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authorSteven Rostedt <rostedt@goodmis.org>2008-10-23 09:33:06 -0400
committerIngo Molnar <mingo@elte.hu>2008-10-23 16:00:23 +0200
commit4d296c24326783bff1282ac72f310d8bac8df413 (patch)
tree75751fdafc0fa5818a926478e78dd9e54f1cf872 /arch
parentcb7be3b2fc2cf089ee52b16f0fd9ebb29e9944e1 (diff)
downloadop-kernel-dev-4d296c24326783bff1282ac72f310d8bac8df413.zip
op-kernel-dev-4d296c24326783bff1282ac72f310d8bac8df413.tar.gz
ftrace: remove mcount set
The arch dependent function ftrace_mcount_set was only used by the daemon start up code. This patch removes it. Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/kernel/ftrace.c13
-rw-r--r--arch/powerpc/kernel/ftrace.c17
-rw-r--r--arch/sparc64/kernel/ftrace.c18
-rw-r--r--arch/x86/kernel/ftrace.c7
4 files changed, 0 insertions, 55 deletions
diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c
index 76d50e6..6c90479 100644
--- a/arch/arm/kernel/ftrace.c
+++ b/arch/arm/kernel/ftrace.c
@@ -95,19 +95,6 @@ int ftrace_update_ftrace_func(ftrace_func_t func)
return ret;
}
-int ftrace_mcount_set(unsigned long *data)
-{
- unsigned long pc, old;
- unsigned long *addr = data;
- unsigned char *new;
-
- pc = (unsigned long)&mcount_call;
- memcpy(&old, &mcount_call, MCOUNT_INSN_SIZE);
- new = ftrace_call_replace(pc, *addr);
- *addr = ftrace_modify_code(pc, (unsigned char *)&old, new);
- return 0;
-}
-
/* run from kstop_machine */
int __init ftrace_dyn_arch_init(void *data)
{
diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c
index 3855ceb..6b75522 100644
--- a/arch/powerpc/kernel/ftrace.c
+++ b/arch/powerpc/kernel/ftrace.c
@@ -126,23 +126,6 @@ notrace int ftrace_update_ftrace_func(ftrace_func_t func)
return ret;
}
-notrace int ftrace_mcount_set(unsigned long *data)
-{
- unsigned long ip = (long)(&mcount_call);
- unsigned long *addr = data;
- unsigned char old[MCOUNT_INSN_SIZE], *new;
-
- /*
- * Replace the mcount stub with a pointer to the
- * ip recorder function.
- */
- memcpy(old, &mcount_call, MCOUNT_INSN_SIZE);
- new = ftrace_call_replace(ip, *addr);
- *addr = ftrace_modify_code(ip, old, new);
-
- return 0;
-}
-
int __init ftrace_dyn_arch_init(void *data)
{
/* This is running in kstop_machine */
diff --git a/arch/sparc64/kernel/ftrace.c b/arch/sparc64/kernel/ftrace.c
index 4298d0a..4479420 100644
--- a/arch/sparc64/kernel/ftrace.c
+++ b/arch/sparc64/kernel/ftrace.c
@@ -69,24 +69,6 @@ notrace int ftrace_update_ftrace_func(ftrace_func_t func)
return ftrace_modify_code(ip, old, new);
}
-notrace int ftrace_mcount_set(unsigned long *data)
-{
- unsigned long ip = (long)(&mcount_call);
- unsigned long *addr = data;
- unsigned char old[MCOUNT_INSN_SIZE], *new;
-
- /*
- * Replace the mcount stub with a pointer to the
- * ip recorder function.
- */
- memcpy(old, &mcount_call, MCOUNT_INSN_SIZE);
- new = ftrace_call_replace(ip, *addr);
- *addr = ftrace_modify_code(ip, old, new);
-
- return 0;
-}
-
-
int __init ftrace_dyn_arch_init(void *data)
{
ftrace_mcount_set(data);
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index da4fb0d..b399eed 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -103,13 +103,6 @@ notrace int ftrace_update_ftrace_func(ftrace_func_t func)
return ret;
}
-notrace int ftrace_mcount_set(unsigned long *data)
-{
- /* mcount is initialized as a nop */
- *data = 0;
- return 0;
-}
-
int __init ftrace_dyn_arch_init(void *data)
{
extern const unsigned char ftrace_test_p6nop[];
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