6.6-stable review patch. If anyone has any objections, please let me know.
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From: Greg Kroah-Hartman gregkh@linuxfoundation.org
This reverts commit 59e21c4613b0a46f46eb124984928df46d88ad57 which is commit 84cf78dcd9d65c45ab73998d4ad50f433d53fb93 upstream.
It should not have been applied.
Link: https://lore.kernel.org/r/CABgObfb5U9zwTQBPkPB=mKu-vMrRspPCm4wfxoQpB+SyAnb5W... Reported-by: Paolo Bonzini pbonzini@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/powerpc/kvm/e500_mmu_host.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/arch/powerpc/kvm/e500_mmu_host.c +++ b/arch/powerpc/kvm/e500_mmu_host.c @@ -498,9 +498,11 @@ static inline int kvmppc_e500_shadow_map kvmppc_mmu_flush_icache(pfn);
out: + spin_unlock(&kvm->mmu_lock); + /* Drop refcount on page, so that mmu notifiers can clear it */ kvm_release_pfn_clean(pfn); - spin_unlock(&kvm->mmu_lock); + return ret; }