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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.

Link: http://lkml.kernel.org/r/20170531215653.3240-2-jeremy.linton@arm.com

Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Jeremy Linton 2017-05-31 16:56:42 -05:00 committed by Steven Rostedt (VMware)
parent 6a5ae63a0c
commit 02fd7f68f5
4 changed files with 9 additions and 9 deletions
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6
include/asm-generic/vmlinux.lds.h
View File

@ -125,9 +125,9 @@
VMLINUX_SYMBOL(__start_ftrace_events) = .; \ VMLINUX_SYMBOL(__start_ftrace_events) = .; \
KEEP(*(_ftrace_events)) \ KEEP(*(_ftrace_events)) \
VMLINUX_SYMBOL(__stop_ftrace_events) = .; \ VMLINUX_SYMBOL(__stop_ftrace_events) = .; \
VMLINUX_SYMBOL(__start_ftrace_enum_maps) = .; \ VMLINUX_SYMBOL(__start_ftrace_eval_maps) = .; \
KEEP(*(_ftrace_enum_map)) \ KEEP(*(_ftrace_eval_map)) \
VMLINUX_SYMBOL(__stop_ftrace_enum_maps) = .; VMLINUX_SYMBOL(__stop_ftrace_eval_maps) = .;
#else #else
#define FTRACE_EVENTS() #define FTRACE_EVENTS()
#endif #endif

2
include/trace/trace_events.h
View File

@ -43,7 +43,7 @@ TRACE_MAKE_SYSTEM_STR();
.enum_value = a \ .enum_value = a \
}; \ }; \
static struct trace_enum_map __used \ static struct trace_enum_map __used \
__attribute__((section("_ftrace_enum_map"))) \ __attribute__((section("_ftrace_eval_map"))) \
*TRACE_SYSTEM##_##a = &__##TRACE_SYSTEM##_##a *TRACE_SYSTEM##_##a = &__##TRACE_SYSTEM##_##a
/* /*

2
kernel/module.c
View File

@ -3077,7 +3077,7 @@ static int find_module_sections(struct module *mod, struct load_info *info)
mod->trace_events = section_objs(info, "_ftrace_events", mod->trace_events = section_objs(info, "_ftrace_events",
sizeof(*mod->trace_events), sizeof(*mod->trace_events),
&mod->num_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), sizeof(*mod->trace_enums),
&mod->num_trace_enums); &mod->num_trace_enums);
#endif #endif

8
kernel/trace/trace.c
View File

@ -7732,15 +7732,15 @@ struct dentry *tracing_init_dentry(void)
return NULL; return NULL;
} }
extern struct trace_enum_map *__start_ftrace_enum_maps[]; extern struct trace_enum_map *__start_ftrace_eval_maps[];
extern struct trace_enum_map *__stop_ftrace_enum_maps[]; extern struct trace_enum_map *__stop_ftrace_eval_maps[];
static void __init trace_enum_init(void) static void __init trace_enum_init(void)
{ {
int len; int len;
len = __stop_ftrace_enum_maps - __start_ftrace_enum_maps; len = __stop_ftrace_eval_maps - __start_ftrace_eval_maps;
trace_insert_enum_map(NULL, __start_ftrace_enum_maps, len); trace_insert_enum_map(NULL, __start_ftrace_eval_maps, len);
} }
#ifdef CONFIG_MODULES #ifdef CONFIG_MODULES