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Blackfin arch: fix bug - kernel with SMP patch can not bootup

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The original code defined _exception_stack but not alloc space for the exception
stack. In exception, this area is over written by exception stack. Common kernel
luckly boot up, but SMP kernel stuck.

Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Graf Yang 2008-10-28 14:00:52 +08:00 committed by Bryan Wu
parent d292b00031
commit efe065a1b3
1 changed files with 4 additions and 3 deletions
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7
arch/blackfin/mach-common/entry.S
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@ -1555,7 +1555,8 @@ _last_cplb_fault_retx:
.bss
#endif
_exception_stack:
.size _exception_stack, 1024 * 4
.set _exception_stack_top, _exception_stack + 1024 * 4
.size _exception_stack_top, 0
.rept 1024
.long 0
.endr
_exception_stack_top:
#endif