linux-kernel - [PATCH] acpi: glue: Update DBG macro to include KERN

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Message-Id: <95d86788536a6f095f261c051249ebd4f0e30a87.1355812070.git.joe@perches.com>
Date:	Mon, 17 Dec 2012 22:31:30 -0800
From:	Joe Perches <joe@...ches.com>
To:	Youquan Song <youquan.song@...el.com>, Len Brown <lenb@...nel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] acpi: glue: Update DBG macro to include KERN_DEBUG

Currently these DBG statements are emitted at KERN_DEFAULT.
Change the macro to emit at KERN_DEBUG.

This can help avoid unexpected message interleaving.

Signed-off-by: Joe Perches <joe@...ches.com>
---

Another way to fix this message interleaving...

 drivers/acpi/glue.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 0155184..95af6f6 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -18,9 +18,14 @@
 
 #define ACPI_GLUE_DEBUG	0
 #if ACPI_GLUE_DEBUG
-#define DBG(x...) printk(PREFIX x)
+#define DBG(fmt, ...)						\
+	printk(KERN_DEBUG PREFIX fmt, ##__VA_ARGS__)
 #else
-#define DBG(x...) do { } while(0)
+#define DBG(fmt, ...)						\
+do {								\
+	if (0)							\
+		printk(KERN_DEBUG PREFIX fmt, ##__VA_ARGS__);	\
+} while (0)
 #endif
 static LIST_HEAD(bus_type_list);
 static DECLARE_RWSEM(bus_type_sem);
-- 
1.7.8.112.g3fd21

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