linux-kernel - Re: [PATCH v4 06/12] efi: export efi runtime memory mapping to sysfs

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Message-ID: <20131202025141.GE3999@dhcp-16-126.nay.redhat.com>
Date:	Mon, 2 Dec 2013 10:51:41 +0800
From:	Dave Young <dyoung@...hat.com>
To:	Matt Fleming <matt@...sole-pimps.org>
Cc:	Borislav Petkov <bp@...en8.de>, linux-kernel@...r.kernel.org,
	linux-efi@...r.kernel.org, x86@...nel.org, mjg59@...f.ucam.org,
	hpa@...or.com, James.Bottomley@...senPartnership.com,
	vgoyal@...hat.com, ebiederm@...ssion.com, horms@...ge.net.au,
	kexec@...ts.infradead.org, greg@...ah.com, toshi.kani@...com
Subject: Re: [PATCH v4 06/12] efi: export efi runtime memory mapping to sysfs

On 11/29/13 at 11:59am, Matt Fleming wrote:
> On Fri, 29 Nov, at 12:50:29PM, Borislav Petkov wrote:
> > > I did not add KEXEC because I thought it can be used for debugging
> > > purpose.
> > 
> > mfleming is thinking about it :)
>  
> I finally finished my thought. The sysfs code should be automatically
> enabled only if CONFIG_KEXEC is enabled, and not on my default because
> it is a debug interface. While it's true that the code may be useful for
> debugging the memory mappings of EFI systems, it doesn't make sense to
> always turn it on just for CONFIG_X86 and CONFIG_EFI.

Ok, will enable it only for CONFIG_X86 and CONFIG_EFI and CONFIG_KEXEC

> 
> -- 
> Matt Fleming, Intel Open Source Technology Center
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