On 9/4/15 12:07 AM, David Matlack wrote:
On Thu, Sep 3, 2015 at 2:23 AM, Wanpeng Li <wanpeng...@hotmail.com> wrote:
How about something like:
@@ -1941,10 +1976,14 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu)
*/
if (kvm_vcpu_check_block(vcpu) < 0) {
++vcpu->stat.halt_successful_poll;
- goto out;
+ break;
}
cur = ktime_get();
} while (single_task_running() && ktime_before(cur, stop));
+
+ poll_ns = ktime_to_ns(cur) - ktime_to_ns(start);
+ if (ktime_before(cur, stop) && single_task_running())
+ goto out;
I would prefer an explicit signal (e.g. set a bool to true before breaking out
of the loop, and check it here) to avoid duplicating the loop exit condition.
Fix it in v7, thanks for your review, David! ;-)
Regards,
Wanpeng Li
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