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authorSean Christopherson <seanjc@google.com>2021-02-25 12:47:47 -0800
committerPaolo Bonzini <pbonzini@redhat.com>2021-03-15 04:43:53 -0400
commit7a51393ae0f6287f9b2bdd138f5a091b7c302c1f (patch)
tree9a23ee5a14db51a9a4d28a02cf978ed27518016f /arch/x86/kvm/mmu
parent8f366ae6d8c5eaaae086016934802954abb8959e (diff)
KVM: x86/mmu: Use is_removed_spte() instead of open coded equivalents
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> Message-Id: <20210225204749.1512652-23-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/mmu')
-rw-r--r--arch/x86/kvm/mmu/tdp_mmu.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index d46fd18fe22e..f0c99fa04ef2 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -488,7 +488,7 @@ 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,
@@ -563,7 +563,7 @@ 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);