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Subject[PATCH v7 03/10] ppc use ftrace_modify_all_code default
Convert ppc's arch_ftrace_update_code from its own function copy
to use the generic default functionality (without stop_machine --
our instructions are properly aligned and the replacements atomic ;)

With this we gain error checking and the much-needed function_trace_op
handling.

Signed-off-by: Torsten Duwe <duwe@suse.de>
---
arch/powerpc/kernel/ftrace.c | 16 ++++------------
1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c
index 1fad1b3..ef8b916 100644
--- a/arch/powerpc/kernel/ftrace.c
+++ b/arch/powerpc/kernel/ftrace.c
@@ -531,20 +531,12 @@ void ftrace_replace_code(int enable)
}
}

+/* Use the default ftrace_modify_all_code, but without
+ * stop_machine().
+ */
void arch_ftrace_update_code(int command)
{
- if (command & FTRACE_UPDATE_CALLS)
- ftrace_replace_code(1);
- else if (command & FTRACE_DISABLE_CALLS)
- ftrace_replace_code(0);
-
- if (command & FTRACE_UPDATE_TRACE_FUNC)
- ftrace_update_ftrace_func(ftrace_trace_function);
-
- if (command & FTRACE_START_FUNC_RET)
- ftrace_enable_ftrace_graph_caller();
- else if (command & FTRACE_STOP_FUNC_RET)
- ftrace_disable_ftrace_graph_caller();
+ ftrace_modify_all_code(command);
}

int __init ftrace_dyn_arch_init(void)
--
1.8.5.6
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