linux-kernel - Re: RFC: default CONFIG_EFI

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Message-ID: <1376062345.2087.16.camel@dabdike.int.hansenpartnership.com>
Date:	Fri, 09 Aug 2013 08:32:25 -0700
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Matt Fleming <matt.fleming@...el.com>
Subject: Re: RFC: default CONFIG_EFI_STUB=y

On Fri, 2013-08-09 at 08:23 -0700, H. Peter Anvin wrote:
> I would like to change the defaults for CONFIG_EFI and CONFIG_EFI_STUB
> to y.  There is little reason to omit this since EFI now is a
> significant percentage of all systems.

You didn't actually attach the patch, but I presume this is for 64 bit
compiles on x86 only?  We still have significant problems getting 64 bit
EFI to interact with 32 bit kernels, so I don't believe we should enable
CONFIG_EFI globally for all of x86.

James


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