Re: [kvm-devel] [PATCH][RFC] SVM: Add Support for Nested Paging in AMD Fam16 CPUs

2008-02-10 Thread Avi Kivity
Joerg Roedel wrote: On Sun, Jan 27, 2008 at 10:57:07AM +0200, Avi Kivity wrote: Very nice patchset; small, simple, and clean. Apart from the comments I already posted, I'd like to avoid the term 'hap': I find it non-descriptive, and it reminds me of another hypervisor. I suggest 'tlp'

Re: [kvm-devel] [PATCH][RFC] SVM: Add Support for Nested Paging in AMD Fam16 CPUs

2008-02-07 Thread Joerg Roedel
On Sun, Jan 27, 2008 at 10:57:07AM +0200, Avi Kivity wrote: Very nice patchset; small, simple, and clean. Apart from the comments I already posted, I'd like to avoid the term 'hap': I find it non-descriptive, and it reminds me of another hypervisor. I suggest 'tlp' for two-level paging. I

Re: [kvm-devel] [PATCH][RFC] SVM: Add Support for Nested Paging in AMD Fam16 CPUs

2008-01-28 Thread Avi Kivity
Jeremy Fitzhardinge wrote: Avi Kivity wrote: I find it non-descriptive, and it reminds me of another hypervisor. I suggest 'tlp' for two-level paging. That has its own ambiguity; without other context it reads like two-level pagetable. Anyway, using the same term for the same

Re: [kvm-devel] [PATCH][RFC] SVM: Add Support for Nested Paging in AMD Fam16 CPUs

2008-01-27 Thread Avi Kivity
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

Re: [kvm-devel] [PATCH][RFC] SVM: Add Support for Nested Paging in AMD Fam16 CPUs

2008-01-27 Thread Joerg Roedel
On Sun, Jan 27, 2008 at 10:57:07AM +0200, Avi Kivity wrote: Joerg Roedel wrote: Hi, here is the first release of patches for KVM to support the Nested Paging

Re: [kvm-devel] [PATCH][RFC] SVM: Add Support for Nested Paging in AMD Fam16 CPUs

2008-01-27 Thread Jeremy Fitzhardinge
Avi Kivity wrote: I find it non-descriptive, and it reminds me of another hypervisor. I suggest 'tlp' for two-level paging. That has its own ambiguity; without other context it reads like two-level pagetable. Anyway, using the same term for the same thing is not a bad idea. J

Re: [kvm-devel] [PATCH][RFC] SVM: Add Support for Nested Paging in AMD Fam16 CPUs

2008-01-25 Thread Nakajima, Jun
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

Re: [kvm-devel] [PATCH][RFC] SVM: Add Support for Nested Paging in AMD Fam16 CPUs

2008-01-25 Thread Anthony Liguori
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

[kvm-devel] [PATCH][RFC] SVM: Add Support for Nested Paging in AMD Fam16 CPUs

2008-01-25 Thread Joerg Roedel
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

Re: [kvm-devel] [PATCH][RFC] SVM: Add Support for Nested Paging in AMD Fam16 CPUs

2008-01-25 Thread Joerg Roedel
On Fri, Jan 25, 2008 at 03:32:57PM -0600, Anthony Liguori wrote: A quick sniff test and things look pretty good. I was able to start running the install CDs for 32-bit and 64-bit Ubuntu, 32-bit OpenSuSE, 64-bit Fedora, and 32-bit Win2k8. I'll do a more thorough run of kvm-test on Monday