linux-kernel - Re: [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0

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:	Tue, 18 Oct 2011 11:35:34 +0200
From:	Borislav Petkov <bp@...64.org>
To:	Christoph Egger <Christoph.Egger@....com>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>,
	the arch/x86 maintainers <x86@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Borislav Petkov <bp@...64.org>,
	Xen Devel <xen-devel@...ts.xensource.com>,
	Tigran Aivazian <tigran@...azian.fsnet.co.uk>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode
 update in Xen dom0

On Tue, Oct 18, 2011 at 04:56:22AM -0400, Christoph Egger wrote:
> I think this approach is good to get the microcode applied as
> early as possible at boot time. But on servers you usually do not want
> to reboot the machine unless you do a BIOS update which will apply
> the new microcode anyway. So for applying the microcode update
> at runtime I would like to keep the existing API.

No, you don't want to keep the existing API and you know it. I've
explained to you last week why.

-- 
Regards/Gruss,
Boris.

Operating Systems Research Center
Advanced Micro Devices, Inc.
--
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/