Blackfin arch: fix bug - jump_to_zero test case failed on noMPU kernel
authorBernd Schmidt <bernds_cb1@t-online.de>
Mon, 2 Mar 2009 10:37:48 +0000 (18:37 +0800)
committerBryan Wu <cooloney@kernel.org>
Mon, 2 Mar 2009 10:37:48 +0000 (18:37 +0800)
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>
arch/blackfin/kernel/cplb-nompu/cplbinit.c

index 0e28f75957330d92406b08adbc13024b9e5017c8..d6c067782e638987ba406164f6df65adeb0b15db 100644 (file)
@@ -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;