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Blackfin arch: fix bug - jump_to_zero test case failed on noMPU kernel

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The nompu code is now derived from the mpu code, and had the same problem -
no null pointer detection on ICPLBs.

Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de>
Cc: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Bernd Schmidt 2009-03-02 18:37:48 +08:00 committed by Bryan Wu
parent 34d464f8aa
commit e84dcaa18b
1 changed files with 4 additions and 0 deletions
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4
arch/blackfin/kernel/cplb-nompu/cplbinit.c
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@ -53,9 +53,13 @@ void __init generate_cplb_tables_cpu(unsigned int cpu)
i_d = i_i = 0;
#ifdef CONFIG_DEBUG_HUNT_FOR_ZERO
/* Set up the zero page. */
d_tbl[i_d].addr = 0;
d_tbl[i_d++].data = SDRAM_OOPS | PAGE_SIZE_1KB;
i_tbl[i_i].addr = 0;
i_tbl[i_i++].data = SDRAM_OOPS | PAGE_SIZE_1KB;
#endif
/* Cover kernel memory with 4M pages. */
addr = 0;