From c25bc1638a1211f57cccbabdd8b732813b852340 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Sun, 17 Jan 2010 15:51:24 +0200
Subject: KVM: Implement NotifyLongSpinWait HYPER-V hypercall
Windows issues this hypercall after guest was spinning on a spinlock
for too many iterations.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Vadim Rozenfeld <vrozenfe@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
include/linux/kvm.h | 1 +
1 file changed, 1 insertion(+)
(limited to 'include')
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 5ce61738dc30..4c4937e7f65f 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -499,6 +499,7 @@ struct kvm_ioeventfd {
#define KVM_CAP_PPC_SEGSTATE 43
#define KVM_CAP_HYPERV 44
#define KVM_CAP_HYPERV_VAPIC 45
+#define KVM_CAP_HYPERV_SPIN 46
#ifdef KVM_CAP_IRQ_ROUTING
--
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