Re: [PATCH v3 01/13] scripts: checkpatch: Add __aligned to the list of attribute notes

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On Thu, 2023-12-07 at 15:37 -0300, Marcelo Schmitt wrote:
> Checkpatch presumes attributes marked with __aligned(alignment) are part
> of a function declaration and throws a warning stating that those
> compiler attributes should have an identifier name which is not correct.
> Add __aligned compiler attributes to the list of attribute notes
> so they don't cause warnings anymore.
> 
> Signed-off-by: Marcelo Schmitt <marcelo.schmitt@xxxxxxxxxx>
> ---
> The patch that would trigger the mentioned checkpatch warning in this series is
> patch number 12 (iio: adc: Add support for AD7091R-8).
> 
>  scripts/checkpatch.pl | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 25fdb7fda112..e6773ae0ad08 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -512,6 +512,7 @@ our $Attribute	= qr{
>  			__ro_after_init|
>  			__kprobes|
>  			$InitAttribute|
> +			__aligned|

__aligned takes an argument so I think there needs
to have something like the use of __alloc_size below
this addition
	__alloc_size\s*\(\s*\d+\s*(?:,\s*\d+\s*)?\)

maybe

			__aligned\s*\([^\)]*\)

though even that would work well with most uses it
would not work with things like

drivers/crypto/inside-secure/safexcel_hash.c:   u8 cache[HASH_CACHE_SIZE] __aligned(sizeof(u32));






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