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Subject[PATCH v2 02/10] KVM: VMX: Stash kvm_vmx in a local variable for Hyper-V paravirt TLB flush
Date
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.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
arch/x86/kvm/vmx/vmx.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 6d53bcc4a1a9..6d41c99c70c4 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -516,26 +516,27 @@ 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)
--
2.28.0
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