers on your patch.
Regards,
--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
^ permalink raw reply [flat|nested] 2+ messages in thread
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