From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] driver core: bus: move lock_class_key into dynamic structure
Date: Wed, 1 Feb 2023 20:03:08 +0100 [thread overview]
Message-ID: <Y9q3bH9xxxWWCfWn@kroah.com> (raw)
In-Reply-To: <CAJZ5v0h5=HRRQ9oEHEgm362WtPFGYkfQeQLh_g1V7qF2OiFgUg@mail.gmail.com>
On Wed, Feb 01, 2023 at 07:59:42PM +0100, Rafael J. Wysocki wrote:
> On Wed, Feb 1, 2023 at 9:33 AM Greg Kroah-Hartman
> <gregkh@linuxfoundation.org> wrote:
> >
> > Move the lock_class_key structure out of struct bus_type and into the
> > dynamic structure we create already for all bus_types registered with
> > the kernel. This saves on static space and removes one more writable
> > field in struct bus_type.
> >
> > In the future, the same field can be moved out of the struct class logic
> > because it shares this same private structure.
> >
> > Most everyone will never notice this change, as lockdep is not enabled
> > in real systems so no memory or logic changes are happening for them.
> >
> > Cc: "Rafael J. Wysocki" <rafael@kernel.org>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>
> This looks reasonable to me, so
>
> Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Thanks for the review.
prev parent reply other threads:[~2023-02-01 19:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-01 8:33 Greg Kroah-Hartman
2023-02-01 18:59 ` Rafael J. Wysocki
2023-02-01 19:03 ` Greg Kroah-Hartman [this message]
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