powerpc/pseries: add new branch prediction security bits for link stack

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The hypervisor interface has defined branch prediction security bits for
handling the link stack. Wire them up.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200825075612.224656-1-npiggin@gmail.com

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Nicholas Piggin 2020-08-25 17:56:12 +10:00 • committed by Michael Ellerman

parent 05504b4256

commit cdb1ea0276

2 changed files with 8 additions and 0 deletions

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2

arch/powerpc/include/asm/hvcall.h

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6

arch/powerpc/platforms/pseries/setup.c

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