[PATCH] include/uapi/linux/perf_event.h: update comment about enum perf_hw_id.

[Wang Xiaoqiang <wangxq10@lzu.edu.cn>]

Hi, Arnaldo, 

    This patch just update the comment of the enum perf_hw_id. And the patch
is as follows.

thanks,
Wang Xiaoqiang

>From 00176ce957269070fd108fd9fbb72c8a0be275fc Mon Sep 17 00:00:00 2001
From: Wang Xiaoqiang <wangxq10@lzu.edu.cn>
Date: Sat, 16 Jan 2016 09:31:05 +0800
Subject: [PATCH] include/uapi/linux/perf_event.h: update comment about enum 
perf_hw_id.

Now we use the 'config' field in perf_event_attr to represent the
detail event, not a sub bit-field 'event_id' of 'config'.

Signed-off-by: Wang Xiaoqiang <wangxq10@lzu.edu.cn>
---
 include/uapi/linux/perf_event.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index 1afe962..6a85984 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -38,7 +38,7 @@ enum perf_type_id {
 
 /*
  * Generalized performance event event_id types, used by the
- * attr.event_id parameter of the sys_perf_event_open()
+ * attr.config parameter of the sys_perf_event_open()
  * syscall:
  */
 enum perf_hw_id {
-- 
2.1.4