commit d3bef15f84f91c73a5515ad4c6a1749f8f63afcf
author Avi Kivity <avi@qumranet.com> Tue Jun 05 15:53:05 2007 +0300
committer Avi Kivity <avi@qumranet.com> Mon Jul 16 12:05:46 2007 +0300
tree 3349c121f16a5fe0e1c30d4370573c2a9ed88bb9
parent ef9254df0b3aeba729e26a062803ee7d90437b5e

KVM: Move duplicate halt handling code into kvm_main.c

Will soon have a thid user.

Signed-off-by: Avi Kivity <avi@qumranet.com>

drivers/kvm/kvm.h

diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h
index e665f55..ac358b8 100644
--- a/drivers/kvm/kvm.h
+++ b/drivers/kvm/kvm.h
@@ -504,6 +504,7 @@
 		  int size, unsigned long count, int string, int down,
 		  gva_t address, int rep, unsigned port);
 void kvm_emulate_cpuid(struct kvm_vcpu *vcpu);
+int kvm_emulate_halt(struct kvm_vcpu *vcpu);
 int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address);
 int emulate_clts(struct kvm_vcpu *vcpu);
 int emulator_get_dr(struct x86_emulate_ctxt* ctxt, int dr,

drivers/kvm/kvm_main.c

diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index 230b25a..5564169 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -1285,6 +1285,17 @@
 }
 EXPORT_SYMBOL_GPL(emulate_instruction);
 
+int kvm_emulate_halt(struct kvm_vcpu *vcpu)
+{
+	if (vcpu->irq_summary)
+		return 1;
+
+	vcpu->run->exit_reason = KVM_EXIT_HLT;
+	++vcpu->stat.halt_exits;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(kvm_emulate_halt);
+
 int kvm_hypercall(struct kvm_vcpu *vcpu, struct kvm_run *run)
 {
 	unsigned long nr, a0, a1, a2, a3, a4, a5, ret;

drivers/kvm/svm.c

diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
index ec040e2..70f386e 100644
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -1115,12 +1115,7 @@
 {
 	vcpu->svm->next_rip = vcpu->svm->vmcb->save.rip + 1;
 	skip_emulated_instruction(vcpu);
-	if (vcpu->irq_summary)
-		return 1;
-
-	kvm_run->exit_reason = KVM_EXIT_HLT;
-	++vcpu->stat.halt_exits;
-	return 0;
+	return kvm_emulate_halt(vcpu);
 }
 
 static int vmmcall_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)

drivers/kvm/vmx.c

diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index a534e6f..90abd3c 100644
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -1896,12 +1896,7 @@
 static int handle_halt(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 {
 	skip_emulated_instruction(vcpu);
-	if (vcpu->irq_summary)
-		return 1;
-
-	kvm_run->exit_reason = KVM_EXIT_HLT;
-	++vcpu->stat.halt_exits;
-	return 0;
+	return kvm_emulate_halt(vcpu);
 }
 
 static int handle_vmcall(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)