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Subject[PATCH 4.14 051/107] powerpc/fsl: Enable runtime patching if nospectre_v2 boot arg is used
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4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Diana Craciun <diana.craciun@nxp.com>

commit 3bc8ea8603ae4c1e09aca8de229ad38b8091fcb3 upstream.

If the user choses not to use the mitigations, replace
the code sequence with nops.

Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/powerpc/kernel/setup-common.c | 1 +
1 file changed, 1 insertion(+)

--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -938,6 +938,7 @@ void __init setup_arch(char **cmdline_p)
ppc_md.setup_arch();

setup_barrier_nospec();
+ setup_spectre_v2();

paging_init();


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