linux-kernel - Re: [PATCH] x86_64/efi: Mapping Boot and Runtime EFI memory regions to different starting virtual address

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Message-ID: <20150730080323.GD8984@nazgul.tnic>
Date:	Thu, 30 Jul 2015 10:03:23 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	"H. Peter Anvin" <hpa@...or.com>,
	Matt Fleming <matt@...eblueprint.co.uk>
Cc:	"Lee, Chun-Yi" <joeyli.kernel@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
	linux-efi@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Lee, Chun-Yi" <jlee@...e.com>
Subject: Re: [PATCH] x86_64/efi: Mapping Boot and Runtime EFI memory regions
 to different starting virtual address

On Thu, Jul 30, 2015 at 12:53:42AM -0700, H. Peter Anvin wrote:
> This changelog is at least partially incomprehensive. It also seems
> more than a bit aggressive to expect that 1 GB will be sufficient
> forever.

Right, before we do anything, I'd like for us to figure out first why
this is a problem all of a sudden. And why should we even keep boot
code/data, if it is fair game, once runtime services get enabled.

Matt, can you please chime in first before we even talk about a
solution...

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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