linux-kernel - [PATCH] device.h: Add __cold to dev

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Date:   Sat, 02 Feb 2019 19:50:17 -0800
From:   Joe Perches <joe@...ches.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] device.h: Add __cold to dev_<level> logging functions

Add __cold to the dev_<level> logging functions similar to
the use of __cold in the generic printk function.

Using __cold moves all the dev_<level> logging functions
out-of-line possibly improving code locality and runtime
performance.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 include/linux/device.h | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/include/linux/device.h b/include/linux/device.h
index 5663003a95eb..df719f7fb5f0 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -1381,28 +1381,28 @@ void device_link_remove(void *consumer, struct device *supplier);
 
 #ifdef CONFIG_PRINTK
 
-__printf(3, 0)
+__printf(3, 0) __cold
 int dev_vprintk_emit(int level, const struct device *dev,
 		     const char *fmt, va_list args);
-__printf(3, 4)
+__printf(3, 4) __cold
 int dev_printk_emit(int level, const struct device *dev, const char *fmt, ...);
 
-__printf(3, 4)
+__printf(3, 4) __cold
 void dev_printk(const char *level, const struct device *dev,
 		const char *fmt, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
 void _dev_emerg(const struct device *dev, const char *fmt, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
 void _dev_alert(const struct device *dev, const char *fmt, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
 void _dev_crit(const struct device *dev, const char *fmt, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
 void _dev_err(const struct device *dev, const char *fmt, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
 void _dev_warn(const struct device *dev, const char *fmt, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
 void _dev_notice(const struct device *dev, const char *fmt, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
 void _dev_info(const struct device *dev, const char *fmt, ...);
 
 #else