powerpc/64: Use barrier_nospec in syscall entry

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Our syscall entry is done in assembly so patch in an explicit
barrier_nospec.

Based on a patch by Michal Suchanek.

Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Michael Ellerman 2018-04-24 14:15:59 +10:00

parent ddf35cf376

commit 51973a815c

1 changed files with 10 additions and 0 deletions

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arch/powerpc/kernel/entry_64.S

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