Commit 13d66fdd authored by Sean Christopherson's avatar Sean Christopherson Committed by Paolo Bonzini
Browse files

KVM: MIPS: Mark "struct page" pfns accessed prior to dropping mmu_lock 



Mark pages accessed before dropping mmu_lock when faulting in guest memory
so that MIPS can convert to kvm_release_faultin_page() without tripping
its lockdep assertion on mmu_lock being held.

Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
Tested-by: default avatarDmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Message-ID: <20241010182427.1434605-72-seanjc@google.com>
parent 4d75f14f

arch/mips/kvm/mmu.c

+1 −2
Original line number Diff line number Diff line
@@ -634,10 +634,9 @@ static int kvm_mips_map_page(struct kvm_vcpu *vcpu, unsigned long gpa, 


	if (writeable)

		kvm_set_pfn_dirty(pfn);

	kvm_release_pfn_clean(pfn);



	spin_unlock(&kvm->mmu_lock);

	kvm_release_pfn_clean(pfn);

	kvm_set_pfn_accessed(pfn);

out:

	srcu_read_unlock(&kvm->srcu, srcu_idx);

	return err;