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

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Message-ID: <20131127081753.GA19809@dhcp-16-126.nay.redhat.com>
Date:	Wed, 27 Nov 2013 16:17:53 +0800
From:	Dave Young <dyoung@...hat.com>
To:	Matt Fleming <matt@...sole-pimps.org>
Cc:	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, bp@...en8.de, greg@...ah.com,
	toshi.kani@...com
Subject: Re: [PATCH v4 06/12] efi: export efi runtime memory mapping to sysfs

On 11/27/13 at 11:07am, Dave Young wrote:
> > > It will not work for efi 32bit. Only x86_64 currently.
> >  
> > Actually, exporting the tables does work for 32-bit, right? It's just
> > that kexec doesn't work for 32-bit EFI?
> 
> It does not make sense to export them for 32-bit because we do not
> support kexec efi on 32-bit. Will change the description to below:
> 
> "kexec efi boot on 32-bit is not supported so I only export the tables
> for 64-bit efi system."

I thought about only enabling it for x86_64 and efi is in .config.
Rethinking about this, since exporting code will also work for 32-bit so I
will remove the lines you mentioned.

Thanks
Dave
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