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Subject[PATCH 22/24] KVM: x86/mmu: Use is_removed_spte() instead of open coded equivalents
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Use the is_removed_spte() helper instead of open coding the check.

No functional change intended.

Cc: Ben Gardon <bgardon@google.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
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
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