diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-28 09:52:25 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-28 09:52:25 -0700 |
commit | e946217e4fdaa67681bbabfa8e6b18641921f750 (patch) | |
tree | 057ad6cb5869e20db7b93f154319560b55cbc725 /arch/powerpc | |
parent | a1865769254dd4eefbc1e857d17bc2a77d5f8580 (diff) | |
parent | 60063a66236c15f5613f91390631e06718689782 (diff) |
Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (31 commits)
ftrace: fix current_tracer error return
tracing: fix a build error on alpha
ftrace: use a real variable for ftrace_nop in x86
tracing/ftrace: make boot tracer select the sched_switch tracer
tracepoint: check if the probe has been registered
asm-generic: define DIE_OOPS in asm-generic
trace: fix printk warning for u64
ftrace: warning in kernel/trace/ftrace.c
ftrace: fix build failure
ftrace, powerpc, sparc64, x86: remove notrace from arch ftrace file
ftrace: remove ftrace hash
ftrace: remove mcount set
ftrace: remove daemon
ftrace: disable dynamic ftrace for all archs that use daemon
ftrace: add ftrace warn on to disable ftrace
ftrace: only have ftrace_kill atomic
ftrace: use probe_kernel
ftrace: comment arch ftrace code
ftrace: return error on failed modified text.
ftrace: dynamic ftrace process only text section
...
Diffstat (limited to 'arch/powerpc')
-rw-r--r-- | arch/powerpc/Kconfig | 3 | ||||
-rw-r--r-- | arch/powerpc/Makefile | 2 | ||||
-rw-r--r-- | arch/powerpc/include/asm/ftrace.h | 2 | ||||
-rw-r--r-- | arch/powerpc/kernel/Makefile | 2 | ||||
-rw-r--r-- | arch/powerpc/kernel/entry_32.S | 2 | ||||
-rw-r--r-- | arch/powerpc/kernel/entry_64.S | 2 | ||||
-rw-r--r-- | arch/powerpc/kernel/ftrace.c | 27 | ||||
-rw-r--r-- | arch/powerpc/kernel/ppc_ksyms.c | 2 | ||||
-rw-r--r-- | arch/powerpc/platforms/powermac/Makefile | 2 |
9 files changed, 13 insertions, 31 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 5b1527883fc..525c13a4de9 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -108,8 +108,7 @@ config ARCH_NO_VIRT_TO_BUS config PPC bool default y - select HAVE_DYNAMIC_FTRACE - select HAVE_FTRACE + select HAVE_FUNCTION_TRACER select ARCH_WANT_OPTIONAL_GPIOLIB select HAVE_IDE select HAVE_IOREMAP_PROT diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 24dd1a37f8f..1f066706994 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -122,7 +122,7 @@ KBUILD_CFLAGS += -mcpu=powerpc endif # Work around a gcc code-gen bug with -fno-omit-frame-pointer. -ifeq ($(CONFIG_FTRACE),y) +ifeq ($(CONFIG_FUNCTION_TRACER),y) KBUILD_CFLAGS += -mno-sched-epilog endif diff --git a/arch/powerpc/include/asm/ftrace.h b/arch/powerpc/include/asm/ftrace.h index de921326cca..b298f7a631e 100644 --- a/arch/powerpc/include/asm/ftrace.h +++ b/arch/powerpc/include/asm/ftrace.h @@ -1,7 +1,7 @@ #ifndef _ASM_POWERPC_FTRACE #define _ASM_POWERPC_FTRACE -#ifdef CONFIG_FTRACE +#ifdef CONFIG_FUNCTION_TRACER #define MCOUNT_ADDR ((long)(_mcount)) #define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */ diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index fdb58253fa5..92673b43858 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -12,7 +12,7 @@ CFLAGS_prom_init.o += -fPIC CFLAGS_btext.o += -fPIC endif -ifdef CONFIG_FTRACE +ifdef CONFIG_FUNCTION_TRACER # Do not trace early boot code CFLAGS_REMOVE_cputable.o = -pg -mno-sched-epilog CFLAGS_REMOVE_prom_init.o = -pg -mno-sched-epilog diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 1cbbf703364..7ecc0d1855c 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -1158,7 +1158,7 @@ machine_check_in_rtas: #endif /* CONFIG_PPC_RTAS */ -#ifdef CONFIG_FTRACE +#ifdef CONFIG_FUNCTION_TRACER #ifdef CONFIG_DYNAMIC_FTRACE _GLOBAL(mcount) _GLOBAL(_mcount) diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index fd8b4bae9b0..e6d52845854 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -884,7 +884,7 @@ _GLOBAL(enter_prom) mtlr r0 blr -#ifdef CONFIG_FTRACE +#ifdef CONFIG_FUNCTION_TRACER #ifdef CONFIG_DYNAMIC_FTRACE _GLOBAL(mcount) _GLOBAL(_mcount) diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c index 3855ceb937b..f4b006ed0ab 100644 --- a/arch/powerpc/kernel/ftrace.c +++ b/arch/powerpc/kernel/ftrace.c @@ -28,17 +28,17 @@ static unsigned int ftrace_nop = 0x60000000; #endif -static unsigned int notrace ftrace_calc_offset(long ip, long addr) +static unsigned int ftrace_calc_offset(long ip, long addr) { return (int)(addr - ip); } -notrace unsigned char *ftrace_nop_replace(void) +unsigned char *ftrace_nop_replace(void) { return (char *)&ftrace_nop; } -notrace unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr) +unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr) { static unsigned int op; @@ -68,7 +68,7 @@ notrace unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr) # define _ASM_PTR " .long " #endif -notrace int +int ftrace_modify_code(unsigned long ip, unsigned char *old_code, unsigned char *new_code) { @@ -113,7 +113,7 @@ ftrace_modify_code(unsigned long ip, unsigned char *old_code, return faulted; } -notrace int ftrace_update_ftrace_func(ftrace_func_t func) +int ftrace_update_ftrace_func(ftrace_func_t func) { unsigned long ip = (unsigned long)(&ftrace_call); unsigned char old[MCOUNT_INSN_SIZE], *new; @@ -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/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index 8edc2359c41..260089dccfb 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -68,7 +68,7 @@ EXPORT_SYMBOL(single_step_exception); EXPORT_SYMBOL(sys_sigreturn); #endif -#ifdef CONFIG_FTRACE +#ifdef CONFIG_FUNCTION_TRACER EXPORT_SYMBOL(_mcount); #endif diff --git a/arch/powerpc/platforms/powermac/Makefile b/arch/powerpc/platforms/powermac/Makefile index be60d64be7a..50f16939255 100644 --- a/arch/powerpc/platforms/powermac/Makefile +++ b/arch/powerpc/platforms/powermac/Makefile @@ -1,6 +1,6 @@ CFLAGS_bootx_init.o += -fPIC -ifdef CONFIG_FTRACE +ifdef CONFIG_FUNCTION_TRACER # Do not trace early boot code CFLAGS_REMOVE_bootx_init.o = -pg -mno-sched-epilog endif |