netdev - RE: [Intel-wired-lan] [PATCH v3 06/30] docs: kdoc_parser: use NestedMatch to handle __attribute_

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Message-ID: <IA3PR11MB89860EE07AD64FD0E8568A37E59EA@IA3PR11MB8986.namprd11.prod.outlook.com>
Date: Thu, 29 Jan 2026 10:27:42 +0000
From: "Loktionov, Aleksandr" <aleksandr.loktionov@...el.com>
To: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>, Jonathan Corbet
	<corbet@....net>, Linux Doc Mailing List <linux-doc@...r.kernel.org>
CC: "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
	"intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
	"linux-hardening@...r.kernel.org" <linux-hardening@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>, Mauro Carvalho Chehab
	<mchehab@...nel.org>, Randy Dunlap <rdunlap@...radead.org>
Subject: RE: [Intel-wired-lan] [PATCH v3 06/30] docs: kdoc_parser: use
 NestedMatch to handle __attribute__ on functions



> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf
> Of Mauro Carvalho Chehab
> Sent: Thursday, January 29, 2026 9:08 AM
> To: Jonathan Corbet <corbet@....net>; Linux Doc Mailing List <linux-
> doc@...r.kernel.org>
> Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>;
> bpf@...r.kernel.org; intel-wired-lan@...ts.osuosl.org; linux-
> hardening@...r.kernel.org; linux-kernel@...r.kernel.org;
> netdev@...r.kernel.org; Mauro Carvalho Chehab <mchehab@...nel.org>;
> Randy Dunlap <rdunlap@...radead.org>
> Subject: [Intel-wired-lan] [PATCH v3 06/30] docs: kdoc_parser: use
> NestedMatch to handle __attribute__ on functions
> 
> Some annotations macros may have nested parenthesis, causing normal
> regex parsing to fail. The __attribute__ regex is currently very
> complex to try to avoid that, but it doesn't catch all cases.
> 
> Ensure that the parenthesis will be properly handled by using the
> NestedMatch() logic.
> 
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> Acked-by: Randy Dunlap <rdunlap@...radead.org>
> Tested-by: Randy Dunlap <rdunlap@...radead.org>
> ---
>  tools/lib/python/kdoc/kdoc_parser.py | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/lib/python/kdoc/kdoc_parser.py
> b/tools/lib/python/kdoc/kdoc_parser.py
> index ae5b2ef80f75..64165d8df84e 100644
> --- a/tools/lib/python/kdoc/kdoc_parser.py
> +++ b/tools/lib/python/kdoc/kdoc_parser.py
> @@ -165,6 +165,7 @@ struct_nested_prefixes = [  # the start delimiter.
>  #
>  function_nested_prefixes = [
> +    (re.compile(r"__attribute__\s*\("), ""),
>  ]
> 
>  #
> @@ -195,7 +196,6 @@ function_xforms = [
>      (KernRe(r"__diagnose_as\s*\(\s*\S+\s*(?:,\s*\d+\s*)*\) +"), ""),
>      (KernRe(r"DECL_BUCKET_PARAMS\s*\(\s*(\S+)\s*,\s*(\S+)\s*\)"),
> r"\1, \2"),
>      (KernRe(r"__attribute_const__ +"), ""),
> -
> (KernRe(r"__attribute__\s*\(\((?:[\w\s]+(?:\([^)]*\))?\s*,?)+\)\)\s+")
> , ""),
>  ]
> 
>  #
> --
> 2.52.0

Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@...el.com>