提交 d3bef15f 编写于 作者: A Avi Kivity

KVM: Move duplicate halt handling code into kvm_main.c

Will soon have a thid user.
Signed-off-by: NAvi Kivity <avi@qumranet.com>
上级 ef9254df
......@@ -504,6 +504,7 @@ int kvm_setup_pio(struct kvm_vcpu *vcpu, struct kvm_run *run, int in,
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,
......
......@@ -1285,6 +1285,17 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
}
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;
......
......@@ -1115,12 +1115,7 @@ static int halt_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
{
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)
......
......@@ -1896,12 +1896,7 @@ static int handle_interrupt_window(struct kvm_vcpu *vcpu,
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)
......
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