linux-kernel - [tip: timers/core] tick: Use tick_check_replacement() instead of open coding it

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Date:   Fri, 16 Apr 2021 19:07:56 -0000
From:   "tip-bot2 for Wang Wensheng" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Wang Wensheng <wangwensheng4@...wei.com>,
        Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: timers/core] tick: Use tick_check_replacement() instead of open
 coding it

The following commit has been merged into the timers/core branch of tip:

Commit-ID:     d7840aaadd6e84915866a8f0dab586f6107dadf1
Gitweb:        https://git.kernel.org/tip/d7840aaadd6e84915866a8f0dab586f6107dadf1
Author:        Wang Wensheng <wangwensheng4@...wei.com>
AuthorDate:    Fri, 26 Mar 2021 02:23:28 
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Fri, 16 Apr 2021 21:03:50 +02:00

tick: Use tick_check_replacement() instead of open coding it

The function tick_check_replacement() is the combination of
tick_check_percpu() and tick_check_preferred(), but tick_check_new_device()
has the same logic open coded.

Use the helper to simplify the code.

[ tglx: Massage changelog ]

Signed-off-by: Wang Wensheng <wangwensheng4@...wei.com>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lore.kernel.org/r/20210326022328.3266-1-wangwensheng4@huawei.com

---
 kernel/time/tick-common.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 9d3a225..e15bc0e 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -348,12 +348,7 @@ void tick_check_new_device(struct clock_event_device *newdev)
 	td = &per_cpu(tick_cpu_device, cpu);
 	curdev = td->evtdev;
 
-	/* cpu local device ? */
-	if (!tick_check_percpu(curdev, newdev, cpu))
-		goto out_bc;
-
-	/* Preference decision */
-	if (!tick_check_preferred(curdev, newdev))
+	if (!tick_check_replacement(curdev, newdev))
 		goto out_bc;
 
 	if (!try_module_get(newdev->owner))