From: Peter Zijlstra <peterz@infradead.org>
To: tj@kernel.org
Cc: linux-kernel@vger.kernel.org, peterz@infradead.org,
mingo@redhat.com, juri.lelli@redhat.com,
vincent.guittot@linaro.org, dietmar.eggemann@arm.com,
rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de,
vschneid@redhat.com, longman@redhat.com, hannes@cmpxchg.org,
mkoutny@suse.com, void@manifault.com, arighi@nvidia.com,
changwoo@igalia.com, cgroups@vger.kernel.org,
sched-ext@lists.linux.dev, liuwenfang@honor.com,
tglx@linutronix.de
Subject: [PATCH 02/14] sched: Re-arrange the {EN,DE}QUEUE flags
Date: Wed, 10 Sep 2025 17:44:11 +0200 [thread overview]
Message-ID: <20250910155808.536785976@infradead.org> (raw)
In-Reply-To: 20250910154409.446470175@infradead.org
Ensure the matched flags are in the low word while the unmatched flags
go into the second word.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
kernel/sched/sched.h | 45 ++++++++++++++++++++++++---------------------
1 file changed, 24 insertions(+), 21 deletions(-)
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -2337,27 +2337,30 @@ extern const u32 sched_prio_to_wmult[40
*
*/
-#define DEQUEUE_SLEEP 0x01 /* Matches ENQUEUE_WAKEUP */
-#define DEQUEUE_SAVE 0x02 /* Matches ENQUEUE_RESTORE */
-#define DEQUEUE_MOVE 0x04 /* Matches ENQUEUE_MOVE */
-#define DEQUEUE_NOCLOCK 0x08 /* Matches ENQUEUE_NOCLOCK */
-#define DEQUEUE_SPECIAL 0x10
-#define DEQUEUE_MIGRATING 0x100 /* Matches ENQUEUE_MIGRATING */
-#define DEQUEUE_DELAYED 0x200 /* Matches ENQUEUE_DELAYED */
-#define DEQUEUE_THROTTLE 0x800
-
-#define ENQUEUE_WAKEUP 0x01
-#define ENQUEUE_RESTORE 0x02
-#define ENQUEUE_MOVE 0x04
-#define ENQUEUE_NOCLOCK 0x08
-
-#define ENQUEUE_HEAD 0x10
-#define ENQUEUE_REPLENISH 0x20
-#define ENQUEUE_MIGRATED 0x40
-#define ENQUEUE_INITIAL 0x80
-#define ENQUEUE_MIGRATING 0x100
-#define ENQUEUE_DELAYED 0x200
-#define ENQUEUE_RQ_SELECTED 0x400
+#define DEQUEUE_SLEEP 0x0001 /* Matches ENQUEUE_WAKEUP */
+#define DEQUEUE_SAVE 0x0002 /* Matches ENQUEUE_RESTORE */
+#define DEQUEUE_MOVE 0x0004 /* Matches ENQUEUE_MOVE */
+#define DEQUEUE_NOCLOCK 0x0008 /* Matches ENQUEUE_NOCLOCK */
+
+#define DEQUEUE_MIGRATING 0x0010 /* Matches ENQUEUE_MIGRATING */
+#define DEQUEUE_DELAYED 0x0020 /* Matches ENQUEUE_DELAYED */
+
+#define DEQUEUE_SPECIAL 0x00010000
+#define DEQUEUE_THROTTLE 0x00020000
+
+#define ENQUEUE_WAKEUP 0x0001
+#define ENQUEUE_RESTORE 0x0002
+#define ENQUEUE_MOVE 0x0004
+#define ENQUEUE_NOCLOCK 0x0008
+
+#define ENQUEUE_MIGRATING 0x0010
+#define ENQUEUE_DELAYED 0x0020
+
+#define ENQUEUE_HEAD 0x00010000
+#define ENQUEUE_REPLENISH 0x00020000
+#define ENQUEUE_MIGRATED 0x00040000
+#define ENQUEUE_INITIAL 0x00080000
+#define ENQUEUE_RQ_SELECTED 0x00100000
#define RETRY_TASK ((void *)-1UL)
next prev parent reply other threads:[~2025-09-10 16:00 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-10 15:44 [PATCH 00/14] sched: Support shared runqueue locking Peter Zijlstra
2025-09-10 15:44 ` [PATCH 01/14] sched: Employ sched_change guards Peter Zijlstra
