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][RFC] SVM: Add Support for Nested Paging in AMD Fam16 CPUs
Date: Fri, 25 Jan 2008 17:57:21 -0800 [thread overview]
Message-ID: <2D848F959C03D945A84E9EDE7F7BFE42740228@orsmsx424.amr.corp.intel.com> (raw)
In-Reply-To: <1201294393-22613-1-git-send-email-joerg.roedel@amd.com>
Joerg Roedel wrote:
> Hi,
>
> here is the first release of patches for KVM to support the Nested
Paging
> (NPT) feature of AMD QuadCore CPUs for comments and public testing.
This
> feature improves the guest performance significantly. I measured an
> improvement of around 17% using kernbench in my first tests.
>
> This patch series is basically tested with Linux guests (32 bit legacy
> paging, 32 bit PAE paging and 64 bit Long Mode). Also tested with
Windows
> Vista 32 bit and 64 bit. All these guests ran successfully with these
> patches. The patch series only enables NPT for 64 bit Linux hosts at
the
> moment.
>
> Please give these patches a good and deep testing. I hope we have this
> patchset ready for merging soon.
Good. We also ported the EPT patch for Xen to KVM, which we submitted
last year. We've been cleaning up the patch with Avi. We are working on
live migration support now, and we'll submit the patch once it's done.
So please stay tuned.
>
> Joerg
>
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][RFC] SVM: Add Support for Nested Paging in AMD Fam16 CPUs
Date: Fri, 25 Jan 2008 17:57:21 -0800 [thread overview]
Message-ID: <2D848F959C03D945A84E9EDE7F7BFE42740228@orsmsx424.amr.corp.intel.com> (raw)
In-Reply-To: <1201294393-22613-1-git-send-email-joerg.roedel-5C7GfCeVMHo@public.gmane.org>
Joerg Roedel wrote:
> Hi,
>
> here is the first release of patches for KVM to support the Nested
Paging
> (NPT) feature of AMD QuadCore CPUs for comments and public testing.
This
> feature improves the guest performance significantly. I measured an
> improvement of around 17% using kernbench in my first tests.
>
> This patch series is basically tested with Linux guests (32 bit legacy
> paging, 32 bit PAE paging and 64 bit Long Mode). Also tested with
Windows
> Vista 32 bit and 64 bit. All these guests ran successfully with these
> patches. The patch series only enables NPT for 64 bit Linux hosts at
the
> moment.
>
> Please give these patches a good and deep testing. I hope we have this
> patchset ready for merging soon.
Good. We also ported the EPT patch for Xen to KVM, which we submitted
last year. We've been cleaning up the patch with Avi. We are working on
live migration support now, and we'll submit the patch once it's done.
So please stay tuned.
>
> Joerg
>
Jun
---
Intel Open Source Technology Center
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next prev parent reply other threads:[~2008-01-26 1:57 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 ` [kvm-devel] [PATCH 3/8] SVM: add module parameter to disable NestedPaging Nakajima, Jun
2008-01-26 1:47 ` 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 ` Nakajima, Jun [this message]
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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