From f6bce541808556cecf5b142c38bcf4b50050a895 Mon Sep 17 00:00:00 2001
From: Franck Bui-Huu <vagabon.xyz@gmail.com>
Date: Thu, 3 Aug 2006 09:29:18 +0200
Subject: [PATCH] --- yaml --- r: 35998 b: refs/heads/master c:
 6057a7987608941a203f40f8b53513af433d8d2f h: refs/heads/master v: v3

---
 [refs]                           |  2 +-
 trunk/arch/mips/kernel/process.c | 18 +++++++++---------
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/[refs] b/[refs]
index 568bb4d32ca4..83b16ce08d4f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 87151ae39bf5556abe83d69af0be9580c32c501b
+refs/heads/master: 6057a7987608941a203f40f8b53513af433d8d2f
diff --git a/trunk/arch/mips/kernel/process.c b/trunk/arch/mips/kernel/process.c
index 93d5432759db..da332d707ce5 100644
--- a/trunk/arch/mips/kernel/process.c
+++ b/trunk/arch/mips/kernel/process.c
@@ -370,15 +370,15 @@ static int __init frame_info_init(void)
 	mfinfo[0].func = schedule;
 	schedule_frame = &mfinfo[0];
 #endif
-	for (i = 0; i < ARRAY_SIZE(mfinfo) && mfinfo[i].func; i++) {
-		struct mips_frame_info *info = &mfinfo[i];
-		if (get_frame_info(info)) {
-			/* leaf or unknown */
-			if (info->func == schedule)
-				printk("Can't analyze prologue code at %p\n",
-				       info->func);
-		}
-	}
+	for (i = 0; i < ARRAY_SIZE(mfinfo) && mfinfo[i].func; i++)
+		get_frame_info(mfinfo + i);
+
+	/*
+	 * Without schedule() frame info, result given by
+	 * thread_saved_pc() and get_wchan() are not reliable.
+	 */
+	if (schedule_frame->pc_offset < 0)
+		printk("Can't analyze schedule() prologue at %p\n", schedule);
 
 	mfinfo_num = i;
 	return 0;