Messages in this thread | | | Date | Sat, 6 Jan 2007 13:08:18 +0000 | From | Pavel Machek <> | Subject | Re: [announce] [patch] KVM paravirtualization for Linux |
| |
Hi!
> i'm pleased to announce the first release of paravirtualized KVM (Linux > under Linux), which includes support for the hardware cr3-cache feature > of Intel-VMX CPUs. (which speeds up context switches and TLB flushes) > > the patch is against 2.6.20-rc3 + KVM trunk and can be found at: > > http://redhat.com/~mingo/kvm-paravirt-patches/ > > Some aspects of the code are still a bit ad-hoc and incomplete, but the > code is stable enough in my testing and i'd like to have some feedback. > > Firstly, here are some numbers: > > 2-task context-switch performance (in microseconds, lower is better): > > native: 1.11 > ---------------------------------- > Qemu: 61.18 > KVM upstream: 53.01 > KVM trunk: 6.36 > KVM trunk+paravirt/cr3: 1.60
Does this make Xen obsolete? I mean... we have xen patches in suse kernels, should we keep updating them, or just drop them in favour of KVM? Pavel -- Thanks for all the (sleeping) penguins. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |