From: Greg KH <gregkh@linuxfoundation.org>
To: Vincenzo Mezzela <vincenzo.mezzela@gmail.com>
Cc: sudeep.holla@arm.com, javier.carrasco.cruz@gmail.com,
julia.lawall@inria.fr, linux-kernel@vger.kernel.org,
rafael@kernel.org, skhan@linuxfoundation.org
Subject: Re: [PATCH 2/2 v3] drivers: use __free attribute instead of of_node_put()
Date: Wed, 1 May 2024 15:06:19 +0200 [thread overview]
Message-ID: <2024050148-dutiful-unsubtle-dbb1@gregkh> (raw)
In-Reply-To: <673df61a-e0f5-450b-8fb4-746bc950e3d1@gmail.com>
On Wed, May 01, 2024 at 02:33:39PM +0200, Vincenzo Mezzela wrote:
> On 01/05/24 12:48, Greg KH wrote:
> > On Wed, May 01, 2024 at 11:43:13AM +0200, Vincenzo Mezzela wrote:
> > > Introduce the __free attribute for scope-based resource management.
> > > Resources allocated with __free are automatically released at the end of
> > > the scope. This enhancement aims to mitigate memory management issues
> > > associated with forgetting to release resources by utilizing __free
> > > instead of of_node_put().
> > >
> > > The declaration of the device_node used within the do-while loops is
> > > moved directly within the loop so that the resource is automatically
> > > freed at the end of each iteration.
> > >
> > > Suggested-by: Julia Lawall <julia.lawall@inria.fr>
> > > Signed-off-by: Vincenzo Mezzela <vincenzo.mezzela@gmail.com>
> > > ---
> > > drivers/base/arch_topology.c | 51 +++++++++++++++---------------------
> > > 1 file changed, 21 insertions(+), 30 deletions(-)
> > How was all of this tested?
> >
> > thanks,
> >
> > greg k-h
>
> Hi,
>
> I just cross-compiled it for RISC-V to enable the config
> GENERIC_ARCH_TOPOLOGY
> and include arch_topology.c as well.
Cross-compile is nice, how about running it?
> Do you have any suggestion to trigger the affected code and perform some
> testing?
That is up to you to determine if you wish to modify it :)
thanks,
greg k-h
next prev parent reply other threads:[~2024-05-01 13:06 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-19 13:19 [PATCH] drivers: use __free attribute instead of of_node_put() Vincenzo Mezzela
2024-04-19 14:01 ` Sudeep Holla
2024-04-22 8:27 ` Vincenzo Mezzela
2024-04-22 13:09 ` [PATCH v2] " Vincenzo Mezzela
2024-04-24 10:37 ` Sudeep Holla
2024-04-24 12:42 ` Vincenzo Mezzela
2024-04-24 12:54 ` Sudeep Holla
2024-05-01 9:43 ` [PATCH 0/2 v3] drivers: introduce automatic cleanup feature Vincenzo Mezzela
2024-05-01 9:43 ` [PATCH 1/2 v3] drivers: reorganize do-while loops Vincenzo Mezzela
2024-05-01 11:04 ` Sudeep Holla
2024-05-01 9:43 ` [PATCH 2/2 v3] drivers: use __free attribute instead of of_node_put() Vincenzo Mezzela
2024-05-01 10:48 ` Greg KH
2024-05-01 12:33 ` Vincenzo Mezzela
2024-05-01 13:06 ` Greg KH [this message]
2024-05-06 15:30 ` Vincenzo Mezzela
2024-05-07 10:32 ` Sudeep Holla
2024-05-01 11:08 ` Sudeep Holla
2024-05-01 11:56 ` Julia Lawall
2024-05-01 13:19 ` [PATCH 0/2 v3] drivers: introduce automatic cleanup feature Conor Dooley
2024-05-13 8:13 ` [PATCH 0/2 v4] drivers: arch_topology: " Vincenzo Mezzela
2024-05-13 8:13 ` [PATCH 1/2 v4] drivers: arch_topology: Refactor do-while loops Vincenzo Mezzela
2024-05-13 8:13 ` [PATCH 2/2 v4] drivers: arch_topology: use __free attribute instead of of_node_put() Vincenzo Mezzela
2024-05-13 10:02 ` [PATCH 0/2 v4] drivers: arch_topology: introduce automatic cleanup feature Sudeep Holla
2024-05-14 7:14 ` Vincenzo Mezzela
2024-05-28 8:23 ` Vincenzo Mezzela
2024-06-03 8:45 ` Sudeep Holla
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