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    Subject[PATCH 5.17 111/158] ARM: 9196/1: spectre-bhb: enable for Cortex-A15
    Date
    From: Ard Biesheuvel <ardb@kernel.org>

    [ Upstream commit 0dc14aa94ccd8ba35eb17a0f9b123d1566efd39e ]

    The Spectre-BHB mitigations were inadvertently left disabled for
    Cortex-A15, due to the fact that cpu_v7_bugs_init() is not called in
    that case. So fix that.

    Fixes: b9baf5c8c5c3 ("ARM: Spectre-BHB workaround")
    Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
    Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    arch/arm/mm/proc-v7-bugs.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/arch/arm/mm/proc-v7-bugs.c b/arch/arm/mm/proc-v7-bugs.c
    index 06dbfb968182..fb9f3eb6bf48 100644
    --- a/arch/arm/mm/proc-v7-bugs.c
    +++ b/arch/arm/mm/proc-v7-bugs.c
    @@ -288,6 +288,7 @@ void cpu_v7_ca15_ibe(void)
    {
    if (check_spectre_auxcr(this_cpu_ptr(&spectre_warned), BIT(0)))
    cpu_v7_spectre_v2_init();
    + cpu_v7_spectre_bhb_init();
    }

    void cpu_v7_bugs_init(void)
    --
    2.35.1


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