From: Matthew Garrett <mjg59@srcf.ucam.org>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: linux-efi@vger.kernel.org, linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] x86/efi: pull NV+BS variables out before we exit boot services
Date: Tue, 19 Mar 2013 01:48:50 +0000 [thread overview]
Message-ID: <20130319014850.GA28934@srcf.ucam.org> (raw)
In-Reply-To: <1363596014.2412.8.camel@dabdike.int.hansenpartnership.com>
On Mon, Mar 18, 2013 at 08:40:14AM +0000, James Bottomley wrote:
> The object here is to make the NV+BS variables accessible (at least read only)
> at runtime so we can get a full picture of the state of the EFI variables for
> debugging and secure boot purposes.
I'd really prefer not to do this - the reason these aren't flagged as RT
is that they're not supposed to be visible at runtime and may break
certain security assumptions. If there's a real development purpose to
this then it ought to be guarded as a config option.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2013-03-19 1:48 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-18 8:40 [PATCH] x86/efi: pull NV+BS variables out before we exit boot services James Bottomley
2013-03-19 1:48 ` Matthew Garrett [this message]
2013-03-19 8:14 ` James Bottomley
2013-03-19 16:35 ` Matthew Garrett
2013-03-19 17:17 ` James Bottomley
2013-03-19 17:25 ` Matthew Garrett
2013-03-19 18:23 ` James Bottomley
2013-03-19 18:28 ` Matthew Garrett
2013-03-19 18:40 ` James Bottomley
2013-03-19 18:50 ` Matthew Garrett
2013-03-19 23:00 ` James Bottomley
2013-03-19 23:17 ` Matthew Garrett
2013-03-20 8:00 ` James Bottomley
2013-03-20 11:47 ` Matthew Garrett
2013-03-20 11:26 ` Matt Fleming
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