lkml.org 
[lkml]   [2017]   [Nov]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH v2] tick/broadcast: Remove redundant code in tick_check_new_device()
There is no way a timer used as broadcast clockevent device is also used as
percpu tick clockevent device currently.

-v2: remove meaningless description suggested by tglx

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@oracle.com>
---
kernel/time/tick-common.c | 7 +------
1 files changed, 1 insertions(+), 6 deletions(-)

diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 49edc1c..9bcc866 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -320,13 +320,8 @@ void tick_check_new_device(struct clock_event_device *newdev)

/*
* Replace the eventually existing device by the new
- * device. If the current device is the broadcast device, do
- * not give it back to the clockevents layer !
+ * device.
*/
- if (tick_is_broadcast_device(curdev)) {
- clockevents_shutdown(curdev);
- curdev = NULL;
- }
clockevents_exchange_device(curdev, newdev);
tick_setup_device(td, newdev, cpu, cpumask_of(cpu));
if (newdev->features & CLOCK_EVT_FEAT_ONESHOT)
--
1.7.3
\
 
 \ /
  Last update: 2017-11-14 15:37    [W:0.026 / U:2.772 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site