linux-kernel - Re: [regression] cpuset: offlined CPUs removed from affinity masks

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Date:   Wed, 19 Feb 2020 10:52:02 -0500
From:   Tejun Heo <tj@...nel.org>
To:     Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc:     Li Zefan <lizefan@...wei.com>, cgroups <cgroups@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Valentin Schneider <valentin.schneider@....com>
Subject: Re: [regression] cpuset: offlined CPUs removed from affinity masks

On Wed, Feb 19, 2020 at 10:50:35AM -0500, Mathieu Desnoyers wrote:
> I can look into figuring out the commit introducing this issue, which I
> suspect will be close to the introduction of CONFIG_CPUSET into the
> kernel (which was ages ago). I'll check and let you know.

Oh, yeah, I'm pretty sure it goes way back. I don't think tracking
that down would be necessary. I was just wondering whether it was a
recent change because you said it was a regression.

-- 
tejun