Messages in this thread | | | Subject | Re: VM performance issue in KVM guests. | From | Peter Zijlstra <> | Date | Thu, 15 Apr 2010 15:33:18 +0200 |
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On Thu, 2010-04-15 at 11:18 +0300, Avi Kivity wrote: > > Certainly that has even greater potential for Linux guests. Note that > we spin on mutexes now, so we need to prevent preemption while the lock > owner is running.
either that, or disable spinning on (para) virt kernels. Para virt kernels could possibly extend the thing by also checking to see if the owner's vcpu is running.
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