RE: MSI-X vector limits and reserving a virtio device ID

Parav Pandit <[email protected]> Thu, 28 May 2026 05:22:28 +0000
Newsgroups dev.linux.lists.virtio-comment
Message-ID <SJ0PR12MB6806C5A16CB0899E095E835EDC092@SJ0PR12MB6806.namprd12.prod.outlook.com>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