2025-09-11 9:06 ` K Prateek Nayak
2025-09-11 9:55 ` Peter Zijlstra
2025-09-11 10:10 ` Peter Zijlstra
2025-09-11 10:37 ` K Prateek Nayak
2025-10-06 15:21 ` Shrikanth Hegde
2025-10-06 18:14 ` Peter Zijlstra
2025-10-07 5:12 ` Shrikanth Hegde
2025-10-07 9:34 ` Peter Zijlstra
2025-09-10 15:44 ` Peter Zijlstra [this message]
2025-09-10 15:44 ` [PATCH 03/14] sched: Fold sched_class::switch{ing,ed}_{to,from}() into the change pattern Peter Zijlstra
2025-09-10 15:44 ` [PATCH 04/14] sched: Cleanup sched_delayed handling for class switches Peter Zijlstra
2025-09-10 15:44 ` [PATCH 05/14] sched: Move sched_class::prio_changed() into the change pattern Peter Zijlstra
2025-09-11 1:44 ` Tejun Heo
2025-09-10 15:44 ` [PATCH 06/14] sched: Fix migrate_disable_switch() locking Peter Zijlstra
2025-09-10 15:44 ` [PATCH 07/14] sched: Fix do_set_cpus_allowed() locking Peter Zijlstra
2025-10-30 0:12 ` Mark Brown
2025-10-30 9:07 ` Peter Zijlstra
2025-10-30 12:47 ` Mark Brown
2025-09-10 15:44 ` [PATCH 08/14] sched: Rename do_set_cpus_allowed() Peter Zijlstra
2025-09-10 15:44 ` [PATCH 09/14] sched: Make __do_set_cpus_allowed() use the sched_change pattern Peter Zijlstra
2025-09-10 15:44 ` [PATCH 10/14] sched: Add locking comments to sched_class methods Peter Zijlstra
2025-09-10 15:44 ` [PATCH 11/14] sched: Add flags to {put_prev,set_next}_task() methods Peter Zijlstra
2025-09-10 15:44 ` [PATCH 12/14] sched: Add shared runqueue locking to __task_rq_lock() Peter Zijlstra
2025-09-12 0:19 ` Tejun Heo
2025-09-12 11:54 ` Peter Zijlstra
2025-09-12 14:11 ` Peter Zijlstra
2025-09-12 17:56 ` Tejun Heo
2025-09-15 8:38 ` Peter Zijlstra
2025-09-16 22:29 ` Tejun Heo
2025-09-16 22:41 ` Tejun Heo
2025-09-25 8:35 ` Peter Zijlstra
2025-09-25 21:43 ` Tejun Heo
2025-09-26 9:59 ` Peter Zijlstra
2025-09-26 16:48 ` Tejun Heo
2025-09-26 10:36 ` Peter Zijlstra
2025-09-26 21:39 ` Tejun Heo
2025-09-29 10:06 ` Peter Zijlstra
2025-09-30 23:49 ` Tejun Heo
2025-10-01 11:54 ` Peter Zijlstra
2025-10-02 23:32 ` Tejun Heo
2025-09-10 15:44 ` [PATCH 13/14] sched: Add {DE,EN}QUEUE_LOCKED Peter Zijlstra
2025-09-11 2:01 ` Tejun Heo
2025-09-11 9:42 ` Peter Zijlstra
2025-09-11 20:40 ` Tejun Heo
2025-09-12 14:19 ` Peter Zijlstra
2025-09-12 16:32 ` Tejun Heo
2025-09-13 22:32 ` Tejun Heo
2025-09-15 8:48 ` Peter Zijlstra
2025-09-25 13:10 ` Peter Zijlstra
2025-09-25 15:40 ` Tejun Heo
2025-09-25 15:53 ` Peter Zijlstra
2025-09-25 18:44 ` Tejun Heo
2025-09-10 15:44 ` [PATCH 14/14] sched/ext: Implement p->srq_lock support Peter Zijlstra
2025-09-10 16:07 ` Peter Zijlstra
2025-09-10 17:32 ` [PATCH 00/14] sched: Support shared runqueue locking Andrea Righi
2025-09-10 18:19 ` Peter Zijlstra
2025-09-10 18:35 ` Peter Zijlstra
2025-09-10 19:00 ` Andrea Righi
2025-09-11 9:58 ` Peter Zijlstra
2025-09-11 14:51 ` Andrea Righi
2025-09-11 14:00 ` Peter Zijlstra
2025-09-11 14:30 ` Peter Zijlstra
2025-09-11 14:48 ` Andrea Righi
2025-09-18 15:15 ` Christian Loehle
2025-09-25 9:00 ` Peter Zijlstra
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