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Message-ID: <CAM_iQpU5Z_pZvwKSVBY6Ge8ADsTxsDh+2cvtoO+Oduqr9mXMQA@mail.gmail.com>
Date:   Mon, 8 Feb 2021 17:50:47 -0800
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     Taehee Yoo <ap420073@...il.com>
Cc:     David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        dsahern@...nel.org
Subject: Re: [PATCH net-next 0/8] mld: change context from atomic to sleepable

On Mon, Feb 8, 2021 at 9:50 AM Taehee Yoo <ap420073@...il.com> wrote:
>
> This patchset changes context of MLD module.
> Before this patch, MLD functions are atomic context so it couldn't use
> sleepable functions and flags.
> This patchset also contains other refactoring patches, which is to use
> list macro, etc.
>
> 1~3 and 5~7 are refactoring patches and 4 and 8 patches actually
> change context, which is the actual goal of this patchset.
> MLD module has used timer API. The timer expiration function is
> processed as the atomic context so in order to change context,
> it should be replaced.
> So, The fourth patch is to switch from timer to delayed_work.
> And the eighth patch is to use the mutex instead of spinlock and
> rwlock because A critical section of spinlock and rwlock is atomic.

Thanks for working on this.

A quick question: are those cleanup or refactoring patches necessary
for the main patch, that is patch 4? If not, please consider separating
patch 4 and patch 8 out, as they fix a bug so they are different from
the others.

Thanks!

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