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(parent: e2fb9f5) | patch
powerpc/8xx: Only define APG0 and APG1
authorChristophe Leroy <christophe.leroy@c-s.fr>
Mon, 11 Mar 2019 08:30:32 +0000 (08:30 +0000)
committerMichael Ellerman <mpe@ellerman.id.au>
Sun, 21 Apr 2019 13:11:46 +0000 (23:11 +1000)
commitc341a108a58100b4d0774ddb1dacbd67dfa749b3
treee908cd40dcaf5f2f06040256ff0c882c47885716tree | snapshot
parente2fb9f5444312fd01627c84a3e018c1fe8ac6ebbcommit | diff
powerpc/8xx: Only define APG0 and APG1

Since the 8xx implements hardware page table walk assistance,
the PGD entries always point to a 4k aligned page, so the 2 upper
bits of the APG are not clobbered anymore and remain 0. Therefore
only APG0 and APG1 are used and need a definition. We set the
other APG to the lowest permission level.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/include/asm/nohash/32/mmu-8xx.h diff | blob | history
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