powerpc/32s: Initialise KUAP and KUEP in C

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In order to selectively activate KUAP and KUEP in a following patch,
perform KUAP and KUEP initialisation in C.

Unlike PPC64, PPC32 doesn't have an early_setup_secondary(),
so do it in start_secondary().

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/87be72023448dd4e476744ed279b8c04b8d08a1c.1622708530.git.christophe.leroy@csgroup.eu

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Christophe Leroy 2021-06-03 08:41:41 +00:00 • committed by Michael Ellerman

parent 882136fb2f

commit 86f46f3432

4 changed files with 16 additions and 6 deletions

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6

arch/powerpc/kernel/head_book3s_32.S

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4

arch/powerpc/kernel/smp.c

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6

arch/powerpc/mm/book3s32/kuap.c

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6

arch/powerpc/mm/book3s32/kuep.c

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