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>,
Yury Norov <yury.norov@gmail.com>
Subject: [patch V2 04/20] sched: Fixup whitespace damage
Date: Wed, 22 Oct 2025 14:55:24 +0200 (CEST) [thread overview]
Message-ID: <20251022110555.648851773@linutronix.de> (raw)
In-Reply-To: <20251022104005.907410538@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
@@ -5277,19 +5277,16 @@ 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
@@ -5302,7 +5299,7 @@ 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:[~2025-10-22 12:55 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-22 12:55 [patch V2 00/20] sched: Rewrite MM CID management Thomas Gleixner
2025-10-22 12:55 ` [patch V2 01/20] sched/mmcid: Revert the complex " Thomas Gleixner
2025-10-22 12:55 ` [patch V2 02/20] sched/mmcid: Use proper data structures Thomas Gleixner
2025-10-22 12:55 ` [patch V2 03/20] sched/mmcid: Cacheline align MM CID storage Thomas Gleixner
2025-10-22 12:55 ` Thomas Gleixner [this message]
2025-10-22 12:55 ` [patch V2 05/20] sched/mmcid: Move scheduler code out of global header Thomas Gleixner
2025-10-22 12:55 ` [patch V2 06/20] sched/mmcid: Prevent pointless work in mm_update_cpus_allowed() Thomas Gleixner
2025-10-22 12:55 ` [patch V2 07/20] cpumask: Introduce cpumask_or_and_calc_weight() Thomas Gleixner
2025-10-23 16:37 ` Yury Norov
2025-10-22 12:55 ` [patch V2 08/20] sched/mmcid: Use cpumask_or_and_calc_weight() Thomas Gleixner
2025-10-23 16:45 ` Yury Norov
2025-10-22 12:55 ` [patch V2 09/20] cpumask: Cache num_possible_cpus() Thomas Gleixner
2025-10-23 16:25 ` Yury Norov
2025-10-22 12:55 ` [patch V2 10/20] sched/mmcid: Convert mm CID mask to a bitmap Thomas Gleixner
2025-10-23 16:46 ` Yury Norov
2025-10-27 5:45 ` Shrikanth Hegde
2025-10-27 8:57 ` Thomas Gleixner
2025-10-22 12:55 ` [patch V2 11/20] signal: Move MMCID exit out of sighand lock Thomas Gleixner
2025-10-22 12:55 ` [patch V2 12/20] sched/mmcid: Move initialization out of line Thomas Gleixner
2025-10-22 12:55 ` [patch V2 13/20] sched/mmcid: Provide precomputed maximal value Thomas Gleixner
2025-10-22 12:55 ` [patch V2 14/20] sched/mmcid: Serialize sched_mm_cid_fork()/exit() with a mutex Thomas Gleixner
2025-10-22 12:55 ` [patch V2 15/20] sched/mmcid: Introduce per task/CPU ownership infrastrcuture Thomas Gleixner
2025-10-22 12:55 ` [patch V2 16/20] sched/mmcid: Provide new scheduler CID mechanism Thomas Gleixner
2025-10-27 5:11 ` Shrikanth Hegde
2025-10-27 8:54 ` Thomas Gleixner
2025-10-22 12:55 ` [patch V2 17/20] sched/mmcid: Provide CID ownership mode fixup functions Thomas Gleixner
2025-10-22 12:55 ` [patch V2 18/20] irqwork: Move data struct to a types header Thomas Gleixner
2025-10-22 12:55 ` [patch V2 19/20] sched/mmcid: Implement deferred mode change Thomas Gleixner
2025-10-22 12:55 ` [patch V2 20/20] sched/mmcid: Switch over to the new mechanism Thomas Gleixner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20251022110555.648851773@linutronix.de \
--to=tglx@linutronix.de \
--cc=axboe@kernel.dk \
--cc=fweimer@redhat.com \
--cc=gautham.shenoy@amd.com \
--cc=gmonaco@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mathieu.desnoyers@efficios.com \
--cc=mjeanson@efficios.com \
--cc=paulmck@kernel.org \
--cc=peterz@infradead.org \
--cc=tim.c.chen@intel.com \
--cc=yury.norov@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®