From: Anthony Liguori <anthony@codemonkey.ws> To: Alexey Eremenko <al4321@gmail.com> Cc: 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: Sat, 26 Jan 2008 10:36:46 -0600 [thread overview] Message-ID: <479B619E.3010801@codemonkey.ws> (raw) In-Reply-To: <7fac565a0801260149j7d6d48demfb49d2bb0d5a952@mail.gmail.com> Alexey Eremenko wrote: >> Generally I see no problem with it. But at least for NPT I don't see a >> reason why someone should want to disable it on a VM basis (as far as it >> works stable). Avi, what do you think? >> >> > > 1. This is more user-friendly and easier-to-find > I'm inclined to disagree. Why add an additional thing for people to tune if they really shouldn't need to. Once NPT/EPT support are stable, is there any reason to want to disable it? Regards, Anthony Liguori > 2. A lot of people would like to view (and Demo) it side-by-side. > > 3. Useful for BETA-testing of KVM. > >
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From: Anthony Liguori <anthony-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org> To: Alexey Eremenko <al4321-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Cc: 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: Sat, 26 Jan 2008 10:36:46 -0600 [thread overview] Message-ID: <479B619E.3010801@codemonkey.ws> (raw) In-Reply-To: <7fac565a0801260149j7d6d48demfb49d2bb0d5a952-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> Alexey Eremenko wrote: >> Generally I see no problem with it. But at least for NPT I don't see a >> reason why someone should want to disable it on a VM basis (as far as it >> works stable). Avi, what do you think? >> >> > > 1. This is more user-friendly and easier-to-find > I'm inclined to disagree. Why add an additional thing for people to tune if they really shouldn't need to. Once NPT/EPT support are stable, is there any reason to want to disable it? Regards, Anthony Liguori > 2. A lot of people would like to view (and Demo) it side-by-side. > > 3. Useful for BETA-testing of KVM. > > ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
next prev parent reply other threads:[~2008-01-26 16:36 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 ` Anthony Liguori [this message] 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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