linux-kernel - Re: [RFC PATCH 02/16] x86/efi: Add get and set variable to EFI services pointer table

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Message-ID: <20150731101452.GE13113@linux-rxt1.site>
Date:	Fri, 31 Jul 2015 18:14:52 +0800
From:	joeyli <jlee@...e.com>
To:	Matt Fleming <matt.fleming@...el.com>
Cc:	"Lee, Chun-Yi" <joeyli.kernel@...il.com>,
	linux-kernel@...r.kernel.org, linux-efi@...r.kernel.org,
	linux-pm@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl>,
	Matthew Garrett <matthew.garrett@...ula.com>,
	Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
	Josh Boyer <jwboyer@...hat.com>,
	Vojtech Pavlik <vojtech@...e.cz>,
	Jiri Kosina <jkosina@...e.cz>, "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [RFC PATCH 02/16] x86/efi: Add get and set variable to EFI
 services pointer table

On Thu, Jul 30, 2015 at 04:19:58PM +0100, Matt Fleming wrote:
> On Thu, 2015-07-16 at 22:25 +0800, Lee, Chun-Yi wrote:
> > Add get variable and set variable function to EFI services pointer
> > table for supporting later functions of hibernate signature
> > verification to keep the HMAC key in efi boot service veriable.
> > 
> > Signed-off-by: Lee, Chun-Yi <jlee@...e.com>
> 
> Maybe mention that we want to be able to read/write variables from
> within the EFI boot stub? That's really why you want to add
> {get,set}_variable pointers.
>

I will add more detail for accessing efi boot service
variable is because that will not touched by unauthenticated
codes.
 
> s/veriable/variable/
> 

I will fix the typo.

> Rest of the patch looks good.
> 

Thanks a lot!
Joey Lee
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