linux-kernel - Re: EFI runtime-services on x86

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] [day] [month] [year] [list]

Message-ID: <20100803221537.GA4893@srcf.ucam.org>
Date:	Tue, 3 Aug 2010 23:15:37 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Huang Ying <ying.huang@...el.com>,
	"Tang, Feng" <feng.tang@...el.com>,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: EFI runtime-services on x86_64

On Tue, Aug 03, 2010 at 02:58:10PM -0700, Eric W. Biederman wrote:

> Only if you have EFI runtime services enabled in your kernel.  You can
> skip the efi junk and the kernel runs just fine.  Doing what we do on
> every other platform which appears to be a combination of ACPI and
> direct hardware access appears to be good enough, and that is a path
> that actually gets tested regularly.

I think wanting to set the nvram variables so that your bootloader works 
is a pretty typical usecase...
-- 
Matthew Garrett | mjg59@...f.ucam.org
--
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/