linux-kernel - Re: [patch 5/9 v3] efi: export more efi table variable to sysfs

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Date:	Mon, 25 Nov 2013 13:28:58 +0800
From:	Dave Young <dyoung@...hat.com>
To:	Borislav Petkov <bp@...en8.de>
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, greg@...ah.com, matt@...sole-pimps.org,
	toshi.kani@...com
Subject: Re: [patch 5/9 v3] efi: export more efi table variable to sysfs

On 11/23/13 at 02:15pm, Borislav Petkov wrote:
> On Fri, Nov 22, 2013 at 10:48:50AM +0800, Dave Young wrote:
> > > 	efi.config_table = (unsigned long)efi.systab->tables;
> > > 	efi.fw_vendor	 = (unsigned long)efi.systab->fw_vendor;
> > > 	efi.runtime	 = (unsigned long)efi.systab->runtime;
> > 
> > Hmm, UEFI spec mentions the them like below so I use the order:
> 
> I'm sure by now you know you should not really trust the UEFI spec, or
> any other spec for that matter :)
> 
> > Several fields of the EFI System Table must be converted from
> > physical pointers to virtual pointers using the ConvertPointer()
> > service. These fields include FirmwareVendor, RuntimeServices,
> > and ConfigurationTable.
> > 
> > But since you like the reverse I can change it in next version.
> 
> The reverse was simply a suggestion. The vertical alignment was more
> what I aimed at because it makes this chunk much more readable IMO.
> 

Got your point about alignment, will update.

--
Thanks
Dave
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