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. >
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 when I have a better connection to my machine. Nice work! Regards, Anthony Liguori > Joerg > > Here is the diffstat: > > arch/x86/kvm/mmu.c | 81 +++++++++++++++++++++++++++++++++++--- > arch/x86/kvm/mmu.h | 6 +++ > arch/x86/kvm/svm.c | 94 +++++++++++++++++++++++++++++++++++++++++-- > arch/x86/kvm/vmx.c | 7 +++ > arch/x86/kvm/x86.c | 1 + > include/asm-x86/kvm_host.h | 4 ++ > 6 files changed, 182 insertions(+), 11 deletions(-) > > > > > > ------------------------------------------------------------------------- > 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/ > _______________________________________________ > kvm-devel mailing list > kvm-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/kvm-devel > ------------------------------------------------------------------------- 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/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
