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xen-devel
[Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update
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To: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
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Subject: |
[Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0 |
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From: |
"H. Peter Anvin" <hpa@xxxxxxxxx> |
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Date: |
Wed, 12 Oct 2011 16:55:00 -0700 |
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Cc: |
the arch/x86 maintainers <x86@xxxxxxxxxx>, Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Tigran Aivazian <tigran@xxxxxxxxxxxxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx> |
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Wed, 12 Oct 2011 16:56:29 -0700 |
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References: |
<cover.1317060617.git.jeremy.fitzhardinge@xxxxxxxxxx> <4E94E1E5.4070505@xxxxxxxx> <20111012101615.GA14966@aftab> <4E95D9E7.6090304@xxxxxxxxx> <4E95E7FE.6050302@xxxxxxxx> <20111012194543.GD14966@aftab> <20111012204048.GA22260@xxxxxxxxxxxxxxxxx> <4E960746.90805@xxxxxxxxx> <20111012214013.GD28723@aftab> <4E96198F.4030906@xxxxxxxxx> <4E962581.2000605@xxxxxxxx> |
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On 10/12/2011 04:40 PM, Jeremy Fitzhardinge wrote:
On 10/12/2011 03:49 PM, H. Peter Anvin wrote:
The stickiest part of all of this is where to leave the microcode so
the kernel can get to it way early. We could use the linked list, but
that would mean bootloader enabling; another idea was to stick it as a
prefix to the initramfs identified by a signature.
I think it would be easiest for the multiboot case if it were a separate
file, but I don't feel I'm really up on all the details.
For the multiboot case, yes of course.
Some bootloaders allow initramfs to be concatenated from multiple files;
unfortunately I'm not sure if Grub ever grew that capability. Sigh.
-hpa
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- [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0, (continued)
- [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0, Borislav Petkov
- [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0, Konrad Rzeszutek Wilk
- [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0, H. Peter Anvin
- [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0, Borislav Petkov
- [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0, H. Peter Anvin
- [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0, Jeremy Fitzhardinge
- [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0,
H. Peter Anvin <=
- [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0, Jeremy Fitzhardinge
- [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0, H. Peter Anvin
- [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0, Borislav Petkov
- [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0, Borislav Petkov
- [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0, Borislav Petkov
- [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0, H. Peter Anvin
- Re: [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0, Konrad Rzeszutek Wilk
- Re: [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0, H. Peter Anvin
- Re: [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0, Henrique de Moraes Holschuh
- Re: [Xen-devel] Re: [PATCH 0/3] x86/microcode: support for microcode update in Xen dom0, Christoph Egger
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