On Thu, 2007-02-15 at 19:02 -0600, Anthony Liguori wrote:
> My microbenchmark of choice uses FPU operations so I think the results
> are currently tainted. I've only tested on a 32bit SVM system.
So did you have that virtbench patch for me? 8)
Rusty.
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The following patch saves the host FPU state and loads the guests FPU
state if !(CR0.MP == 1 && CR0.TS == 1).
When CR0.MP == 1 && CR0.TS == 1, all FPU activity will generate
exceptions. OS's use these exceptions to implement lazy FPU loading to
improve context switch time. Since any FPU acti
Anthony Liguori wrote:
> I've been tracking down a rather strange SEGV in SVN. I'm on a 32bit
> SVM system. I think people are seeing the same on 32bit VMX.
>
> Basically, we get to the first EINTR returned by kvm_run(). Everything
> goes as expected until we get to cpu_loop_exit(). When we g
Anthony Liguori wrote:
> I've been tracking down a rather strange SEGV in SVN. I'm on a 32bit
> SVM system. I think people are seeing the same on 32bit VMX.
>
> Basically, we get to the first EINTR returned by kvm_run(). Everything
> goes as expected until we get to cpu_loop_exit(). When we g
