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author | Steven Rostedt <rostedt@goodmis.org> | 2008-10-23 09:33:06 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-10-23 16:00:23 +0200 |
commit | 4d296c24326783bff1282ac72f310d8bac8df413 (patch) | |
tree | 75751fdafc0fa5818a926478e78dd9e54f1cf872 /arch | |
parent | cb7be3b2fc2cf089ee52b16f0fd9ebb29e9944e1 (diff) | |
download | linux-4d296c24326783bff1282ac72f310d8bac8df413.tar.gz linux-4d296c24326783bff1282ac72f310d8bac8df413.tar.bz2 linux-4d296c24326783bff1282ac72f310d8bac8df413.zip |
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.c | 13 | ||||
-rw-r--r-- | arch/powerpc/kernel/ftrace.c | 17 | ||||
-rw-r--r-- | arch/sparc64/kernel/ftrace.c | 18 | ||||
-rw-r--r-- | arch/x86/kernel/ftrace.c | 7 |
4 files changed, 0 insertions, 55 deletions
diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c index 76d50e6091bc..6c90479e8974 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 3855ceb937b0..6b75522e8b34 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 4298d0aee713..447942041a7c 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 da4fb0deecf7..b399eed23538 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[]; |