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From: "Nakajima, Jun" <jun.nakajima@intel.com>
To: "Joerg Roedel" <joerg.roedel@amd.com>,
	"Avi Kivity" <avi@qumranet.com>,
	<kvm-devel@lists.sourceforge.net>, <linux-kernel@vger.kernel.org>
Subject: RE: [kvm-devel] [PATCH 3/8] SVM: add module parameter to disable NestedPaging
Date: Fri, 25 Jan 2008 17:47:11 -0800	[thread overview]
Message-ID: <2D848F959C03D945A84E9EDE7F7BFE4274021D@orsmsx424.amr.corp.intel.com> (raw)
In-Reply-To: <1201294393-22613-4-git-send-email-joerg.roedel@amd.com>

Joerg Roedel wrote:
> To disable the use of the Nested Paging feature even if it is
available in
> hardware this patch adds a module parameter. Nested Paging can be
disabled by
> passing npt=off to the kvm_amd module.

I think it's better to use a (common) parameter to qemu. That way you
can control on/off for each VM.

Jun
---
Intel Open Source Technology Center

WARNING: multiple messages have this Message-ID (diff)
From: "Nakajima, Jun" <jun.nakajima-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
To: "Joerg Roedel" <joerg.roedel-5C7GfCeVMHo@public.gmane.org>,
	"Avi Kivity" <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>,
	<kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 3/8] SVM: add module parameter to disable NestedPaging
Date: Fri, 25 Jan 2008 17:47:11 -0800	[thread overview]
Message-ID: <2D848F959C03D945A84E9EDE7F7BFE4274021D@orsmsx424.amr.corp.intel.com> (raw)
In-Reply-To: <1201294393-22613-4-git-send-email-joerg.roedel-5C7GfCeVMHo@public.gmane.org>

Joerg Roedel wrote:
> To disable the use of the Nested Paging feature even if it is
available in
> hardware this patch adds a module parameter. Nested Paging can be
disabled by
> passing npt=off to the kvm_amd module.

I think it's better to use a (common) parameter to qemu. That way you
can control on/off for each VM.

Jun
---
Intel Open Source Technology Center

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  parent reply	other threads:[~2008-01-26  1:48 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-25 20:53 [PATCH][RFC] SVM: Add Support for Nested Paging in AMD Fam16 CPUs Joerg Roedel
2008-01-25 20:53 ` Joerg Roedel
2008-01-25 20:53 ` [PATCH 1/8] SVM: move feature detection to hardware setup code Joerg Roedel
2008-01-25 20:53   ` Joerg Roedel
2008-01-25 20:53 ` [PATCH 2/8] SVM: add detection of Nested Paging feature Joerg Roedel
2008-01-25 20:53   ` Joerg Roedel
2008-01-25 20:53 ` [PATCH 3/8] SVM: add module parameter to disable Nested Paging Joerg Roedel
2008-01-25 21:35   ` [kvm-devel] " Anthony Liguori
2008-01-25 21:35     ` Anthony Liguori
2008-01-25 22:10     ` [kvm-devel] " Joerg Roedel
2008-01-25 22:10       ` Joerg Roedel
2008-01-26 18:38       ` [kvm-devel] " Avi Kivity
2008-01-26 18:38         ` Avi Kivity
2008-01-26  1:47   ` Nakajima, Jun [this message]
2008-01-26  1:47     ` [PATCH 3/8] SVM: add module parameter to disable NestedPaging Nakajima, Jun
2008-01-26  7:25     ` [kvm-devel] " Joerg Roedel
2008-01-26  7:25       ` Joerg Roedel
2008-01-26  9:49       ` [kvm-devel] " Alexey Eremenko
2008-01-26  9:49         ` Alexey Eremenko
2008-01-26 10:06         ` [kvm-devel] " Joerg Roedel
2008-01-26 10:06           ` Joerg Roedel
2008-01-26 16:36         ` [kvm-devel] " Anthony Liguori
2008-01-26 16:36           ` Anthony Liguori
2008-01-26 18:23       ` [kvm-devel] " Avi Kivity
2008-01-25 20:53 ` [PATCH 4/8] X86: export information about NPT to generic x86 code Joerg Roedel
2008-01-25 20:53   ` Joerg Roedel
2008-01-25 21:37   ` [kvm-devel] " Anthony Liguori
2008-01-25 21:37     ` Anthony Liguori
2008-01-25 21:40     ` [kvm-devel] " Anthony Liguori
2008-01-25 21:40       ` Anthony Liguori
2008-01-27  8:40   ` [kvm-devel] " Avi Kivity
2008-01-27  8:40     ` Avi Kivity
2008-01-25 20:53 ` [PATCH 5/8] MMU: make the __nonpaging_map function generic Joerg Roedel
2008-01-25 20:53   ` Joerg Roedel
2008-01-25 20:53 ` [PATCH 6/8] X86: export the load_pdptrs() function to modules Joerg Roedel
2008-01-25 20:53   ` Joerg Roedel
2008-01-25 20:53 ` [PATCH 7/8] MMU: add HAP support to the KVM MMU Joerg Roedel
2008-01-25 20:53   ` Joerg Roedel
2008-01-25 20:53 ` [PATCH 8/8] SVM: add support for Nested Paging Joerg Roedel
2008-01-25 20:53   ` Joerg Roedel
2008-01-27  8:52   ` [kvm-devel] " Avi Kivity
2008-01-27  8:52     ` Avi Kivity
2008-01-27  9:41     ` [kvm-devel] " Joerg Roedel
2008-01-27  9:41       ` Joerg Roedel
2008-01-27  9:51       ` [kvm-devel] " Avi Kivity
2008-01-27  9:51         ` Avi Kivity
2008-01-27 10:05         ` [kvm-devel] " Joerg Roedel
2008-01-27 10:05           ` Joerg Roedel
2008-01-27 10:24           ` [kvm-devel] " Avi Kivity
2008-01-27 10:24             ` Avi Kivity
2008-01-25 21:32 ` [kvm-devel] [PATCH][RFC] SVM: Add Support for Nested Paging in AMD Fam16 CPUs Anthony Liguori
2008-01-25 21:32   ` Anthony Liguori
2008-01-25 22:47   ` [kvm-devel] " Joerg Roedel
2008-01-25 22:47     ` Joerg Roedel
2008-01-26  1:57 ` [kvm-devel] " Nakajima, Jun
2008-01-26  1:57   ` Nakajima, Jun
2008-01-27  8:57 ` [kvm-devel] " Avi Kivity
2008-01-27  8:57   ` Avi Kivity
2008-01-27  9:51   ` [kvm-devel] " Joerg Roedel
2008-01-27  9:51     ` Joerg Roedel
2008-01-28  3:20   ` [kvm-devel] " Jeremy Fitzhardinge
2008-01-28  3:20     ` Jeremy Fitzhardinge
2008-01-28 11:08     ` [kvm-devel] " Avi Kivity
2008-01-28 11:08       ` Avi Kivity
2008-02-07 12:09   ` [kvm-devel] " Joerg Roedel
2008-02-07 12:09     ` Joerg Roedel
2008-02-10 10:35     ` [kvm-devel] " Avi Kivity
2008-02-10 10:35       ` Avi Kivity

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