From mboxrd@z Thu Jan  1 00:00:00 1970
From: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
Subject: Re: [PATCH RFC V2 3/5] kvm hypervisor : Add two hypercalls to
 support pv-ticketlock
Date: Mon, 24 Oct 2011 19:20:32 +0530
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To: Avi Kivity <avi@redhat.com>
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* Avi Kivity <avi@redhat.com> [2011-10-24 15:09:25]:

> > I guess with that change, we can also dropthe need for other hypercall
> > introduced in this patch (kvm_pv_kick_cpu_op()). Essentially a vcpu sleeping 
> > because of HLT instruction can be woken up by a IPI issued by vcpu releasing a
> > lock.
> 
> Not if interrupts are disabled.

Hmm yes ..so we need a kick hypercall then.

- vatsa