Re: [PATCH RFC 1/2] kvm: Handle undercommitted guest case in PLEhandler

From: Avi Kivity
Date: Sun Sep 30 2012 - 07:13:13 EST


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.


--
error compiling committee.c: too many arguments to function
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