From: Tejun Heo <tj@kernel.org>
To: Andrea Righi <arighi@nvidia.com>
Cc: David Vernet <void@manifault.com>,
Changwoo Min <changwoo@igalia.com>,
John Stultz <jstultz@google.com>, Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
Valentin Schneider <vschneid@redhat.com>,
K Prateek Nayak <kprateek.nayak@amd.com>,
Christian Loehle <christian.loehle@arm.com>,
David Dai <david.dai@linux.dev>, Koba Ko <kobak@nvidia.com>,
Aiqun Yu <aiqun.yu@oss.qualcomm.com>,
Shuah Khan <shuah@kernel.org>,
Emil Tsalapatis <emil@etsalapatis.com>,
sched-ext@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 05/12] sched_ext: Fix ops.running/stopping() pairing for proxy-exec donors
Date: Wed, 22 Jul 2026 13:26:03 -1000 [thread overview]
Message-ID: <636d9a310fb5869765f59abed982befc@kernel.org> (raw)
In-Reply-To: <20260721063242.552774-6-arighi@nvidia.com>
Hello, Andrea.
On Tue, Jul 21, 2026 at 08:31:26AM +0200, Andrea Righi wrote:
> SCX_TASK_SUB_INIT = 1 << 4, /* task being initialized for a sub sched */
> SCX_TASK_IMMED = 1 << 5, /* task is on local DSQ with %SCX_ENQ_IMMED */
>
> + SCX_TASK_RUN_TRACKED = 1 << 6, /* task is in an ops.running()/stopping() session */
> +
> /*
> * Bits 8 to 10 are used to carry task state:
Please drop the blank line above the new entry.
> + if (task_current(rq, p) &&
> + (p->scx.flags & SCX_TASK_RUN_TRACKED)) {
The condition fits on one line, ditto the one in put_prev_task_scx().
Thanks.
--
tejun
next prev parent reply other threads:[~2026-07-22 23:35 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-21 6:31 [PATCHSET v8 sched_ext/for-7.3] sched: Make proxy execution compatible with sched_ext Andrea Righi
2026-07-21 6:31 ` [PATCH 01/12] sched/core: Avoid false migration warning for proxy donors Andrea Righi
2026-07-21 7:00 ` John Stultz
2026-07-21 7:34 ` Andrea Righi
2026-07-21 6:31 ` [PATCH 02/12] sched: Make NOHZ CFS bandwidth checks follow proxy donor Andrea Righi
2026-07-21 6:31 ` [PATCH 03/12] sched: Add helper to block retained proxy donors Andrea Righi
2026-07-21 7:02 ` John Stultz
2026-07-21 6:31 ` [PATCH 04/12] sched_ext: Block proxy donors across scheduler transitions Andrea Righi
2026-07-22 23:26 ` Tejun Heo
2026-07-21 6:31 ` [PATCH 05/12] sched_ext: Fix ops.running/stopping() pairing for proxy-exec donors Andrea Righi
2026-07-22 23:26 ` Tejun Heo [this message]
2026-07-21 6:31 ` [PATCH 06/12] sched_ext: Fix proxy-exec race in consume_remote_task() Andrea Righi
2026-07-21 7:09 ` John Stultz
2026-07-22 23:26 ` Tejun Heo
2026-07-21 6:31 ` [PATCH 07/12] sched_ext: Split curr|donor references properly Andrea Righi
2026-07-21 6:31 ` [PATCH 08/12] sched_ext: Handle blocked donor migration with proxy execution Andrea Righi
2026-07-21 6:31 ` [PATCH 09/12] sched_ext: Delegate proxy donor admission to BPF schedulers Andrea Righi
2026-07-22 23:26 ` Tejun Heo
2026-07-21 6:31 ` [PATCH 10/12] sched_ext: Add selftest for blocked donor admission Andrea Righi
2026-07-21 6:31 ` [PATCH 11/12] sched_ext: scx_qmap: Add proxy execution support Andrea Righi
2026-07-21 6:31 ` [PATCH 12/12] sched: Allow enabling proxy exec with sched_ext Andrea Righi
2026-07-21 7:05 ` John Stultz
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