lkml.org 
[lkml]   [2008]   [Nov]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH 1/2] warn: consolidate warn_slowpath and warn_on_slowpath
From 7aaa8478fe22e944adf185e465fa07799b87e573 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Fri, 28 Nov 2008 08:30:46 -0800
Subject: [PATCH] warn: consolidate warn_slowpath and warn_on_slowpath

warn_slowpath is a superset of warn_on_slowpath; just have
warn_on_slowpath call warn_slowpath with a NULL 3rd argument.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
kernel/panic.c | 32 ++++++++++++--------------------
1 files changed, 12 insertions(+), 20 deletions(-)

diff --git a/kernel/panic.c b/kernel/panic.c
index d1ac662..2b913aa 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -324,23 +324,6 @@ void oops_exit(void)
}

#ifdef WANT_WARN_ON_SLOWPATH
-void warn_on_slowpath(const char *file, int line)
-{
- char function[KSYM_SYMBOL_LEN];
- unsigned long caller = (unsigned long) __builtin_return_address(0);
- sprint_symbol(function, caller);
-
- printk(KERN_WARNING "------------[ cut here ]------------\n");
- printk(KERN_WARNING "WARNING: at %s:%d %s()\n", file,
- line, function);
- print_modules();
- dump_stack();
- print_oops_end_marker();
- add_taint(TAINT_WARN);
-}
-EXPORT_SYMBOL(warn_on_slowpath);
-
-
void warn_slowpath(const char *file, int line, const char *fmt, ...)
{
va_list args;
@@ -351,9 +334,12 @@ void warn_slowpath(const char *file, int line, const char *fmt, ...)
printk(KERN_WARNING "------------[ cut here ]------------\n");
printk(KERN_WARNING "WARNING: at %s:%d %s()\n", file,
line, function);
- va_start(args, fmt);
- vprintk(fmt, args);
- va_end(args);
+
+ if (fmt) {
+ va_start(args, fmt);
+ vprintk(fmt, args);
+ va_end(args);
+ }

print_modules();
dump_stack();
@@ -361,6 +347,12 @@ void warn_slowpath(const char *file, int line, const char *fmt, ...)
add_taint(TAINT_WARN);
}
EXPORT_SYMBOL(warn_slowpath);
+
+void warn_on_slowpath(const char *file, int line)
+{
+ warn_slowpath(file, line, NULL);
+}
+EXPORT_SYMBOL(warn_on_slowpath);
#endif

#ifdef CONFIG_CC_STACKPROTECTOR
--
1.6.0.4


--
Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org


\
 
 \ /
  Last update: 2008-11-28 17:39    [W:0.049 / U:0.076 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site