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Aneesh Kumar K.V authored
When inserting SLB entries for EA above 512TB, we need to hard disable irq. This will make sure we don't take a PMU interrupt that can possibly touch user space address via a stack dump. To prevent this, we need to hard disable the interrupt. Also add a comment explaining why we don't need context synchronizing isync with slbmte. Fixes: f384796c ("powerpc/mm: Add support for handling > 512TB address in SLB miss") Signed-off-by:
Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au>
a5db5060