Re: 回复: [PATCH v2] kthread_worker: re-set CPU affinities if CPU come online

From: Thomas Gleixner
Date: Wed Oct 28 2020 - 20:35:20 EST


Quiang,

On Wed, Oct 28 2020 at 08:45, Qiang Zhang wrote:
> ________________________________________
> 发件人: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> 发送时间: 2020年10月28日 16:30
> 收件人: Zhang, Qiang; pmladek@xxxxxxxx; tj@xxxxxxxxxx
> 抄送: akpm@xxxxxxxxxxxxxxxxxxxx; linux-mm@xxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> 主题: Re: [PATCH v2] kthread_worker: re-set CPU affinities if CPU come online

Can you please teach your mail client not to copy the mail headers into
the reply?

> [Please note this e-mail is from an EXTERNAL e-mail address]

And delete this non-information please.

> On Wed, Oct 28 2020 at 15:30, qiang zhang wrote:
>
>>How is that addressing any of the comments I made on V1 of this?
>
> Do you mean the following problem:
>
> "The dynamic hotplug states run late. What's preventing work to be queued
> on such a worker before it is bound to the CPU again?"

This is one problem, but there are more and I explained them in great
length. If there is anything unclear, then please ask.

Thanks,

tglx