linux-kernel - RE: [Intel-wired-lan] [PATCH v2 14/25] kdoc_parser: handle struct member macro VIRTIO_DECLARE

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Message-ID: <IA3PR11MB898622E5C73DBA8D4CC52E33E591A@IA3PR11MB8986.namprd11.prod.outlook.com>
Date: Wed, 28 Jan 2026 17:47:44 +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-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>, Peter Zijlstra
	<peterz@...radead.org>, Randy Dunlap <rdunlap@...radead.org>, "Stephen
 Rothwell" <sfr@...b.auug.org.au>
Subject: RE: [Intel-wired-lan] [PATCH v2 14/25] kdoc_parser: handle struct
 member macro VIRTIO_DECLARE_FEATURES(name)



> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf
> Of Mauro Carvalho Chehab
> Sent: Wednesday, January 28, 2026 5:50 PM
> 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-
> kernel@...r.kernel.org; netdev@...r.kernel.org; Peter Zijlstra
> <peterz@...radead.org>; Randy Dunlap <rdunlap@...radead.org>; Stephen
> Rothwell <sfr@...b.auug.org.au>
> Subject: [Intel-wired-lan] [PATCH v2 14/25] kdoc_parser: handle struct
> member macro VIRTIO_DECLARE_FEATURES(name)
> 
> From: Randy Dunlap <rdunlap@...radead.org>
> 
> Parse the macro VIRTIO_DECLARE_FEATURES(name) and expand it to its
> definition. These prevents one build warning:
> 
> WARNING: include/linux/virtio.h:188 struct member
> 'VIRTIO_DECLARE_FEATURES(features' not described in 'virtio_device'
> 
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> ---
>  tools/lib/python/kdoc/kdoc_parser.py | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/tools/lib/python/kdoc/kdoc_parser.py
> b/tools/lib/python/kdoc/kdoc_parser.py
> index 33710c4be145..db140363104a 100644
> --- a/tools/lib/python/kdoc/kdoc_parser.py
> +++ b/tools/lib/python/kdoc/kdoc_parser.py
> @@ -152,6 +152,7 @@ struct_xforms = [
>              struct_args_pattern + r'\)', re.S), r'\1 \2[]'),
>      (KernRe(r'DEFINE_DMA_UNMAP_ADDR\s*\(' + struct_args_pattern +
> r'\)', re.S), r'dma_addr_t \1'),
>      (KernRe(r'DEFINE_DMA_UNMAP_LEN\s*\(' + struct_args_pattern +
> r'\)', re.S), r'__u32 \1'),
> +    (KernRe(r'VIRTIO_DECLARE_FEATURES\(([\w_]+)\)'), r'union { u64
> \1;
> + u64 \1_array[VIRTIO_FEATURES_U64S]; }'),
>  ]
>  #
>  # Struct regexes here are guaranteed to have the end delimiter
> matching
> --
> 2.52.0
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@...el.com>