linux-kernel - Re: [PATCH 1/2] efi: Make 'efi_enabled' a function to query EFI facilities

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Message-ID: <20130121205611.GA15093@srcf.ucam.org>
Date:	Mon, 21 Jan 2013 20:56:11 +0000
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Dave Jiang <dave.jiang@...el.com>
Cc:	Matt Fleming <matt@...sole-pimps.org>,
	linux-kernel@...r.kernel.org, linux-efi@...r.kernel.org,
	Tim Gardner <rtg.canonical@...il.com>,
	"H. Peter Anvin" <hpa@...or.com>, Olof Johansson <olof@...om.net>,
	Tony Luck <tony.luck@...el.com>,
	Steve Langasek <steve.langasek@...onical.com>,
	Colin Ian King <colin.king@...onical.com>,
	Matt Fleming <matt.fleming@...el.com>,
	David Airlie <airlied@...ux.ie>,
	Corentin Chary <corentincj@...aif.net>,
	Peter Jones <pjones@...hat.com>,
	Konrad Rzeszutek Wilk <konrad@...nel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, stable@...r.kernel.org,
	"Dorau, Lukasz" <lukasz.dorau@...el.com>
Subject: Re: [PATCH 1/2] efi: Make 'efi_enabled' a function to query EFI
 facilities

On Mon, Jan 21, 2013 at 01:54:30PM -0700, Dave Jiang wrote:

> I think that here we may need to be checking efi_enabled(EFI_BOOT)
> instead. We are interested in the kernel was booted from EFI and
> that EFI variables support is present. Or is getting efi variable
> part of runtime services?

GetVariable is part of runtime services, yes.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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