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Date:   Thu, 22 Sep 2022 10:45:31 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Waiman Long <longman@redhat.com>
Cc:     Ingo Molnar <mingo@redhat.com>, 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>,
        Daniel Bristot de Oliveira <bristot@redhat.com>,
        Valentin Schneider <vschneid@redhat.com>,
        Tejun Heo <tj@kernel.org>, Zefan Li <lizefan.x@bytedance.com>,
        Johannes Weiner <hannes@cmpxchg.org>,
        Will Deacon <will@kernel.org>, linux-kernel@vger.kernel.org,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Lai Jiangshan <jiangshanlai@gmail.com>
Subject: Re: [PATCH v9 0/7] sched: Persistent user requested affinity
Message-ID: <Yywgq+NUZH+JuJpF@hirez.programming.kicks-ass.net>
References: <20220916183217.1172225-1-longman@redhat.com>
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On Fri, Sep 16, 2022 at 02:32:10PM -0400, Waiman Long wrote:

> Waiman Long (7):
>   sched: Add __releases annotations to affine_move_task()
>   sched: Use user_cpus_ptr for saving user provided cpumask in
>     sched_setaffinity()
>   sched: Enforce user requested affinity
>   sched: Introduce affinity_context structure
>   sched: Handle set_cpus_allowed_ptr() & sched_setaffinity() race
>   sched: Fix sched_setaffinity() and fork/clone() race
>   sched: Always clear user_cpus_ptr in do_set_cpus_allowed()

I still think this is ordered all wrong. Esp. with that affinity context
doing the right thing isn't onerous at all.

So please, re-order this and fold all fixes back in so that it becomes
a sane series. Basically patches 5 and 6 shouldn't exist, they fix
issues created by the earlier patches.