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* Blackfin: fix bug found by traps test case 21Graf Yang2009-06-121-1/+1
| | | | | | | | | | The traps test case 21 "exception 0x3f: l1_instruction_access" would make the kernel panic on BF533's because we end up calling show_stack() infinitely. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
* Blackfin arch: Use DTEST rather than DMA to poke at L1 SRAM during exception ↵Robin Getz2008-10-081-0/+201
context Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
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