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

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Date:   Wed, 31 May 2017 16:56:42 -0500
From:   Jeremy Linton <jeremy.linton@....com>
To:     linux-kernel@...r.kernel.org
Cc:     linux-arch@...r.kernel.org, rostedt@...dmis.org, mingo@...hat.com,
        rusty@...tcorp.com.au, jeyu@...hat.com,
        kirill.shutemov@...ux.intel.com, christoffer.dall@...aro.org,
        marc.zyngier@....com, jcm@...masters.org
Subject: [PATCH 01/12] trace: rename kernel enum section to eval

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@....com>
---
 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