* Avi Kivity <avi@xxxxxxxxxx> [2012-09-30 13:13:09]:
> On 09/30/2012 01:07 PM, Gleb Natapov wrote:
> > On Sun, Sep 30, 2012 at 10:18:17AM +0200, Avi Kivity wrote:
> >> On 09/28/2012 08:16 AM, Raghavendra K T wrote:
> >> >
> >> >>
> >> >> +struct pv_sched_info {
> >> >> + unsigned long sched_bitmap;
> >> >
> >> > Thinking, whether we need something similar to cpumask here?
> >> > Only thing is we are representing guest (v)cpumask.
> >> >
> >>
> >> DECLARE_BITMAP(sched_bitmap, KVM_MAX_VCPUS)
> >>
> > vcpu_id can be greater than KVM_MAX_VCPUS.
>
> Use the index into the vcpu table as the bitmap index then. In fact
> it's better because then the lookup to get the vcpu pointer is trivial.
Did you mean, while setting the bitmap,
we should do
for (i = 1..n)
if (kvm->vcpus[i] == vcpu) set ith position in bitmap?
I just wanted to know whether there is any easy way to convert from
vcpu pointer to index in kvm vcpu table.
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