From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
Gabriele Monaco <gmonaco@redhat.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Michael Jeanson <mjeanson@efficios.com>,
Jens Axboe <axboe@kernel.dk>,
"Paul E. McKenney" <paulmck@kernel.org>,
"Gautham R. Shenoy" <gautham.shenoy@amd.com>,
Florian Weimer <fweimer@redhat.com>,
Tim Chen <tim.c.chen@intel.com>,
TCMalloc Team <tcmalloc-eng@google.com>
Subject: [patch 04/19] sched: Fixup whitespace damage
Date: Wed, 15 Oct 2025 19:29:31 +0200 (CEST) [thread overview]
Message-ID: <20251015172834.567565394@linutronix.de> (raw)
In-Reply-To: <20251015164952.694882104@linutronix.de>
With whitespace checks enabled in the editor this makes eyes bleed.
Signed-off-by: Thomas Gleixner <tglx@linutronix.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;
next prev parent reply other threads:[~2025-10-15 17:29 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-15 17:29 [patch 00/19] sched: Rewrite MM CID management Thomas Gleixner
2025-10-15 17:29 ` [patch 01/19] sched/mmcid: Revert the complex " Thomas Gleixner
2025-10-15 17:29 ` [patch 02/19] sched/mmcid: Use proper data structures Thomas Gleixner
2025-10-15 17:29 ` [patch 03/19] sched/mmcid: Cacheline align MM CID storage Thomas Gleixner
2025-10-15 17:29 ` Thomas Gleixner [this message]
2025-10-15 17:29 ` [patch 05/19] sched/mmcid: Move scheduler code out of global header Thomas Gleixner
2025-10-15 17:29 ` [patch 06/19] sched/mmcid: Prevent pointless work in mm_update_cpus_allowed() Thomas Gleixner
2025-10-17 11:12 ` Peter Zijlstra
2025-10-17 12:49 ` Thomas Gleixner
2025-10-17 17:58 ` Peter Zijlstra
2025-10-17 18:19 ` Peter Zijlstra
2025-10-19 20:32 ` Thomas Gleixner
2025-10-20 8:22 ` Peter Zijlstra
2025-10-21 18:25 ` Thomas Gleixner
2025-10-15 17:29 ` [patch 07/19] cpumask: Introduce cpumask_or_weight() Thomas Gleixner
2025-10-15 17:41 ` Yury Norov
2025-10-15 18:06 ` Yury Norov
2025-10-21 20:21 ` Thomas Gleixner
2025-10-21 19:34 ` Thomas Gleixner
2025-10-15 17:29 ` [patch 08/19] sched/mmcid: Use cpumask_or_weight() Thomas Gleixner
2025-10-15 17:29 ` [patch 09/19] sched/mmcid: Convert mm CID mask to a bitmap Thomas Gleixner
2025-10-15 17:29 ` [patch 10/19] signal: Move MMCID exit out of sighand lock Thomas Gleixner
2025-10-15 17:29 ` [patch 11/19] sched/mmcid: Move initialization out of line Thomas Gleixner
2025-10-15 17:29 ` [patch 12/19] sched/mmcid: Provide precomputed maximal value Thomas Gleixner
2025-10-15 17:29 ` [patch 13/19] sched/mmcid: Serialize sched_mm_cid_fork()/exit() with a mutex Thomas Gleixner
2025-10-15 17:29 ` [patch 14/19] sched/mmcid: Introduce per task/CPU ownership infrastrcuture Thomas Gleixner
2025-10-15 17:29 ` [patch 15/19] sched/mmcid: Provide new scheduler CID mechanism Thomas Gleixner
2025-10-15 17:29 ` [patch 16/19] sched/mmcid: Provide CID ownership mode fixup functions Thomas Gleixner
2025-10-20 6:34 ` Thomas Gleixner
2025-10-20 9:13 ` Peter Zijlstra
2025-10-20 9:16 ` Peter Zijlstra
2025-10-20 9:27 ` Peter Zijlstra
2025-10-21 18:27 ` Thomas Gleixner
2025-10-15 17:29 ` [patch 17/19] irqwork: Move data struct to a types header Thomas Gleixner
2025-10-15 17:29 ` [patch 18/19] sched/mmcid: Implement deferred mode change Thomas Gleixner
2025-10-15 17:30 ` [patch 19/19] sched/mmcid: Switch over to the new mechanism Thomas Gleixner
2025-10-17 7:09 ` [patch 00/19] sched: Rewrite MM CID management Thomas Gleixner
2025-10-17 11:31 ` Florian Weimer
2025-10-17 12:56 ` Thomas Gleixner
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