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From: Andi Kleen <andi@firstfloor.org>
To: Jan Beulich <jbeulich@novell.com>
Cc: Andi Kleen <andi@firstfloor.org>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>,
	Jeremy Fitzhardinge <jeremy@goop.org>,
	Arjan van de Ven <arjan@infradead.org>,
	the arch/x86 maintainers <x86@kernel.org>,
	Xen-devel <xen-devel@lists.xensource.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [Xen-devel] [PATCH 10/24] xen: mask XSAVE from cpuid
Date: Tue, 17 Mar 2009 11:48:17 +0100	[thread overview]
Message-ID: <20090317104817.GO11935@one.firstfloor.org> (raw)
In-Reply-To: <49BF6505.76E4.0078.0@novell.com>

> No, properly coded xsave support will (hopefully) make user-visible context
> extensions transparent to hypervisor and OS. But I was giving a general
> example here, and the change from xmm to ymm registers is one that does
> need hypervisor (and OS) changes.

Again except for XSAVE support it doesn't, does it?

-Andi

  reply	other threads:[~2009-03-17 10:48 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-13  8:11 [GIT PULL] 2.6.30 Xen core updates Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 01/24] xen: disable preempt for leave_lazy_mmu Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 02/24] xen: separate p2m allocation from setting Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 03/24] xen: dynamically allocate p2m tables Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 04/24] xen: split construction of p2m mfn tables from registration Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 05/24] xen: clean up xen_load_gdt Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 06/24] xen: make xen_load_gdt simpler Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 07/24] xen: remove xen_load_gdt debug Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 08/24] xen: reserve i386 Xen pagetables Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 09/24] NULL noise: arch/x86/xen/smp.c Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 10/24] xen: mask XSAVE from cpuid Jeremy Fitzhardinge
2009-03-13  9:50   ` [Xen-devel] " Jan Beulich
2009-03-13 15:13     ` Jeremy Fitzhardinge
2009-03-15 18:45       ` H. Peter Anvin
2009-03-15 21:03         ` Jeremy Fitzhardinge
2009-03-15 22:47           ` Arjan van de Ven
2009-03-16  0:05             ` Jeremy Fitzhardinge
2009-03-16  0:09               ` Arjan van de Ven
2009-03-16  0:57                 ` H. Peter Anvin
2009-03-16 14:16                 ` Jan Beulich
2009-03-16 14:29                   ` Arjan van de Ven
2009-03-16 23:59                   ` Andi Kleen
2009-03-17  1:33                     ` H. Peter Anvin
2009-03-17 11:56                       ` Andi Kleen
2009-03-17 15:48                         ` H. Peter Anvin
2009-03-17 15:49                         ` Arjan van de Ven
2009-03-17 15:55                           ` Andi Kleen
2009-03-17  7:53                     ` Jan Beulich
2009-03-17 10:48                       ` Andi Kleen [this message]
2009-03-17 10:55                         ` Jan Beulich
2009-03-13  8:11 ` [PATCH 11/24] xen: add FIX_TEXT_POKE to fixmap Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 12/24] x86-64: remove PGE from must-have feature list Jeremy Fitzhardinge
2009-03-15 21:18   ` H. Peter Anvin
2009-03-15 21:25     ` Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 13/24] Xen: Add virt_to_pfn helper function Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 14/24] xen: add irq_from_evtchn Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 15/24] xen: add /dev/xen/evtchn driver Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 16/24] xen: export ioctl headers to userspace Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 17/24] xen/dev-evtchn: clean up locking in evtchn Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 18/24] xen: add "capabilities" file Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 19/24] xen: add /sys/hypervisor support Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 20/24] xen/sys/hypervisor: change writable_pt to features Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 21/24] xen: drop kexec bits from /sys/hypervisor since kexec isn't implemented yet Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 22/24] xen: remove suspend_cancel hook Jeremy Fitzhardinge
2009-03-13 10:08   ` [Xen-devel] " Jan Beulich
2009-03-13 15:17     ` Jeremy Fitzhardinge
2009-03-13  8:11 ` [PATCH 23/24] xen: use device model for suspending xenbus devices Jeremy Fitzhardinge
2009-03-13 10:09   ` [Xen-devel] [PATCH 23/24] xen: use device model for suspendingxenbus devices Jan Beulich
2009-03-13  8:12 ` [PATCH 24/24] xen/xenbus: export xenbus_dev_changed Jeremy Fitzhardinge

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