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authorDiana Craciun <diana.craciun@nxp.com>2019-04-11 21:46:26 +1000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-04-17 08:36:43 +0200
commit487bea70ea9886d7860af15e8d413d8d5c9873e7 (patch)
treee67008421fe967a64afe277b33783a99f87f3c9e
parent5b0392afd333e0dc78f9a0b50951b5a5e1b74e02 (diff)
powerpc/fsl: Enable runtime patching if nospectre_v2 boot arg is used
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: Sasha Levin <sashal@kernel.org>
-rw-r--r--arch/powerpc/kernel/setup-common.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index d5a128f54537..5e7d70c5d065 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -919,6 +919,7 @@ void __init setup_arch(char **cmdline_p)
ppc_md.setup_arch();
setup_barrier_nospec();
+ setup_spectre_v2();
paging_init();