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

From: Ruhl, Michael J
Date: Thu Jun 15 2023 - 11:15:56 EST


>-----Original Message-----
>From: Joe Perches <joe@xxxxxxxxxxx>
>Sent: Wednesday, June 14, 2023 9:47 PM
>To: Ruhl, Michael J <michael.j.ruhl@xxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx;
>apw@xxxxxxxxxxxxx; dwaipayanray1@xxxxxxxxx; lukas.bulwahn@xxxxxxxxx;
>corbet@xxxxxxx; david@xxxxxxxxxx
>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@xxxxxxxxx>
>> ---
>> 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",