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From: Balbir Singh <balbirs@nvidia.com>
To: "David Hildenbrand (Red Hat)" <david@kernel.org>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	dri-devel@lists.freedesktop.org
Cc: "kernel test robot" <lkp@intel.com>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"Zi Yan" <ziy@nvidia.com>,
	"Joshua Hahn" <joshua.hahnjy@gmail.com>,
	"Rakie Kim" <rakie.kim@sk.com>,
	"Byungchul Park" <byungchul@sk.com>,
	"Gregory Price" <gourry@gourry.net>,
	"Ying Huang" <ying.huang@linux.alibaba.com>,
	"Alistair Popple" <apopple@nvidia.com>,
	"Oscar Salvador" <osalvador@suse.de>,
	"Lorenzo Stoakes" <lorenzo.stoakes@oracle.com>,
	"Baolin Wang" <baolin.wang@linux.alibaba.com>,
	"Liam R. Howlett" <Liam.Howlett@oracle.com>,
	"Nico Pache" <npache@redhat.com>,
	"Ryan Roberts" <ryan.roberts@arm.com>,
	"Dev Jain" <dev.jain@arm.com>, "Barry Song" <baohua@kernel.org>,
	"Lyude Paul" <lyude@redhat.com>,
	"Danilo Krummrich" <dakr@kernel.org>,
	"David Airlie" <airlied@gmail.com>,
	"Simona Vetter" <simona@ffwll.ch>,
	"Ralph Campbell" <rcampbell@nvidia.com>,
	"Mika Penttilä" <mpenttil@redhat.com>,
	"Matthew Brost" <matthew.brost@intel.com>,
	"Francois Dugast" <francois.dugast@intel.com>
Subject: Re: [PATCH] gpu/drm/nouveau: fix return type in nouveau_dmem_migrate_to_ram()
Date: Fri, 14 Nov 2025 20:13:58 +1100	[thread overview]
Message-ID: <e118987c-431c-4152-89d1-563f1312a574@nvidia.com> (raw)
In-Reply-To: <95e27bd3-6ce7-46a3-81d5-0fc830908b10@kernel.org>

On 11/14/25 19:33, David Hildenbrand (Red Hat) wrote:
> On 14.11.25 02:22, Balbir Singh wrote:
>> ret of type vm_fault_t is reused to capture the return value of
>> nouveau_dmem_copy_folio(), which returns an int. Use a new variable
>> err to fix the issue. The issue is not new, prior to this the function
>> called was called nouveau_dmem_copy_one() and ret was used to capture
>> it's value.
>>
>> The bug does not cause a real issue at runtime, the value is used
>> as a boolean to check if nouveau_dmem_copy_folio() succeeded or failed.
>> The different types should not impact the execution of the code at
>> runtime.
>>
> 
> Also, as commented previously, the prefix in the subject does not match existing norms. Take a look at
> 
>     git log --oneline drivers/gpu/drm/nouveau/nouveau_dmem.c
> 
> and note how it's commonly something along the lines of "drm/nouveau" or better "drm/nouveau/dmem".
> 
> The only patch that uses "gpu/drm/nouveau" is from you recently. In fact, there is no other patch in the codebase that uses that prefix.
> 

I'll fix the subject prefix

Thanks for the review,
Balbir


      reply	other threads:[~2025-11-14  9:14 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-14  1:22 Balbir Singh
2025-11-14  8:29 ` David Hildenbrand (Red Hat)
2025-11-14  8:33 ` David Hildenbrand (Red Hat)
2025-11-14  9:13   ` Balbir Singh [this message]

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