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Subject[PATCH v2 1/2] KVM: SVM: Move asid to vcpu_svm
Date
Move asid to svm->asid to allow for vmcb assignment
during svm_vcpu_run without regard to which level
guest is running.

Signed-off-by: Cathy Avery <cavery@redhat.com>
---
arch/x86/kvm/svm/svm.c | 4 +++-
arch/x86/kvm/svm/svm.h | 1 +
2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index d4e18bda19c7..619980a5d540 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -1101,6 +1101,7 @@ static void init_vmcb(struct vcpu_svm *svm)
save->cr4 = 0;
}
svm->asid_generation = 0;
+ svm->asid = 0;

svm->nested.vmcb = 0;
svm->vcpu.arch.hflags = 0;
@@ -1663,7 +1664,7 @@ static void new_asid(struct vcpu_svm *svm, struct svm_cpu_data *sd)
}

svm->asid_generation = sd->asid_generation;
- svm->vmcb->control.asid = sd->next_asid++;
+ svm->asid = sd->next_asid++;

vmcb_mark_dirty(svm->vmcb, VMCB_ASID);
}
@@ -3446,6 +3447,7 @@ static __no_kcsan fastpath_t svm_vcpu_run(struct kvm_vcpu *vcpu)

sync_lapic_to_cr8(vcpu);

+ svm->vmcb->control.asid = svm->asid;
svm->vmcb->save.cr2 = vcpu->arch.cr2;

/*
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index a798e1731709..862f0d2405e8 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -104,6 +104,7 @@ struct vcpu_svm {
struct vmcb *vmcb;
unsigned long vmcb_pa;
struct svm_cpu_data *svm_data;
+ u32 asid;
uint64_t asid_generation;
uint64_t sysenter_esp;
uint64_t sysenter_eip;
--
2.20.1
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