linux-kernel - Re: [PATCH] workqueue: make wq

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Message-ID: <2024020813-wool-haste-fe6d@gregkh>
Date: Thu, 8 Feb 2024 10:10:56 +0000
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Tejun Heo <tj@...nel.org>
Cc: "Ricardo B. Marliere" <ricardo@...liere.net>,
	Lai Jiangshan <jiangshanlai@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] workqueue: make wq_subsys const

On Wed, Feb 07, 2024 at 06:34:27AM -1000, Tejun Heo wrote:
> On Wed, Feb 07, 2024 at 10:12:34AM +0000, Greg Kroah-Hartman wrote:
> > On Tue, Feb 06, 2024 at 03:05:06PM -0300, Ricardo B. Marliere wrote:
> > > Now that the driver core can properly handle constant struct bus_type,
> > > move the wq_subsys variable to be a constant structure as well,
> > > placing it into read-only memory which can not be modified at runtime.
> > > 
> > > Suggested-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > > Signed-off-by: Ricardo B. Marliere <ricardo@...liere.net>
> > > ---
> > > The maintainer asked [1] for this patch to be received through the
> > > driver-core tree.
> > > [1]: https://lore.kernel.org/all/ZcEeOueCbrltxr_b@slm.duckdns.org/
> > 
> > There is no cross-tree dependency at all, but hey, I'll take it, no
> > worries...
> 
> Ah, my bad. I branched out wq/for-6.9 before rc1 and was assuming the
> dependent commit was still in the driver core branch. I should have just
> pulled linus#master.

The dependent changes are in 6.4, so before -rc1 would have been ok as
well :)

> That said, that patch going through driver-core should still be fine.

Great, will do that, thanks!

greg k-jh