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| author | Robin Getz <robin.getz@analog.com> | 2009-05-05 19:14:39 +0200 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2009-06-12 12:11:40 +0200 |
| commit | a17c7f6f5b3b3f91ff7121c33bea8748c415ab15 (patch) | |
| tree | fef3c96d782fb3014368bf65db4e63cce03b4676 /arch/blackfin | |
| parent | Blackfin: add workaround for anomaly 05000287 (diff) | |
| download | linux-a17c7f6f5b3b3f91ff7121c33bea8748c415ab15.tar.xz linux-a17c7f6f5b3b3f91ff7121c33bea8748c415ab15.zip | |
Blackfin: make sure MPU CPLB for first 1k is marked as valid
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>
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | 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 3e329a6ce041..c006a44527bf 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; |