linux-kernel - Re: [PATCH 7/7] efi_rtc: probe function error out in case no efi runtime enabled

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Message-ID: <20140925211855.GS18635@console-pimps.org>
Date:	Thu, 25 Sep 2014 22:18:55 +0100
From:	Matt Fleming <matt@...sole-pimps.org>
To:	Mark Salter <msalter@...hat.com>
Cc:	Dave Young <dyoung@...hat.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, hpa@...or.com,
	Alessandro Zummo <a.zummo@...ertech.it>,
	Leif Lindholm <leif.lindholm@...aro.org>,
	Ard Biesheuvel <ard.biesheuvel@...aro.org>,
	Randy Dunlap <rdunlap@...radead.org>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-efi@...r.kernel.org, Daniel Kiper <daniel.kiper@...cle.com>,
	Russ Anderson <rja@....com>, rtc-linux@...glegroups.com
Subject: Re: [PATCH 7/7] efi_rtc: probe function error out in case no efi
 runtime enabled

On Mon, 22 Sep, at 12:33:29PM, Mark Salter wrote:
> 
> Is this still needed after commit da167ad7638759:
> 
>   rtc: ia64: allow other architectures to use EFI RTC

Umm... we should really look at disabling this for x86, since the EFI
time functions don't work on a bunch of machines I've got here.

And it looks like someone enabled this driver and triggered an oops on
their 32-bit EFI tablet,

  https://bugzilla.kernel.org/show_bug.cgi?id=84241#c21
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