sparc64: Make global reg dumping even more useful.

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Record one more level of stack frame program counter.

Particularly when lockdep and all sorts of spinlock debugging is
enabled, figuring out the caller of spin_lock() is difficult when the
cpu is stuck on the lock.

Signed-off-by: David S. Miller <davem@davemloft.net>

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David S. Miller 2008-07-30 21:57:59 -07:00

parent c9b23e0c30

commit 5afe27380b

3 changed files with 40 additions and 11 deletions

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8

arch/sparc/include/asm/ptrace_64.h

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36

arch/sparc64/kernel/process.c

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7

arch/sparc64/mm/ultra.S

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