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    Subject[PATCH 4.4 086/266] Documentation: Add nospectre_v1 parameter
    Date
    From: Diana Craciun <diana.craciun@nxp.com>

    commit 26cb1f36c43ee6e89d2a9f48a5a7500d5248f836 upstream.

    Currently only supported on powerpc.

    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>

    ---
    Documentation/kernel-parameters.txt | 4 ++++
    1 file changed, 4 insertions(+)

    --- a/Documentation/kernel-parameters.txt
    +++ b/Documentation/kernel-parameters.txt
    @@ -2450,6 +2450,10 @@ bytes respectively. Such letter suffixes

    nohugeiomap [KNL,x86] Disable kernel huge I/O mappings.

    + nospectre_v1 [PPC] Disable mitigations for Spectre Variant 1 (bounds
    + check bypass). With this option data leaks are possible
    + in the system.
    +
    nospectre_v2 [X86,PPC_FSL_BOOK3E] Disable all mitigations for the Spectre variant 2
    (indirect branch prediction) vulnerability. System may
    allow data leaks with this option, which is equivalent

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