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KVM: SVM: clean up nestec vmload/vmsave paths 

This patch removes the usage of nested_svm_do from the vmload and
vmsave emulation code paths.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
hifive-unleashed-5.1
Joerg Roedel 2009-08-07 11:49:40 +02:00 committed by Avi Kivity
parent 3d62d9aa98
commit 9966bf6872
1 changed files with 17 additions and 19 deletions
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36
arch/x86/kvm/svm.c
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@ -128,8 +128,6 @@ static void svm_complete_interrupts(struct vcpu_svm *svm);
static int nested_svm_exit_handled(struct vcpu_svm *svm, bool kvm_override);
static int nested_svm_vmexit(struct vcpu_svm *svm);
static int nested_svm_vmsave(struct vcpu_svm *svm, void *nested_vmcb,
void *arg2, void *opaque);
static int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr,
bool has_error_code, u32 error_code);
@ -1865,7 +1863,7 @@ static int nested_svm_vmrun(struct vcpu_svm *svm, void *arg1,
return 0;
}
static int nested_svm_vmloadsave(struct vmcb *from_vmcb, struct vmcb *to_vmcb)
static void nested_svm_vmloadsave(struct vmcb *from_vmcb, struct vmcb *to_vmcb)
{
to_vmcb->save.fs = from_vmcb->save.fs;
to_vmcb->save.gs = from_vmcb->save.gs;
@ -1879,44 +1877,44 @@ static int nested_svm_vmloadsave(struct vmcb *from_vmcb, struct vmcb *to_vmcb)
to_vmcb->save.sysenter_cs = from_vmcb->save.sysenter_cs;
to_vmcb->save.sysenter_esp = from_vmcb->save.sysenter_esp;
to_vmcb->save.sysenter_eip = from_vmcb->save.sysenter_eip;
return 1;
}
static int nested_svm_vmload(struct vcpu_svm *svm, void *nested_vmcb,
void *arg2, void *opaque)
{
return nested_svm_vmloadsave((struct vmcb *)nested_vmcb, svm->vmcb);
}
static int nested_svm_vmsave(struct vcpu_svm *svm, void *nested_vmcb,
void *arg2, void *opaque)
{
return nested_svm_vmloadsave(svm->vmcb, (struct vmcb *)nested_vmcb);
}
static int vmload_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
{
struct vmcb *nested_vmcb;
if (nested_svm_check_permissions(svm))
return 1;
svm->next_rip = kvm_rip_read(&svm->vcpu) + 3;
skip_emulated_instruction(&svm->vcpu);
nested_svm_do(svm, svm->vmcb->save.rax, 0, NULL, nested_svm_vmload);
nested_vmcb = nested_svm_map(svm, svm->vmcb->save.rax, KM_USER0);
if (!nested_vmcb)
return 1;
nested_svm_vmloadsave(nested_vmcb, svm->vmcb);
nested_svm_unmap(nested_vmcb, KM_USER0);
return 1;
}
static int vmsave_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
{
struct vmcb *nested_vmcb;
if (nested_svm_check_permissions(svm))
return 1;
svm->next_rip = kvm_rip_read(&svm->vcpu) + 3;
skip_emulated_instruction(&svm->vcpu);
nested_svm_do(svm, svm->vmcb->save.rax, 0, NULL, nested_svm_vmsave);
nested_vmcb = nested_svm_map(svm, svm->vmcb->save.rax, KM_USER0);
if (!nested_vmcb)
return 1;
nested_svm_vmloadsave(svm->vmcb, nested_vmcb);
nested_svm_unmap(nested_vmcb, KM_USER0);
return 1;
}