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    Subject[PATCH 4.14 051/107] powerpc/fsl: Enable runtime patching if nospectre_v2 boot arg is used
    Date
    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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