linux-kernel - [RFC 01/14] vfio/nvgrace-gpu: Expand module_pci

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Message-ID: <20250904040828.319452-2-ankita@nvidia.com>
Date: Thu, 4 Sep 2025 04:08:15 +0000
From: <ankita@...dia.com>
To: <ankita@...dia.com>, <jgg@...dia.com>, <alex.williamson@...hat.com>,
	<yishaih@...dia.com>, <skolothumtho@...dia.com>, <kevin.tian@...el.com>,
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CC: <aniketa@...dia.com>, <cjia@...dia.com>, <kwankhede@...dia.com>,
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	<dnigam@...dia.com>, <kvm@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [RFC 01/14] vfio/nvgrace-gpu: Expand module_pci_driver to allow custom module init

From: Ankit Agrawal <ankita@...dia.com>

Allow custom changes to the nvgrace-gpu module init functions by
expanding definition of module_pci_driver.

Signed-off-by: Ankit Agrawal <ankita@...dia.com>
---
 drivers/vfio/pci/nvgrace-gpu/main.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/vfio/pci/nvgrace-gpu/main.c b/drivers/vfio/pci/nvgrace-gpu/main.c
index d95761dcdd58..72e7ac1fa309 100644
--- a/drivers/vfio/pci/nvgrace-gpu/main.c
+++ b/drivers/vfio/pci/nvgrace-gpu/main.c
@@ -1009,7 +1009,17 @@ static struct pci_driver nvgrace_gpu_vfio_pci_driver = {
 	.driver_managed_dma = true,
 };
 
-module_pci_driver(nvgrace_gpu_vfio_pci_driver);
+static int __init nvgrace_gpu_vfio_pci_init(void)
+{
+	return pci_register_driver(&nvgrace_gpu_vfio_pci_driver);
+}
+module_init(nvgrace_gpu_vfio_pci_init);
+
+static void __exit nvgrace_gpu_vfio_pci_cleanup(void)
+{
+	pci_unregister_driver(&nvgrace_gpu_vfio_pci_driver);
+}
+module_exit(nvgrace_gpu_vfio_pci_cleanup);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Ankit Agrawal <ankita@...dia.com>");
-- 
2.34.1