Mark pages accessed before dropping mmu_lock when faulting in guest memory so that RISC-V can convert to kvm_release_faultin_page() without tripping its lockdep assertion on mmu_lock being held. Marking pages accessed outside of mmu_lock is ok (not great, but safe), but marking pages _dirty_ outside of mmu_lock can make filesystems unhappy. Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx> --- arch/riscv/kvm/mmu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/riscv/kvm/mmu.c b/arch/riscv/kvm/mmu.c index 06aa5a0d056d..806f68e70642 100644 --- a/arch/riscv/kvm/mmu.c +++ b/arch/riscv/kvm/mmu.c @@ -683,10 +683,10 @@ int kvm_riscv_gstage_map(struct kvm_vcpu *vcpu, out_unlock: if ((!ret || ret == -EEXIST) && writable) kvm_set_pfn_dirty(hfn); + else + kvm_release_pfn_clean(hfn); spin_unlock(&kvm->mmu_lock); - kvm_set_pfn_accessed(hfn); - kvm_release_pfn_clean(hfn); return ret; } -- 2.46.0.rc1.232.g9752f9e123-goog
