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authorRobin Getz <robin.getz@analog.com>2009-05-05 17:14:39 +0000
committerMike Frysinger <vapier@gentoo.org>2009-06-12 06:11:40 -0400
commita17c7f6f5b3b3f91ff7121c33bea8748c415ab15 (patch)
treefef3c96d782fb3014368bf65db4e63cce03b4676 /arch/blackfin/kernel
parent8af7ffa0d5460586e0f06b2f045a6a2631224b61 (diff)
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/kernel')
-rw-r--r--arch/blackfin/kernel/cplb-mpu/cplbinit.c2
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 3e329a6ce04..c006a44527b 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;