netdev - [PATCH RDS v1] rds: debug messages are enabled by default

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Date:   Thu, 27 Oct 2016 05:46:38 -0400
From:   shamir.rabinovitch@...cle.com
To:     netdev@...r.kernel.org
Cc:     shamir.rabinovitch@...cle.com, santosh.shilimkar@...cle.com,
        davem@...emloft.net
Subject: [PATCH RDS v1] rds: debug messages are enabled by default

From: shamir rabinovitch <shamir.rabinovitch@...cle.com>

rds use Kconfig option called "RDS_DEBUG" to enable rds debug messages.
This option cause the rds Makefile to add -DDEBUG to the rds gcc command
line.

When CONFIG_DYNAMIC_DEBUG is enabled, the "DEBUG" macro is used by
include/linux/dynamic_debug.h to decide if dynamic debug prints should
be sent by default to the kernel log.

rds should not enable this macro for production builds. rds dynamic
debug work as expected follow this fix.

Signed-off-by: Shamir Rabinovitch <shamir.rabinovitch@...cle.com>
---
 net/rds/Makefile |    2 +-
 net/rds/rds.h    |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/rds/Makefile b/net/rds/Makefile
index 0e72bec..56c7d27 100644
--- a/net/rds/Makefile
+++ b/net/rds/Makefile
@@ -13,5 +13,5 @@ obj-$(CONFIG_RDS_TCP) += rds_tcp.o
 rds_tcp-y :=		tcp.o tcp_connect.o tcp_listen.o tcp_recv.o \
 			tcp_send.o tcp_stats.o
 
-ccflags-$(CONFIG_RDS_DEBUG)	:=	-DDEBUG
+ccflags-$(CONFIG_RDS_DEBUG)	:=	-DRDS_DEBUG
 
diff --git a/net/rds/rds.h b/net/rds/rds.h
index 25532a4..4121e18 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -33,7 +33,7 @@
 #define KERNEL_HAS_ATOMIC64
 #endif
 
-#ifdef DEBUG
+#ifdef RDS_DEBUG
 #define rdsdebug(fmt, args...) pr_debug("%s(): " fmt, __func__ , ##args)
 #else
 /* sigh, pr_debug() causes unused variable warnings */
-- 
1.7.1