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 --- arch/arm/kernel/ftrace.c | 13 ------------- arch/powerpc/kernel/ftrace.c | 17 ----------------- arch/sparc64/kernel/ftrace.c | 18 ------------------ arch/x86/kernel/ftrace.c | 7 ------- include/linux/ftrace.h | 1 - kernel/trace/ftrace.c | 9 --------- 6 files changed, 65 deletions(-) Index: linux-compile.git/arch/arm/kernel/ftrace.c =================================================================== --- linux-compile.git.orig/arch/arm/kernel/ftrace.c 2008-10-22 16:07:09.000000000 -0400 +++ linux-compile.git/arch/arm/kernel/ftrace.c 2008-10-22 16:07:55.000000000 -0400 @@ -95,19 +95,6 @@ int ftrace_update_ftrace_func(ftrace_fun 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) { Index: linux-compile.git/arch/powerpc/kernel/ftrace.c =================================================================== --- linux-compile.git.orig/arch/powerpc/kernel/ftrace.c 2008-10-22 15:52:28.000000000 -0400 +++ linux-compile.git/arch/powerpc/kernel/ftrace.c 2008-10-22 16:07:55.000000000 -0400 @@ -126,23 +126,6 @@ notrace int ftrace_update_ftrace_func(ft 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 */ Index: linux-compile.git/arch/x86/kernel/ftrace.c =================================================================== --- linux-compile.git.orig/arch/x86/kernel/ftrace.c 2008-10-22 16:07:24.000000000 -0400 +++ linux-compile.git/arch/x86/kernel/ftrace.c 2008-10-22 16:07:55.000000000 -0400 @@ -103,13 +103,6 @@ notrace int ftrace_update_ftrace_func(ft 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[]; Index: linux-compile.git/include/linux/ftrace.h =================================================================== --- linux-compile.git.orig/include/linux/ftrace.h 2008-10-22 16:07:27.000000000 -0400 +++ linux-compile.git/include/linux/ftrace.h 2008-10-22 16:08:24.000000000 -0400 @@ -71,7 +71,6 @@ extern int ftrace_ip_converted(unsigned extern unsigned char *ftrace_nop_replace(void); extern unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr); extern int ftrace_dyn_arch_init(void *data); -extern int ftrace_mcount_set(unsigned long *data); extern int ftrace_update_ftrace_func(ftrace_func_t func); extern void ftrace_caller(void); extern void ftrace_call(void); Index: linux-compile.git/kernel/trace/ftrace.c =================================================================== --- linux-compile.git.orig/kernel/trace/ftrace.c 2008-10-22 16:07:36.000000000 -0400 +++ linux-compile.git/kernel/trace/ftrace.c 2008-10-22 16:07:55.000000000 -0400 @@ -619,7 +619,6 @@ static int ftrace_update_code(void *igno static int __ftrace_modify_code(void *data) { - unsigned long addr; int *command = data; if (*command & FTRACE_ENABLE_CALLS) { @@ -638,14 +637,6 @@ static int __ftrace_modify_code(void *da if (*command & FTRACE_UPDATE_TRACE_FUNC) ftrace_update_ftrace_func(ftrace_trace_function); - if (*command & FTRACE_ENABLE_MCOUNT) { - addr = (unsigned long)ftrace_record_ip; - ftrace_mcount_set(&addr); - } else if (*command & FTRACE_DISABLE_MCOUNT) { - addr = (unsigned long)ftrace_stub; - ftrace_mcount_set(&addr); - } - return 0; } Index: linux-compile.git/arch/sparc64/kernel/ftrace.c =================================================================== --- linux-compile.git.orig/arch/sparc64/kernel/ftrace.c 2008-10-22 16:07:09.000000000 -0400 +++ linux-compile.git/arch/sparc64/kernel/ftrace.c 2008-10-22 16:08:45.000000000 -0400 @@ -69,24 +69,6 @@ notrace int ftrace_update_ftrace_func(ft 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); -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/