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authorDavid Woodhouse <David.Woodhouse@intel.com>2008-10-21 14:42:20 -0400
committerDavid Woodhouse <David.Woodhouse@intel.com>2008-10-21 14:42:20 -0400
commitb876d08f816527af257e13d89fb0d3b4b849223c (patch)
tree40569f568230f918ca55f04b355e251747f913ed /include/asm-x86/ftrace.h
parentb364776ad1208a71f0c53578c84619a395412a8d (diff)
parent2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/pci/dmar.c
Diffstat (limited to 'include/asm-x86/ftrace.h')
-rw-r--r--include/asm-x86/ftrace.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-x86/ftrace.h b/include/asm-x86/ftrace.h
index be0e004ad148..1bb6f9bbe1ab 100644
--- a/include/asm-x86/ftrace.h
+++ b/include/asm-x86/ftrace.h
@@ -7,6 +7,16 @@
7 7
8#ifndef __ASSEMBLY__ 8#ifndef __ASSEMBLY__
9extern void mcount(void); 9extern void mcount(void);
10
11static inline unsigned long ftrace_call_adjust(unsigned long addr)
12{
13 /*
14 * call mcount is "e8 <4 byte offset>"
15 * The addr points to the 4 byte offset and the caller of this
16 * function wants the pointer to e8. Simply subtract one.
17 */
18 return addr - 1;
19}
10#endif 20#endif
11 21
12#endif /* CONFIG_FTRACE */ 22#endif /* CONFIG_FTRACE */