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Revert "KVM: PPC: e500: Mark "struct page" pfn accessed before dropping mmu_lock"

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This reverts commit d2004572fc which is
commit 84cf78dcd9d65c45ab73998d4ad50f433d53fb93 upstream.

It should not have been applied.

Link: https://lore.kernel.org/r/CABgObfb5U9zwTQBPkPB=mKu-vMrRspPCm4wfxoQpB+SyAnb5WQ@mail.gmail.com
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2025-03-10 16:52:03 +01:00
parent 44603dee08
commit 20228df372
1 changed files with 3 additions and 1 deletions
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4
arch/powerpc/kvm/e500_mmu_host.c
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@@ -498,9 +498,11 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500,
kvmppc_mmu_flush_icache(pfn); kvmppc_mmu_flush_icache(pfn);
out: out:
spin_unlock(&kvm->mmu_lock);
/* Drop refcount on page, so that mmu notifiers can clear it */ /* Drop refcount on page, so that mmu notifiers can clear it */
kvm_release_pfn_clean(pfn); kvm_release_pfn_clean(pfn);
spin_unlock(&kvm->mmu_lock);
return ret; return ret;
} }