linux-kernel - RE: [Intel-wired-lan] [PATCH v3 25/30] docs: kdoc_re: add a helper class to declare C function matches

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Message-ID: <IA3PR11MB89861562F92C9FE6194225FEE59EA@IA3PR11MB8986.namprd11.prod.outlook.com>
Date: Thu, 29 Jan 2026 10:33:54 +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 25/30] docs: kdoc_re: add a helper
 class to declare C function matches



> -----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 25/30] docs: kdoc_re: add a
> helper class to declare C function matches
> 
> Add a more convenient class to match C functions and avoiding issues
> at the beginning and ending of NestedMatch inits.
> 
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> ---
>  tools/lib/python/kdoc/kdoc_re.py | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/tools/lib/python/kdoc/kdoc_re.py
> b/tools/lib/python/kdoc/kdoc_re.py
> index 5f455ffff7b2..a49b42e3d189 100644
> --- a/tools/lib/python/kdoc/kdoc_re.py
> +++ b/tools/lib/python/kdoc/kdoc_re.py
> @@ -380,3 +380,14 @@ class NestedMatch:
>          """
> 
>          return f'NestedMatch("{self.regex.regex.pattern}")'
> +
> +
> +class CFunction(NestedMatch):
> +    r"""
> +    Variant of NestedMatch.
> +
> +    It overrides the init method to ensure that the regular
> expression will
> +    start with a ``\b`` and end with a C function delimiter (open
> parenthesis).
> +    """
> +    def __init__(self, regex):
> +        self.regex = KernRe(r"\b" + regex + r"\s*\(")
> --
> 2.52.0

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