From a17c7f6f5b3b3f91ff7121c33bea8748c415ab15 Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Tue, 5 May 2009 17:14:39 +0000 Subject: [PATCH] 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 Signed-off-by: Mike Frysinger --- arch/blackfin/kernel/cplb-mpu/cplbinit.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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;