From 35b80f7b494d813ebe64d5c261a88fa8c9ed6f31 Mon Sep 17 00:00:00 2001 From: Sean Christopherson Date: Thu, 10 Oct 2024 11:24:09 -0700 Subject: [PATCH] KVM: LoongArch: Mark "struct page" pfn accessed before dropping mmu_lock Mark pages accessed before dropping mmu_lock when faulting in guest memory so that LoongArch can convert to kvm_release_faultin_page() without tripping its lockdep assertion on mmu_lock being held. Reviewed-by: Bibo Mao Signed-off-by: Sean Christopherson Tested-by: Dmitry Osipenko Signed-off-by: Paolo Bonzini Message-ID: <20241010182427.1434605-68-seanjc@google.com> --- arch/loongarch/kvm/mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/loongarch/kvm/mmu.c b/arch/loongarch/kvm/mmu.c index ed43504c5c7e..7066cafcce64 100644 --- a/arch/loongarch/kvm/mmu.c +++ b/arch/loongarch/kvm/mmu.c @@ -902,13 +902,13 @@ retry: if (writeable) kvm_set_pfn_dirty(pfn); + kvm_release_pfn_clean(pfn); spin_unlock(&kvm->mmu_lock); if (prot_bits & _PAGE_DIRTY) mark_page_dirty_in_slot(kvm, memslot, gfn); - kvm_release_pfn_clean(pfn); out: srcu_read_unlock(&kvm->srcu, srcu_idx); return err; -- 2.50.1