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powerpc/44x: Activate KUEP at all time
authorChristophe Leroy <christophe.leroy@csgroup.eu>
Tue, 19 Oct 2021 07:29:14 +0000 (09:29 +0200)
committerMichael Ellerman <mpe@ellerman.id.au>
Thu, 9 Dec 2021 11:41:17 +0000 (22:41 +1100)
commit8d8a26b0fccefb4cf639a4cdf246c01571b90c59
treeced744dfae078e06f100c6f381e4e7989263f6d1tree | snapshot
parentc4b93195a345a2393c8875ec3d7c5182c710125bcommit | diff
powerpc/44x: Activate KUEP at all time

On 44x, KUEP is implemented by clearing SX bit during TLB miss
for user pages. The impact is minimal and not worth neither
boot time nor build time selection.

Activate it at all time.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/2414d662558e7fb27d1ed41c8e47c591d576acac.1634627931.git.christophe.leroy@csgroup.eu
arch/powerpc/include/asm/nohash/32/mmu-44x.h diff | blob | history
arch/powerpc/kernel/head_44x.S diff | blob | history
arch/powerpc/mm/nohash/44x.c diff | blob | history
arch/powerpc/platforms/Kconfig.cputype diff | blob | history
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