On 2024/7/27 上午7:52, Sean Christopherson wrote:
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.
Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
---
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 52b5c16cf250..230cafa178d7 100644
--- a/arch/loongarch/kvm/mmu.c
+++ b/arch/loongarch/kvm/mmu.cBibo Mao <maobibo@xxxxxxxxxxx>
@@ -902,13 +902,13 @@ static int kvm_map_page(struct kvm_vcpu *vcpu, unsigned long gpa, bool write)
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;
Reviewed-by: Bibo Mao <maobibo@xxxxxxxxxxx>
