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KVM: Move duplicate halt handling code into kvm_main.c 

Will soon have a thid user.

Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Avi Kivity 2007-06-05 15:53:05 +03:00
parent ef9254df0b
commit d3bef15f84
4 changed files with 14 additions and 12 deletions
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1
drivers/kvm/kvm.h
View File

@ -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,

11
drivers/kvm/kvm_main.c
View File

@ -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;

7
drivers/kvm/svm.c
View File

@ -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)

7
drivers/kvm/vmx.c
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@ -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)