linux-kernel - RE: [PATCH] checkpatch: Include GEM_BUG_xxx variant in the excluded check list

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Message-ID: <IA1PR11MB641820FC52D35D1CECE6830DC15BA@IA1PR11MB6418.namprd11.prod.outlook.com>
Date:   Thu, 15 Jun 2023 15:04:43 +0000
From:   "Ruhl, Michael J" <michael.j.ruhl@...el.com>
To:     Joe Perches <joe@...ches.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "apw@...onical.com" <apw@...onical.com>,
        "dwaipayanray1@...il.com" <dwaipayanray1@...il.com>,
        "lukas.bulwahn@...il.com" <lukas.bulwahn@...il.com>,
        "corbet@....net" <corbet@....net>,
        "david@...hat.com" <david@...hat.com>
Subject: RE: [PATCH] checkpatch: Include GEM_BUG_xxx variant in the excluded
 check list

>-----Original Message-----
>From: Joe Perches <joe@...ches.com>
>Sent: Wednesday, June 14, 2023 9:47 PM
>To: Ruhl, Michael J <michael.j.ruhl@...el.com>; linux-kernel@...r.kernel.org;
>apw@...onical.com; dwaipayanray1@...il.com; lukas.bulwahn@...il.com;
>corbet@....net; david@...hat.com
>Subject: Re: [PATCH] checkpatch: Include GEM_BUG_xxx variant in the
>excluded check list
>
>On Wed, 2023-06-14 at 12:49 -0400, Michael J. Ruhl wrote:
>> GEM_BUG_ON is usually compiled as WARN.  You have to change to
>> debug configuration to get this to be BUG.
>>
>> checkpatch flags this a WARN level issue.
>>
>> Since this is a i915 local debug macro, allow its use in checkpatch.pl.
>>
>> Fixes: 69d517e6e210 ("checkpatch: warn on usage of VM_BUG_ON() and
>other BUG variants")
>
>Not a "Fixes", just an additional check

That makes sense.

Do I need to resubmit without the Fixes?

Thanks,

M

>>
>> Signed-off-by: Michael J. Ruhl <michael.j.ruhl@...el.com>
>> ---
>>  scripts/checkpatch.pl | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
>> index b30114d637c4..d3ddde4cd63e 100755
>> --- a/scripts/checkpatch.pl
>> +++ b/scripts/checkpatch.pl
>> @@ -4821,7 +4821,7 @@ sub process {
>>  		}
>>
>>  # do not use BUG() or variants
>> -		if ($line =~
>/\b(?!AA_|BUILD_|DCCP_|IDA_|KVM_|RWLOCK_|snd_|SPIN_)(?:[a-zA-
>Z_]*_)?BUG(?:_ON)?(?:_[A-Z_]+)?\s*\(/) {
>> +		if ($line =~
>/\b(?!AA_|BUILD_|DCCP_|GEM_|IDA_|KVM_|RWLOCK_|snd_|SPIN_)(?:[a
>-zA-Z_]*_)?BUG(?:_ON)?(?:_[A-Z_]+)?\s*\(/) {
>>  			my $msg_level = \&WARN;
>>  			$msg_level = \&CHK if ($file);
>>  			&{$msg_level}("AVOID_BUG",