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    Subject[PATCH 34/62] Blackfin: make sure MPU CPLB for first 1k is marked as valid
    Date
    From: Robin Getz <robin.getz@analog.com>

    This way we properly catch and kill applications that jump to a NULL ptr.

    Signed-off-by: Robin Getz <robin.getz@analog.com>
    Signed-off-by: Mike Frysinger <vapier@gentoo.org>
    ---
    arch/blackfin/kernel/cplb-mpu/cplbinit.c | 2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)

    diff --git a/arch/blackfin/kernel/cplb-mpu/cplbinit.c b/arch/blackfin/kernel/cplb-mpu/cplbinit.c
    index 3e329a6..c006a44 100644
    --- a/arch/blackfin/kernel/cplb-mpu/cplbinit.c
    +++ b/arch/blackfin/kernel/cplb-mpu/cplbinit.c
    @@ -64,7 +64,7 @@ void __init generate_cplb_tables_cpu(unsigned int cpu)
    dcplb_tbl[cpu][i_d++].data = SDRAM_OOPS | PAGE_SIZE_1KB;

    icplb_tbl[cpu][i_i].addr = 0;
    - icplb_tbl[cpu][i_i++].data = i_cache | CPLB_USER_RD | PAGE_SIZE_1KB;
    + icplb_tbl[cpu][i_i++].data = CPLB_VALID | i_cache | CPLB_USER_RD | PAGE_SIZE_1KB;

    /* Cover kernel memory with 4M pages. */
    addr = 0;
    --
    1.6.3.1


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