[PATCH 01/12] trace: rename kernel enum section to eval

From: Jeremy Linton
Date: Wed May 31 2017 - 17:57:01 EST


The kernel and its modules have sections containing the enum
string to value conversions. Rename this section because we
intend to store more than enums in it.

Signed-off-by: Jeremy Linton <jeremy.linton@xxxxxxx>
---
include/asm-generic/vmlinux.lds.h | 6 +++---
include/trace/trace_events.h | 2 +-
kernel/module.c | 2 +-
kernel/trace/trace.c | 8 ++++----
4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 314a0b9..800f9f9 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -125,9 +125,9 @@
VMLINUX_SYMBOL(__start_ftrace_events) = .; \
KEEP(*(_ftrace_events)) \
VMLINUX_SYMBOL(__stop_ftrace_events) = .; \
- VMLINUX_SYMBOL(__start_ftrace_enum_maps) = .; \
- KEEP(*(_ftrace_enum_map)) \
- VMLINUX_SYMBOL(__stop_ftrace_enum_maps) = .;
+ VMLINUX_SYMBOL(__start_ftrace_eval_maps) = .; \
+ KEEP(*(_ftrace_eval_map)) \
+ VMLINUX_SYMBOL(__stop_ftrace_eval_maps) = .;
#else
#define FTRACE_EVENTS()
#endif
diff --git a/include/trace/trace_events.h b/include/trace/trace_events.h
index 00f6431..4bdd840 100644
--- a/include/trace/trace_events.h
+++ b/include/trace/trace_events.h
@@ -43,7 +43,7 @@ TRACE_MAKE_SYSTEM_STR();
.enum_value = a \
}; \
static struct trace_enum_map __used \
- __attribute__((section("_ftrace_enum_map"))) \
+ __attribute__((section("_ftrace_eval_map"))) \
*TRACE_SYSTEM##_##a = &__##TRACE_SYSTEM##_##a

/*
diff --git a/kernel/module.c b/kernel/module.c
index 4a3665f..9ec4713 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -3077,7 +3077,7 @@ static int find_module_sections(struct module *mod, struct load_info *info)
mod->trace_events = section_objs(info, "_ftrace_events",
sizeof(*mod->trace_events),
&mod->num_trace_events);
- mod->trace_enums = section_objs(info, "_ftrace_enum_map",
+ mod->trace_enums = section_objs(info, "_ftrace_eval_map",
sizeof(*mod->trace_enums),
&mod->num_trace_enums);
#endif
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index c4536c4..ce564c2 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -7704,15 +7704,15 @@ struct dentry *tracing_init_dentry(void)
return NULL;
}

-extern struct trace_enum_map *__start_ftrace_enum_maps[];
-extern struct trace_enum_map *__stop_ftrace_enum_maps[];
+extern struct trace_enum_map *__start_ftrace_eval_maps[];
+extern struct trace_enum_map *__stop_ftrace_eval_maps[];

static void __init trace_enum_init(void)
{
int len;

- len = __stop_ftrace_enum_maps - __start_ftrace_enum_maps;
- trace_insert_enum_map(NULL, __start_ftrace_enum_maps, len);
+ len = __stop_ftrace_eval_maps - __start_ftrace_eval_maps;
+ trace_insert_enum_map(NULL, __start_ftrace_eval_maps, len);
}

#ifdef CONFIG_MODULES
--
2.9.4