linux-kernel - Re: [PATCH 1/3] rtc-efi: register rtc-efi device when EFI enabled

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Message-ID: <E99CBA9F97C3D149AA6B19ED2E277C9B0192169D@BY2PRD0510MB365.namprd05.prod.outlook.com>
Date:	Fri, 28 Dec 2012 23:39:41 +0000
From:	Matthew Garrett <matthew.garrett@...ula.com>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	"Lee, Chun-Yi" <joeyli.kernel@...il.com>,
	"matt.fleming@...el.com" <matt.fleming@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
	"Lee, Chun-Yi" <jlee@...e.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Jan Beulich <JBeulich@...e.com>, Len Brown <lenb@...nel.org>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: [PATCH 1/3] rtc-efi: register rtc-efi device when EFI enabled

On Fri, 2012-12-28 at 15:32 -0800, H. Peter Anvin wrote:
> No, that is explicitly the ordering that is excludable.

Windows uses the UEFI time functions. The fact that they fail for us on
a bunch of systems is just another symptom of our general failure to
accurately mimic Windows when making runtime calls, and we should just
make sure that that gets fixed rather than layering more workarounds on
top. It's an embarrassment that we're still unable to deal with
platforms that work fine with another OS.