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From: Hillf Danton <hdanton@sina.com>
To: Valentin Schneider <vschneid@redhat.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Lai Jiangshan <jiangshanlai@gmail.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Frederic Weisbecker <frederic@kernel.org>,
	Marcelo Tosatti <mtosatti@redhat.com>
Subject: Re: [PATCH v4 4/4] workqueue: Unbind workers before sending them to exit()
Date: Thu,  6 Oct 2022 10:07:25 +0800	[thread overview]
Message-ID: <20221006020725.1757-1-hdanton@sina.com> (raw)
In-Reply-To: <xhsmh7d1e2qp2.mognet@vschneid.remote.csb>

On 05 Oct 2022 17:14:17 +0100 Valentin Schneider <vschneid@redhat.com>
> 
> The proper interface to play with that cpumask is set_cpus_allowed_ptr(),
> which requires a sleepable context, hence the whole series.

Given "nohz_full is a gimmick that shouldn't be used outside of very specific
cases. Regular nohz otoh is used by everybody always." [1], I will take
another look at this series next week.

[1] https://lore.kernel.org/lkml/YzXGdEzkiw+5X8pC@hirez.programming.kicks-ass.net/


      reply	other threads:[~2022-10-06  2:07 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20221004150521.822266-1-vschneid@redhat.com>
     [not found] ` <20221004150521.822266-5-vschneid@redhat.com>
2022-10-05  1:08   ` Hillf Danton
2022-10-05 11:13     ` Valentin Schneider
2022-10-05 14:50       ` Hillf Danton
2022-10-05 16:14         ` Valentin Schneider
2022-10-06  2:07           ` Hillf Danton [this message]

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