On 10/24/2011 03:31 PM, Sasha Levin wrote:
On Mon, 2011-10-24 at 00:35 +0530, Raghavendra K T wrote:Add two hypercalls to KVM hypervisor to support pv-ticketlocks. +static void kvm_pv_kick_cpu_op(struct kvm *kvm, int cpu) +{ + struct kvm_vcpu *vcpu = kvm_get_vcpu(kvm, cpu); + + if (vcpu) { + vcpu->kicked = 1;I'm not sure about it, but maybe we want a memory barrier over here?
Yes, Thanks for pointing this. Avi Kivity also pointed same. 'll add barrier() here.
+ wake_up_interruptible(&vcpu->wq); + } +}
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