linux-kernel - Re: [PATCH] samsung-laptop: Disable if CONFIG

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1352117386.14888.276.camel@mfleming-mobl1.ger.corp.intel.com>
Date:	Mon, 05 Nov 2012 12:09:46 +0000
From:	Matt Fleming <matt@...sole-pimps.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	Corentin Chary <corentincj@...aif.net>,
	Matthew Garrett <mjg@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>, linux-efi@...r.kernel.org,
	"platform-driver-x86@...r.kernel.org" 
	<platform-driver-x86@...r.kernel.org>,
	Alessandro Crismani <alessandro.crismani@...il.com>,
	Mikhail Bakhterev <mike.bakhterev@...il.com>,
	Patrick H <kernel@...storm.net>,
	"H. Peter Anvin" <hpa@...or.com>, stable@...r.kernel.org
Subject: Re: [PATCH] samsung-laptop: Disable if CONFIG_EFI=y

On Mon, 2012-11-05 at 12:07 +0000, Alan Cox wrote:
> > There is the 'efi_enabled' variable, but it doesn't strictly mean
> > "this_is_a_uefi_system()", it actually means "Do we have EFI runtime
> > services?". The whole thing is a bit of a mess and I'm planning on
> > cleaning it up this week.
> 
> 
> As far as I can understand it we should be reserving those areas on a
> UEFI booted machine and just marking them as busy so that they are not
> available to any drivers to go peering into.

Yes, that would be the best way to resolve this going forward.

-- 
Matt Fleming, Intel Open Source Technology Center

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/