On 24/06/21 10:43, Nicholas Piggin wrote:
Excerpts from David Stevens's message of June 24, 2021 1:57 pm:
From: David Stevens <stevensd@xxxxxxxxxxxx>
Changelog? This looks like a bug, should it have a Fixes: tag?
Probably has been there forever... The best way to fix the bug would be
to nuke mmu_audit.c, which I've threatened to do many times but never
followed up on.
Paolo
Thanks,
Nick
Signed-off-by: David Stevens <stevensd@xxxxxxxxxxxx>
---
arch/x86/kvm/mmu/mmu_audit.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/kvm/mmu/mmu_audit.c b/arch/x86/kvm/mmu/mmu_audit.c
index cedc17b2f60e..97ff184084b4 100644
--- a/arch/x86/kvm/mmu/mmu_audit.c
+++ b/arch/x86/kvm/mmu/mmu_audit.c
@@ -121,6 +121,8 @@ static void audit_mappings(struct kvm_vcpu *vcpu, u64 *sptep, int level)
audit_printk(vcpu->kvm, "levels %d pfn %llx hpa %llx "
"ent %llxn", vcpu->arch.mmu->root_level, pfn,
hpa, *sptep);
+
+ kvm_release_pfn_clean(pfn);
}
static void inspect_spte_has_rmap(struct kvm *kvm, u64 *sptep)
--
2.32.0.93.g670b81a890-goog
