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KVM: VMX: Stash kvm_vmx in a local variable for Hyper-V paravirt TLB flush

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Capture kvm_vmx in a local variable instead of polluting
hv_remote_flush_tlb_with_range() with to_kvm_vmx(kvm).

No functional change intended.

Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210305183123.3978098-4-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2021-03-05 10:31:15 -08:00 committed by Paolo Bonzini
parent a4038ef1aa
commit b68aa15cca
1 changed files with 7 additions and 6 deletions
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13
arch/x86/kvm/vmx/vmx.c
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@ -520,26 +520,27 @@ static inline int hv_remote_flush_eptp(u64 eptp, struct kvm_tlb_range *range)
static int hv_remote_flush_tlb_with_range(struct kvm *kvm,
struct kvm_tlb_range *range)
{
struct kvm_vmx *kvm_vmx = to_kvm_vmx(kvm);
struct kvm_vcpu *vcpu;
int ret = 0, i;
spin_lock(&to_kvm_vmx(kvm)->ept_pointer_lock);
spin_lock(&kvm_vmx->ept_pointer_lock);
if (to_kvm_vmx(kvm)->ept_pointers_match == EPT_POINTERS_CHECK)
if (kvm_vmx->ept_pointers_match == EPT_POINTERS_CHECK)
check_ept_pointer_match(kvm);
if (to_kvm_vmx(kvm)->ept_pointers_match != EPT_POINTERS_MATCH) {
if (kvm_vmx->ept_pointers_match != EPT_POINTERS_MATCH) {
kvm_for_each_vcpu(i, vcpu, kvm) {
/* If ept_pointer is invalid pointer, bypass flush request. */
if (VALID_PAGE(to_vmx(vcpu)->ept_pointer))
ret |= hv_remote_flush_eptp(to_vmx(vcpu)->ept_pointer,
range);
}
} else if (VALID_PAGE(to_kvm_vmx(kvm)->hv_tlb_eptp)) {
ret = hv_remote_flush_eptp(to_kvm_vmx(kvm)->hv_tlb_eptp, range);
} else if (VALID_PAGE(kvm_vmx->hv_tlb_eptp)) {
ret = hv_remote_flush_eptp(kvm_vmx->hv_tlb_eptp, range);
}
spin_unlock(&to_kvm_vmx(kvm)->ept_pointer_lock);
spin_unlock(&kvm_vmx->ept_pointer_lock);
return ret;
}
static int hv_remote_flush_tlb(struct kvm *kvm)