Commit 59940e76 authored by David Matlack's avatar David Matlack Committed by Paolo Bonzini
Browse files

KVM: x86/mmu: Remove unnecessary warnings from restore_acc_track_spte() 



The warnings in restore_acc_track_spte() can be removed because the only
caller checks is_access_track_spte(), and is_access_track_spte() checks
!spte_ad_enabled(). In other words, the warning can never be triggered.

No functional change intended.

Suggested-by: default avatarSean Christopherson <seanjc@google.com>
Signed-off-by: default avatarDavid Matlack <dmatlack@google.com>
Message-Id: <20220119230739.2234394-9-dmatlack@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 7b7e1ab6

arch/x86/kvm/mmu/mmu.c

+0 −3
Original line number Diff line number Diff line
@@ -652,9 +652,6 @@ static u64 restore_acc_track_spte(u64 spte) 
	u64 saved_bits = (spte >> SHADOW_ACC_TRACK_SAVED_BITS_SHIFT)

			 & SHADOW_ACC_TRACK_SAVED_BITS_MASK;



	WARN_ON_ONCE(spte_ad_enabled(spte));

	WARN_ON_ONCE(!is_access_track_spte(spte));



	new_spte &= ~shadow_acc_track_mask;

	new_spte &= ~(SHADOW_ACC_TRACK_SAVED_BITS_MASK <<

		      SHADOW_ACC_TRACK_SAVED_BITS_SHIFT);