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Message-ID: <20251015172834.567565394@linutronix.de>
Date: Wed, 15 Oct 2025 19:29:31 +0200 (CEST)
From: Thomas Gleixner <tglx@...utronix.de>
To: LKML <linux-kernel@...r.kernel.org>
Cc: Peter Zijlstra <peterz@...radead.org>,
Gabriele Monaco <gmonaco@...hat.com>,
Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
Michael Jeanson <mjeanson@...icios.com>,
Jens Axboe <axboe@...nel.dk>,
"Paul E. McKenney" <paulmck@...nel.org>,
"Gautham R. Shenoy" <gautham.shenoy@....com>,
Florian Weimer <fweimer@...hat.com>,
Tim Chen <tim.c.chen@...el.com>,
TCMalloc Team <tcmalloc-eng@...gle.com>
Subject: [patch 04/19] sched: Fixup whitespace damage
With whitespace checks enabled in the editor this makes eyes bleed.
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
kernel/sched/core.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5309,19 +5309,16 @@ context_switch(struct rq *rq, struct tas
*
* kernel -> user switch + mmdrop_lazy_tlb() active
* user -> user switch
- *
- * switch_mm_cid() needs to be updated if the barriers provided
- * by context_switch() are modified.
*/
- if (!next->mm) { // to kernel
+ if (!next->mm) { // to kernel
enter_lazy_tlb(prev->active_mm, next);
next->active_mm = prev->active_mm;
- if (prev->mm) // from user
+ if (prev->mm) // from user
mmgrab_lazy_tlb(prev->active_mm);
else
prev->active_mm = NULL;
- } else { // to user
+ } else { // to user
membarrier_switch_mm(rq, prev->active_mm, next->mm);
/*
* sys_membarrier() requires an smp_mb() between setting
@@ -5334,7 +5331,7 @@ context_switch(struct rq *rq, struct tas
switch_mm_irqs_off(prev->active_mm, next->mm, next);
lru_gen_use_mm(next->mm);
- if (!prev->mm) { // from kernel
+ if (!prev->mm) { // from kernel
/* will mmdrop_lazy_tlb() in finish_task_switch(). */
rq->prev_mm = prev->active_mm;
prev->active_mm = NULL;
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