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authorArjan van de Ven <arjan@linux.intel.com>2008-08-16 02:29:38 +0400
committerIngo Molnar <mingo@elte.hu>2008-09-10 11:08:53 +0400
commitab7476cf76e560f0efda2a631a70aabe93009025 (patch)
treed4e843760774d7099692950a6ac49ccdbc8b0d55 /include/linux/kernel.h
parentfb822db465bd9fd4208eef1af4490539b236c54e (diff)
downloadlinux-ab7476cf76e560f0efda2a631a70aabe93009025.tar.xz
debug: add notifier chain debugging, v2
- 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>
Diffstat (limited to 'include/linux/kernel.h')
-rw-r--r--include/linux/kernel.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 2651f805ba6d..4e1366b552ae 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -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);