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authorGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
committerGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
commitc71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch)
treeecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /arch/x86/include/asm/ftrace.h
parentea53c912f8a86a8567697115b6a0d8152beee5c8 (diff)
parent6a00f206debf8a5c8899055726ad127dbeeed098 (diff)
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts: litmus/sched_cedf.c
Diffstat (limited to 'arch/x86/include/asm/ftrace.h')
-rw-r--r--arch/x86/include/asm/ftrace.h7
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h
index db24c2278be0..268c783ab1c0 100644
--- a/arch/x86/include/asm/ftrace.h
+++ b/arch/x86/include/asm/ftrace.h
@@ -38,11 +38,10 @@ extern void mcount(void);
38static inline unsigned long ftrace_call_adjust(unsigned long addr) 38static inline unsigned long ftrace_call_adjust(unsigned long addr)
39{ 39{
40 /* 40 /*
41 * call mcount is "e8 <4 byte offset>" 41 * addr is the address of the mcount call instruction.
42 * The addr points to the 4 byte offset and the caller of this 42 * recordmcount does the necessary offset calculation.
43 * function wants the pointer to e8. Simply subtract one.
44 */ 43 */
45 return addr - 1; 44 return addr;
46} 45}
47 46
48#ifdef CONFIG_DYNAMIC_FTRACE 47#ifdef CONFIG_DYNAMIC_FTRACE