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debug: add notifier chain debugging, v2

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- unbreak ia64 (and powerpc) where function pointers dont
  point at code but at data (reported by Tony Luck)

[ mingo@elte.hu: various cleanups ]

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arjan van de Ven
2008-08-15 15:29:38 -07:00
committed by Ingo Molnar
parent fb822db465
commit ab7476cf76
4 changed files with 21 additions and 10 deletions
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include/linux/kernel.h
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@ -187,6 +187,9 @@ extern unsigned long long memparse(char *ptr, char **retptr);
extern int core_kernel_text(unsigned long addr);
extern int __kernel_text_address(unsigned long addr);
extern int kernel_text_address(unsigned long addr);
extern int func_ptr_is_kernel_text(void *ptr);
extern void *dereference_function_descriptor(void *ptr);
struct pid;
extern struct pid *session_of_pgrp(struct pid *pgrp);