powerpc/kuap: Wire-up KUAP on book3e/64

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This adds KUAP support to book3e/64.
This is done by reading the content of SPRN_MAS1 and checking
the TID at the time user pgtable is loaded.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/e2c2c9375afd4bbc06aa904d0103a5f5102a2b1a.1634627931.git.christophe.leroy@csgroup.eu

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Christophe Leroy 2021-10-19 09:29:32 +02:00 • committed by Michael Ellerman

parent 4f6a025201

commit 57bc963837

2 changed files with 35 additions and 6 deletions

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40

arch/powerpc/mm/nohash/tlb_low_64e.S

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1

arch/powerpc/platforms/Kconfig.cputype

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