[PATCH 22/24] KVM: x86/mmu: Use is_removed_spte() instead of open coded equivalents

[Sean Christopherson]

Use the is_removed_spte() helper instead of open coding the check.

No functional change intended.

Cc: Ben Gardon <bgardon@xxxxxxxxxx>
Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
---
 arch/x86/kvm/mmu/tdp_mmu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index bef0e1908e82..7f2c4760b84d 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -490,7 +490,7 @@ static inline bool tdp_mmu_set_spte_atomic(struct kvm *kvm,
 	 * Do not change removed SPTEs. Only the thread that froze the SPTE
 	 * may modify it.
 	 */
-	if (iter->old_spte == REMOVED_SPTE)
+	if (is_removed_spte(iter->old_spte))
 		return false;
 
 	if (cmpxchg64(rcu_dereference(iter->sptep), iter->old_spte,
@@ -565,7 +565,7 @@ static inline void __tdp_mmu_set_spte(struct kvm *kvm, struct tdp_iter *iter,
 	 * should be used. If operating under the MMU lock in write mode, the
 	 * use of the removed SPTE should not be necessary.
 	 */
-	WARN_ON(iter->old_spte == REMOVED_SPTE);
+	WARN_ON(is_removed_spte(iter->old_spte));
 
 	WRITE_ONCE(*rcu_dereference(iter->sptep), new_spte);
 
-- 
2.30.1.766.gb4fecdf3b7-goog