powerpc/mm: Fix reporting of kernel execute faults on the 8xx

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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: d3ca587404 ("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>

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Christophe Leroy 2018-11-28 09:27:04 +00:00 • committed by Michael Ellerman

parent ab66dcc76d

commit ffca395b11

1 changed files with 3 additions and 1 deletions

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arch/powerpc/mm/fault.c

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