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Message-ID: <ZcFPKaWwxJhgy8HQ@slm.duckdns.org>
Date: Mon, 5 Feb 2024 11:12:09 -1000
From: Tejun Heo <tj@...nel.org>
To: Allen <allen.lkml@...il.com>
Cc: torvalds@...ux-foundation.org, mpatocka@...hat.com,
linux-kernel@...r.kernel.org, dm-devel@...ts.linux.dev,
msnitzer@...hat.com, ignat@...udflare.com, damien.lemoal@....com,
bob.liu@...cle.com, houtao1@...wei.com, peterz@...radead.org,
mingo@...nel.org, netdev@...r.kernel.org, kernel-team@...a.com
Subject: Re: [PATCHSET wq/for-6.9] workqueue: Implement BH workqueue and
convert several tasklet users
Hello, Allen.
On Mon, Feb 05, 2024 at 12:50:28PM -0800, Allen wrote:
> Thank you. I am basing my work on the branch you have
> pushed.(or-6.9-bh-conversions)
> https://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git/log/?h=for-6.9-bh-conversions
>
> In the order of priority, I have started converting drivers/media/*,
> drivers/dma/* followed by drivers/net/*
> which constitutes the majority. Putting my plan out here so that the
> work is not duplicated.
> I will write back in a day and share the branch for review.
That's great. Thanks.
> W.r.t the conversion, there are drivers which call
> tasklet_[disable/enable](), which I suppose
> can be ignored in the case of workqueues, I am not entirely sure if
> this is the right approach.
> Please correct me if I am wrong.
I don't think we can ignore them. I was just looking at tasklet_kill() and
thought we're good because that seemed to map well to cancel_work_sync().
workqueue doesn't have the counterpart for tasklet_[disable/enable](). I'll
look through them and think on it.
Thanks.
--
tejun
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