linux-kernel - Re: 2.6.39.1 immediately reboots/resets on EFI system

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]

Date:	Wed, 8 Jun 2011 20:23:21 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Jim Bos <jim876@...all.nl>, "H. Peter Anvin" <hpa@...ux.intel.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Maarten Lankhorst <m.b.lankhorst@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...e.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: 2.6.39.1 immediately reboots/resets on EFI system

On Wed, Jun 08, 2011 at 12:17:52PM -0700, Yinghai Lu wrote:
> we need to revert patch from mjg.
> 
> From 916f676f8dc016103f983c7ec54c18ecdbb6e349 Mon Sep 17 00:00:00 2001
> From: Matthew Garrett <mjg@...hat.com>
> Date: Wed, 25 May 2011 09:53:13 -0400
> Subject: [PATCH] x86, efi: Retain boot service code until after switching to
>  virtual mode

That's not a long-term option, since we have no way to distinguish 
between a machine that requires boot services code to be mapped and a 
machine that doesn't. Reverting just breaks the former set again. We 
need to ensure that the kernel isn't overlapping boot services code.

-- 
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/