Re: [PATCH] kvm: add halt_poll_ns module parameter

From: Xiao Guangrong
Date: Mon Feb 09 2015 - 03:23:17 EST

On 02/06/2015 08:48 PM, Paolo Bonzini wrote:

+unsigned int halt_poll_ns = 0;
+module_param(halt_poll_ns, uint, S_IRUGO | S_IWUSR);

Can we make this parameter be changeable? So that we can tune it
on the fly.

finish_wait(&vcpu->wq, &wait);
+ cur = ktime_get();

We can move this into the tracepoint to avoid the workload if the
tracepoint is not enabled.

Otherwise looks good to me.

Reviewed-by: Xiao Guangrong <guangrong.xiao@xxxxxxxxxxxxxxx>
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