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H A Dfault.cdiff ffca395b11c4a5a6df6d6345f794b0e3d578e2d0 Wed Nov 28 03:27:04 CST 2018 Christophe Leroy <christophe.leroy@c-s.fr> powerpc/mm: Fix reporting of kernel execute faults on the 8xx

On the 8xx, no-execute is set via PPP bits in the PTE. Therefore
a no-exec fault generates DSISR_PROTFAULT error bits,
not DSISR_NOEXEC_OR_G.

This patch adds DSISR_PROTFAULT in the test mask.

Fixes: d3ca587404b3 ("powerpc/mm: Fix reporting of kernel execute faults")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>