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From: Joe Perches <joe@perches.com>
To: Julia Lawall <julia.lawall@inria.fr>
Cc: Greg KH <gregkh@linuxfoundation.org>,
	linux-kernel@vger.kernel.org,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Kees Cook <kees@kernel.org>,
	driver-core@lists.linux.dev,
	Nicolas Palix <nicolas.palix@imag.fr>,
	cocci@inria.fr
Subject: Re: [resend PATCH] coccinelle: Add devm_kmalloc_objs conversion script
Date: Sun, 01 Nov 2026 17:05:58 -0800	[thread overview]
Message-ID: <2556411d9bf65125cf5c1dfa37eb4454@perches.com> (raw)
In-Reply-To: <1a6026c4-3e19-a1a9-e637-f1842172482b@inria.fr>

On 2026-11-01 15:51, Julia Lawall wrote:
> On Sun, 1 Nov 2026, Joe Perches wrote:
> 
>> Like commit bdc5071d7f7b ("coccinelle: Add kmalloc_objs conversion 
>> script")
>> with commit 1c7bbaeed110 ("coccinelle: kmalloc_obj: Remove default 
>> GFP_KERNEL arg")
>> 
>> Finds and converts sized devm_kmalloc-family of allocations into the 
>> typed
>> devm_kmalloc_obj-family of allocations.
> 
> Applied
> 
>> 
>> Signed-off-by: Joe Perches <joe@perches.com>
>> ---
>> 
>> Maybe this might be useful to run and apply just prior to some -rc1
>> 
>> This script would change more than 8000 instances in more than
>> 5000 files in Linus' current master.
>> 
>> $ spatch -D patch --very-quiet --cocci-file 
>> ./scripts/coccinelle/api/devm_kmalloc_objs.cocci \
>>     --include-headers-for-types --all-includes --include-headers 
>> --keep-comments \
>>     -I ./arch/x86/include -I ./arch/x86/include/generated -I ./include 
>> \
>>     -I ./arch/x86/include/uapi -I ./arch/x86/include/generated/uapi -I 
>> ./include/uapi \
>>     -I ./include/generated/uapi --include 
>> ./include/linux/compiler-version.h \
>>     --include ./include/linux/kconfig.h .
> 
> I'm not sure that --include-headers-for-types is useful.  That is 
> useful
> when there is an expression metavariable that is required to have a
> particular type.  I don't see that here.  I also got around 5000 
> changes
> in Linus's current master without using that argument.  I didn't try 
> it,
> but I think --no-includes would thus be fine.  --include-headers will 
> get
> the changes in the header files.
> 
> If the --keep comments argument is useful, it could be added to the
> semantic patch, by putting #spatch --keep-comments at the top of the 
> file.

Ok. Whatever is appropriate.

I just copied the command line from the one that applied the commits 
above.

  reply	other threads:[~2026-11-02  1:06 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-01 10:35 Joe Perches
2026-11-01 23:51 ` Julia Lawall
2026-11-02  1:05   ` Joe Perches [this message]
2026-11-02  8:52   ` Kees Cook
2026-11-02  9:09     ` Julia Lawall

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