From: "H. Peter Anvin" <hpa@zytor.com>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Borislav Petkov <bp@amd64.org>,
the arch/x86 maintainers <x86@kernel.org>,
Tigran Aivazian <tigran@aivazian.fsnet.co.uk>,
Xen Devel <xen-devel@lists.xensource.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>,
Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0
Date: Wed, 12 Oct 2011 13:22:41 -0700 [thread overview]
Message-ID: <4E95F711.2090004@zytor.com> (raw)
In-Reply-To: <4E95E7FE.6050302@goop.org>
On 10/12/2011 12:18 PM, Jeremy Fitzhardinge wrote:
> If there were a general shift to "this is how we're going to do
> microcode in the future", then Xen will happily go along for the ride.
It *is* how we want to do microcode in the future. There is a prototype
for the Intel hardware side here; we just haven't had time to finalize
it partly because I got pulled onto the kernel.org situation.
> But for right now, this patch seems like the pragmatic solution.
No.
> I think the real question is where there's something objectionable about
> the patch itself?
"It does something that is slightly broken on real hardware and totally
broken for a hypervisor and perpetuates it, while still needing enabling?"
-hpa
next prev parent reply other threads:[~2011-10-12 20:23 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-26 18:17 [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0 Jeremy Fitzhardinge
2011-09-26 18:18 ` [PATCH 1/3] xen/acpi: Domain0 acpi parser related platform hypercall Jeremy Fitzhardinge
2011-09-26 18:18 ` [PATCH 2/3] xen: add dom0_op hypercall Jeremy Fitzhardinge
2011-09-26 18:18 ` [PATCH 3/3] xen: add CPU microcode update driver Jeremy Fitzhardinge
2011-10-12 0:40 ` [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0 Jeremy Fitzhardinge
2011-10-12 10:16 ` Borislav Petkov
2011-10-12 15:39 ` Jeremy Fitzhardinge
2011-10-12 15:39 ` Jeremy Fitzhardinge
2011-10-12 18:18 ` H. Peter Anvin
2011-10-12 19:18 ` Jeremy Fitzhardinge
2011-10-12 19:45 ` Borislav Petkov
2011-10-12 20:40 ` Konrad Rzeszutek Wilk
2011-10-12 21:31 ` H. Peter Anvin
2011-10-12 21:40 ` Borislav Petkov
2011-10-12 22:49 ` H. Peter Anvin
2011-10-12 23:40 ` Jeremy Fitzhardinge
2011-10-12 23:55 ` H. Peter Anvin
2011-10-13 0:00 ` Jeremy Fitzhardinge
2011-10-13 0:03 ` H. Peter Anvin
2011-10-13 7:00 ` Borislav Petkov
2012-01-04 0:49 ` Sven Köhler
2011-10-13 7:33 ` Borislav Petkov
2011-10-13 9:57 ` Borislav Petkov
2011-10-13 16:44 ` H. Peter Anvin
2011-10-17 17:08 ` [Xen-devel] " Konrad Rzeszutek Wilk
2011-10-17 17:40 ` H. Peter Anvin
2011-10-18 1:11 ` Henrique de Moraes Holschuh
2011-10-18 8:56 ` Christoph Egger
2011-10-18 9:35 ` Borislav Petkov
2011-10-18 9:49 ` Christoph Egger
[not found] ` <m2n.s.1RGYF2-136675@chiark.greenend.org.uk>
2011-10-25 16:53 ` Ian Jackson
2011-10-12 22:27 ` Jeremy Fitzhardinge
2011-10-12 22:29 ` H. Peter Anvin
2011-10-12 22:29 ` H. Peter Anvin
2011-10-12 22:33 ` Jeremy Fitzhardinge
2011-10-12 22:34 ` H. Peter Anvin
2011-10-12 22:38 ` Borislav Petkov
2011-10-12 20:22 ` H. Peter Anvin [this message]
2011-10-12 22:34 ` Jeremy Fitzhardinge
2011-10-12 22:36 ` H. Peter Anvin
[not found] ` <m2n.s.1RE5NW-151309@chiark.greenend.org.uk>
2011-10-17 13:47 ` [Xen-devel] " Ian Jackson
2011-11-03 15:06 ` Ben Guthro
2011-11-03 16:47 ` [Xen-devel] " Jeremy Fitzhardinge
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