Commit e84dcaa1 authored Mar 02, 2009 by Bernd Schmidt Committed by Bryan Wu Mar 02, 2009

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



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>

parent 34d464f8

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

+4 −0

Original line number	Diff line number	Diff line
		@@ -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;