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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Borislav Petkov <bp@alien8.de>, Ingo Molnar <mingo@elte.hu>,
	the arch/x86 maintainers <x86@kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Xen Devel <Xen-devel@lists.xensource.com>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Subject: Re: [PATCH 0/2] x86/microcode: support for microcode update in Xen dom0
Date: Tue, 01 Feb 2011 14:52:33 -0800	[thread overview]
Message-ID: <4D488EB1.9020803@goop.org> (raw)
In-Reply-To: <4D475DB5.1020300@zytor.com>

On 01/31/2011 05:11 PM, H. Peter Anvin wrote:
> Note: Xen may not have devices, but it is already using multiboot to
> load multiple modules.  It could load the microcode blob that way.
>
> That would enable an earlier loading of microcode, which is a very
> good thing.

Yes, that is a thought, but it would require some distro support to make
sure the firmware is copied into /boot, and grub updated appropriately.

The principle advantage of updating the microcode driver is that it Just
Works regardless of whether the system is booting native or Xen.

    J

  reply	other threads:[~2011-02-01 22:52 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-29  0:26 [PATCH 0/2] x86/microcode: support for microcode update in Xen dom0 Jeremy Fitzhardinge
     [not found] ` <cover.1296260656.git.jeremy.fitzhardinge@citrix.com>
2011-01-29  0:26   ` [PATCH 1/2] xen dom0: Add support for the platform_ops hypercall Jeremy Fitzhardinge
2011-01-29  0:26   ` [PATCH 2/2] xen: add CPU microcode update driver Jeremy Fitzhardinge
2011-01-30 11:33 ` [PATCH 0/2] x86/microcode: support for microcode update in Xen dom0 Borislav Petkov
2011-01-31  2:34   ` Jeremy Fitzhardinge
2011-01-31  7:02     ` Borislav Petkov
2011-01-31 18:17       ` Jeremy Fitzhardinge
2011-01-31 23:41         ` Borislav Petkov
2011-02-01  0:15           ` Jeremy Fitzhardinge
2011-02-01  1:11             ` H. Peter Anvin
2011-02-01 22:52               ` Jeremy Fitzhardinge [this message]
2011-02-02 19:52                 ` H. Peter Anvin
2011-02-02 20:05                   ` Jeremy Fitzhardinge
2011-02-02 20:34                     ` Thomas Gleixner
2011-02-03  0:55                     ` Henrique de Moraes Holschuh
2011-02-03  0:58                       ` H. Peter Anvin
2011-02-03  7:47                       ` Borislav Petkov
2011-02-03 16:05                         ` Henrique de Moraes Holschuh
2011-02-02 20:57                   ` Borislav Petkov
2011-02-02 21:47                     ` H. Peter Anvin
2011-02-03 18:25                       ` Borislav Petkov
2011-02-03 18:33                         ` H. Peter Anvin
2011-02-01 11:00             ` Borislav Petkov
2011-02-01 23:12               ` Jeremy Fitzhardinge
2011-02-02  9:54                 ` Borislav Petkov
2011-02-02 12:48                   ` Henrique de Moraes Holschuh
2011-02-02 18:05                   ` Jeremy Fitzhardinge
2011-02-02 18:29                   ` Jeremy Fitzhardinge

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