Add __sched to msleep() and msleep_interruptible() for avoiding to show
these functions in WCHAN. If a driver calls msleep() or msleep_interruptible()
in a lot of places, users cannot understand that the driver might sleep which
functions execute msleep() or msleep_interruptible(). So, by applying this
patch, users can confirm the function calling msleep() or msleep_interruptible()
from WCHAN.
Signed-off-by: Yoshihiro YUNOMAE <yoshihiro.yunomae...@hitachi.com>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: linux-kernel@vger.kernel.org
---
kernel/timer.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/timer.c b/kernel/timer.c
index 6582b82..cc1470f 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1660,7 +1660,7 @@ void __init init_timers(void)
* msleep - sleep safely even with waitqueue interruptions
* @msecs: Time in milliseconds to sleep for
*/
-void msleep(unsigned int msecs)
+void __sched msleep(unsigned int msecs)
{
unsigned long timeout = msecs_to_jiffies(msecs) + 1;
@@ -1674,7 +1674,7 @@ EXPORT_SYMBOL(msleep);
* msleep_interruptible - sleep waiting for signals
* @msecs: Time in milliseconds to sleep for
*/
-unsigned long msleep_interruptible(unsigned int msecs)
+unsigned long __sched msleep_interruptible(unsigned int msecs)
{
unsigned long timeout = msecs_to_jiffies(msecs) + 1;
--
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