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Re: [Xen-devel] [PATCH RFC V4 5/5] Documentation/kvm : Add documentation on Hypercalls and features used for PV spinlock

On 01/16/2012 11:40 AM, Srivatsa Vaddagiri wrote:
> * Avi Kivity <avi@xxxxxxxxxx> [2012-01-16 11:00:41]:
> > Wait, what happens with yield_on_hlt=0?  Will the hypercall work as
> > advertised?
> Hmm ..I don't think it will work when yield_on_hlt=0.
> One option is to make the kick hypercall available only when
> yield_on_hlt=1?

It's not a good idea to tie various options together.  Features should
be orthogonal.

Can't we make it work?  Just have different handling for
KVM_REQ_PVLOCK_KICK (let's rename it, and the hypercall, PV_UNHALT,
since we can use it for non-locks too).

error compiling committee.c: too many arguments to function

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