Aneesh Kumar K.V 7769a3394b powerpc/kvm/book3s: use find_kvm_host_pte in pute_tce functions
Current code just hold rmap lock to ensure parallel page table update is
prevented. That is not sufficient. The kernel should also check whether
a mmu_notifer callback was running in parallel.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200505071729.54912-16-aneesh.kumar@linux.ibm.com
2020-05-05 21:20:15 +10:00
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