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header.from=amd.com; Received: from CH2PR12MB4262.namprd12.prod.outlook.com (2603:10b6:610:af::8) by MN0PR12MB6294.namprd12.prod.outlook.com (2603:10b6:208:3c1::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8722.29; Wed, 14 May 2025 08:06:54 +0000 Received: from CH2PR12MB4262.namprd12.prod.outlook.com ([fe80::3bdb:bf3d:8bde:7870]) by CH2PR12MB4262.namprd12.prod.outlook.com ([fe80::3bdb:bf3d:8bde:7870%5]) with mapi id 15.20.8722.027; Wed, 14 May 2025 08:06:54 +0000 Message-ID: <088e9ed8-2970-4efc-b1c4-ae84053e6ab1@amd.com> Date: Wed, 14 May 2025 13:36:41 +0530 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RESEND 1/4] x86/mm: pgtable: Fix W=1 build kernel-doc warnings To: Ingo Molnar Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, luto@kernel.org, peterz@infradead.org, rafael@kernel.org, pavel@kernel.org, akpm@linux-foundation.org, 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=?utf-8?B?MldYMGdUanp6Y3RHOGFkVXVhZC9wR0p1SjA1alZwMzFqK25mbGYrRjJPT3g3?= =?utf-8?B?UUU0NXRDYWVka21lcUpQREs4TGpaTlFwT3R0OWE5RG0zUVZDNlUwTWN0cUFz?= =?utf-8?B?QmY4by81NTJUaGdjdUdsQU5YQTRxcVF4UEoxd3RTeVBVMkNJRC93a044SUt3?= =?utf-8?B?T2lhQ1czUllXbUJVOStnOEdkRzQyWnphcmdJTmtkelh3S0p2RlZSYW1oYVhu?= =?utf-8?B?bElDcnZUYzFLS3ROWlFNcG13TEc1VXNudmhybDZtNGRURG81YkM5enJJelVY?= =?utf-8?B?QTlXeCs0aHlDYTdNeURseHh2d0xzZEpnakVPbDVEYmg1WHNTZ01zRExlNUFi?= =?utf-8?B?aTROUzFValdzUTROMjE1Wk5NQlp6YkxNWUptbHRtOEdKWUROY1FvOFNJNCsr?= =?utf-8?Q?0aVu8h11XwkERJpeKHuG0+yWe?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 03ac358f-fbdd-423f-480b-08dd92be4a30 X-MS-Exchange-CrossTenant-AuthSource: CH2PR12MB4262.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 May 2025 08:06:54.6036 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: q/miMET2s0VHwpWgHQaPhagSZvB9TEAAWn7ZxzwQItmUj4OJMrNLNS4p/O7Kpjf507FEHsuW9jdH6jOgueZBKA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB6294 On 5/14/2025 1:24 PM, Ingo Molnar wrote: > > * Shivank Garg wrote: > >> Warnings generated with 'make W=1': >> arch/x86/mm/pgtable.c:623: warning: Function parameter or struct member 'reserve' not described in 'reserve_top_address' >> arch/x86/mm/pgtable.c:672: warning: Function parameter or struct member 'p4d' not described in 'p4d_set_huge' >> arch/x86/mm/pgtable.c:672: warning: Function parameter or struct member 'addr' not described in 'p4d_set_huge' >> ... so on >> >> Add missing parameter documentation in page table functions to >> fix kernel-doc warnings. >> >> Signed-off-by: Shivank Garg >> --- >> arch/x86/mm/pgtable.c | 16 ++++++++++++++-- >> 1 file changed, 14 insertions(+), 2 deletions(-) >> >> diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c >> index f7ae44d3dd9e..8a5bc4545ad3 100644 >> --- a/arch/x86/mm/pgtable.c >> +++ b/arch/x86/mm/pgtable.c >> @@ -614,7 +614,7 @@ pud_t pudp_invalidate(struct vm_area_struct *vma, unsigned long address, >> >> /** >> * reserve_top_address - reserves a hole in the top of kernel address space >> - * @reserve - size of hole to reserve >> + * @reserve: Size of hole to reserve. >> * >> * Can be used to relocate the fixmap area and poke a hole in the top >> * of kernel address space to make room for a hypervisor. >> @@ -665,6 +665,9 @@ void native_set_fixmap(unsigned /* enum fixed_addresses */ idx, >> #ifdef CONFIG_X86_5LEVEL >> /** >> * p4d_set_huge - setup kernel P4D mapping >> + * @p4d: Pointer to a p4d entry. >> + * @addr: Virtual Address associated with p4d. >> + * @prot: Protection bits to use. > > How about using the same capitalization you already see in this > description? Sure, I'll keep the capitalization consistent with existing code. > >> /** >> * p4d_clear_huge - clear kernel P4D mapping when it is set >> + * @p4d: Pointer to the p4d entry to clear. > > Ditto. > >> * pud_set_huge - setup kernel PUD mapping >> + * @pud: Pointer to a pud entry. >> + * @addr: Virtual Address associated with pud. >> + * @prot: Protection bits to use. > > Ditto. > >> * pmd_set_huge - setup kernel PMD mapping >> + * @pmd: Pointer to a pmd entry. >> + * @addr: Virtual Address associated with pmd. >> + * @prot: Protection bits to use. > > Ditto. > >> @@ -745,6 +755,7 @@ int pmd_set_huge(pmd_t *pmd, phys_addr_t addr, pgprot_t prot) >> >> /** >> * pud_clear_huge - clear kernel PUD mapping when it is set >> + * @pud: Pointer to the pud entry to clear. > > Ditto. > >> * Returns 1 on success and 0 on failure (no PUD map is found). >> */ >> @@ -760,6 +771,7 @@ int pud_clear_huge(pud_t *pud) >> >> /** >> * pmd_clear_huge - clear kernel PMD mapping when it is set >> + * @pmd: Pointer to the pmd entry to clear. > > Ditto. Thanks for the feedback. > > Thanks, > > Ingo