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Blackfin arch: fix bug - traps test case 19 for exception 0x2d fails

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Enable null pointer checking for ICPLBs. The code was there but for
some reason I had commented it out at some stage during development.

Should restrict this to 1K since atomic ops start there.

Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Bernd Schmidt
2009-02-04 16:49:45 +08:00
committed by Bryan Wu
parent 65319628db
commit bf324cb81a
1 changed files with 1 additions and 3 deletions
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4
arch/blackfin/kernel/cplb-mpu/cplbinit.c
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@@ -63,10 +63,8 @@ void __init generate_cplb_tables_cpu(unsigned int cpu)
dcplb_tbl[cpu][i_d].addr = 0; dcplb_tbl[cpu][i_d].addr = 0;
dcplb_tbl[cpu][i_d++].data = SDRAM_OOPS | PAGE_SIZE_1KB; dcplb_tbl[cpu][i_d++].data = SDRAM_OOPS | PAGE_SIZE_1KB;
#if 0
icplb_tbl[cpu][i_i].addr = 0; icplb_tbl[cpu][i_i].addr = 0;
icplb_tbl[cpu][i_i++].data = i_cache | CPLB_USER_RD | PAGE_SIZE_4KB; icplb_tbl[cpu][i_i++].data = i_cache | CPLB_USER_RD | PAGE_SIZE_1KB;
#endif
/* Cover kernel memory with 4M pages. */ /* Cover kernel memory with 4M pages. */
addr = 0; addr = 0;