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Commit a17c7f6f authored by Robin Getz's avatar Robin Getz Committed by Mike Frysinger
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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: default avatarRobin Getz <robin.getz@analog.com>
Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
parent 8af7ffa0

arch/blackfin/kernel/cplb-mpu/cplbinit.c

+1 −1
Original line number Diff line number Diff line
@@ -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;