linux-kernel - Re: [PATCH v5 1/3] vfio/nvgrace-gpu: Read dvsec register to determine need for uncached resmem

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Message-ID:
 <SA1PR12MB7199CFED7C5872095B1B08B1B0E32@SA1PR12MB7199.namprd12.prod.outlook.com>
Date: Fri, 24 Jan 2025 17:51:14 +0000
From: Ankit Agrawal <ankita@...dia.com>
To: Alex Williamson <alex.williamson@...hat.com>
CC: Jason Gunthorpe <jgg@...dia.com>, Yishai Hadas <yishaih@...dia.com>,
	"shameerali.kolothum.thodi@...wei.com"
	<shameerali.kolothum.thodi@...wei.com>, "kevin.tian@...el.com"
	<kevin.tian@...el.com>, Zhi Wang <zhiw@...dia.com>, Aniket Agashe
	<aniketa@...dia.com>, Neo Jia <cjia@...dia.com>, Kirti Wankhede
	<kwankhede@...dia.com>, "Tarun Gupta (SW-GPU)" <targupta@...dia.com>, Vikram
 Sethi <vsethi@...dia.com>, Andy Currid <acurrid@...dia.com>, Alistair Popple
	<apopple@...dia.com>, John Hubbard <jhubbard@...dia.com>, Dan Williams
	<danw@...dia.com>, Krishnakant Jaju <kjaju@...dia.com>, "Anuj Aggarwal
 (SW-GPU)" <anuaggarwal@...dia.com>, Matt Ochs <mochs@...dia.com>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 1/3] vfio/nvgrace-gpu: Read dvsec register to determine
 need for uncached resmem

>> @@ -868,6 +896,8 @@ static const struct pci_device_id nvgrace_gpu_vfio_pci_table[] = {
>>       { PCI_DRIVER_OVERRIDE_DEVICE_VFIO(PCI_VENDOR_ID_NVIDIA, 0x2345) },
>>       /* GH200 SKU */
>>       { PCI_DRIVER_OVERRIDE_DEVICE_VFIO(PCI_VENDOR_ID_NVIDIA, 0x2348) },
>> +     /* GB200 SKU */
>> +     { PCI_DRIVER_OVERRIDE_DEVICE_VFIO(PCI_VENDOR_ID_NVIDIA, 0x2941) },
>>       {}
>>  };
>>
>
> GB support isn't really complete until patch 3, so shouldn't we hold
> off on adding the ID to the table until a trivial patch 4, adding only
> the chunk above?  Thanks,
>
> Alex

Yeah, thanks for pointing that out. Will move it to a new patch.