linux-kernel - [tip: timers/nohz] tick/nohz: Remove superflous check for CONFIG_VIRT_CPU_ACCOUNTING

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Message-ID: <162091184904.29796.4999933388579094630.tip-bot2@tip-bot2>
Date:   Thu, 13 May 2021 13:17:29 -0000
From:   "tip-bot2 for Frederic Weisbecker" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Frederic Weisbecker <frederic@...nel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: timers/nohz] tick/nohz: Remove superflous check for
 CONFIG_VIRT_CPU_ACCOUNTING_NATIVE

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

Commit-ID:     3f624314b3f7c580aa5844a8930befd71e2a287c
Gitweb:        https://git.kernel.org/tip/3f624314b3f7c580aa5844a8930befd71e2a287c
Author:        Frederic Weisbecker <frederic@...nel.org>
AuthorDate:    Thu, 13 May 2021 01:29:17 +02:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Thu, 13 May 2021 14:21:21 +02:00

tick/nohz: Remove superflous check for CONFIG_VIRT_CPU_ACCOUNTING_NATIVE

The vtime_accounting_enabled_this_cpu() early check already makes what
follows as dead code in the case of CONFIG_VIRT_CPU_ACCOUNTING_NATIVE.
No need to keep the ifdeferry around.

Signed-off-by: Frederic Weisbecker <frederic@...nel.org>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Acked-by: Peter Zijlstra <peterz@...radead.org>
Link: https://lore.kernel.org/r/20210512232924.150322-4-frederic@kernel.org
---
 kernel/time/tick-sched.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 05c1ce1..1afa759 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -1196,7 +1196,6 @@ unsigned long tick_nohz_get_idle_calls(void)
 
 static void tick_nohz_account_idle_ticks(struct tick_sched *ts)
 {
-#ifndef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
 	unsigned long ticks;
 
 	if (vtime_accounting_enabled_this_cpu())
@@ -1212,7 +1211,6 @@ static void tick_nohz_account_idle_ticks(struct tick_sched *ts)
 	 */
 	if (ticks && ticks < LONG_MAX)
 		account_idle_ticks(ticks);
-#endif
 }
 
 void tick_nohz_idle_restart_tick(void)