powerpc/64s/hash: Disable subpage_prot syscall by default
authorNicholas Piggin <npiggin@gmail.com>
Fri, 3 Jul 2020 01:19:58 +0000 (11:19 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 21 Jul 2020 14:01:25 +0000 (00:01 +1000)
commit63396ada804c676e070bd1b8663046f18698ab27
treed6936337d63f8411c79ea4e65f73c5fee8761842
parent5c9fa16e8abd342ce04dc830c1ebb2a03abf6c05
powerpc/64s/hash: Disable subpage_prot syscall by default

The subpage_prot syscall was added for specialised system software
(Lx86) that has been discontinued for about 7 years, and is not thought
to be used elsewhere, so disable it by default.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200703011958.1166620-4-npiggin@gmail.com
arch/powerpc/Kconfig
arch/powerpc/configs/powernv_defconfig
arch/powerpc/configs/pseries_defconfig