powerpc/64: Make stf barrier PPC_BOOK3S_64 specific.

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NXP Book3E platforms are not vulnerable to speculative store
bypass, so make the mitigations PPC_BOOK3S_64 specific.

Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Diana Craciun 2018-07-28 09:06:33 +10:00 • committed by Michael Ellerman

parent cf175dc315

commit 6453b532f2

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arch/powerpc/kernel/security.c

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