Sender: Tejun Heo <htejun@gmail.com>
Date:   Thu, 2 Feb 2023 11:52:46 -1000
From:   Tejun Heo <tj@kernel.org>
To:     Waiman Long <longman@redhat.com>
Cc:     Zefan Li <lizefan.x@bytedance.com>,
        Johannes Weiner <hannes@cmpxchg.org>,
        Will Deacon <will@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        linux-kernel@vger.kernel.org, cgroups@vger.kernel.org,
        kernel-team@android.com
Subject: Re: [PATCH v2 0/2] cgroup/cpuset: Make hotplug code more efficient
Message-ID: <Y9wwrvRDCspI6fhT@slm.duckdns.org>
References: <20230202143200.128753-1-longman@redhat.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20230202143200.128753-1-longman@redhat.com>
Precedence: bulk

On Thu, Feb 02, 2023 at 09:31:58AM -0500, Waiman Long wrote:
>  v2:
>   - It turns out it works around the v1 cpuset missing offline cpu
>     problem better than I originally thought. So the patch description
>     is updated accordingly.
> 
> This small patch series makes the cpuset hotplug a bit more efficient
> by eliminating unnecessary task iteration and cpu/node masks update
> when a cpu hotplug event (online/offline) happens.
> 
> It can also largely work around the known problem of missing previously
> offlined cpus in v1 cpuset with some exceptions.

Imma hold on these patches for now. Let's see how the regression fix goes
and revisit after the merge window.

Thanks.

-- 
tejun