From: Alex Williamson <alex.williamson@redhat.com>
To: alex.williamson@redhat.com
Cc: cohuck@redhat.com, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, jgg@nvidia.com, peterx@redhat.com
Subject: [RFC PATCH 07/10] vfio/pci: Notify on device release
Date: Mon, 22 Feb 2021 09:51:55 -0700 [thread overview]
Message-ID: <161401271528.16443.2318400142031983698.stgit@gimli.home> (raw)
In-Reply-To: <161401167013.16443.8389863523766611711.stgit@gimli.home>
Trigger a release notifier call when open reference count is zero.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
---
drivers/vfio/pci/vfio_pci.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index f9529bac6c97..fb8307430e24 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -560,6 +560,7 @@ static void vfio_pci_release(void *device_data)
mutex_lock(&vdev->reflck->lock);
if (!(--vdev->refcnt)) {
+ vfio_device_notifier_call(vdev->device, VFIO_DEVICE_RELEASE);
vfio_pci_vf_token_user_add(vdev, -1);
vfio_spapr_pci_eeh_release(vdev->pdev);
vfio_pci_disable(vdev);
next prev parent reply other threads:[~2021-02-22 16:56 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-22 16:50 [RFC PATCH 00/10] vfio: Device memory DMA mapping improvements Alex Williamson
2021-02-22 16:50 ` [RFC PATCH 01/10] vfio: Create vfio_fs_type with inode per device Alex Williamson
2021-02-26 5:38 ` Christoph Hellwig
2021-02-26 13:15 ` Jason Gunthorpe
2021-02-22 16:50 ` [RFC PATCH 02/10] vfio: Update vfio_add_group_dev() API Alex Williamson
2021-02-22 17:01 ` Jason Gunthorpe
2021-02-22 16:50 ` [RFC PATCH 03/10] vfio: Export unmap_mapping_range() wrapper Alex Williamson
2021-02-22 16:51 ` [RFC PATCH 04/10] vfio/pci: Use vfio_device_unmap_mapping_range() Alex Williamson
2021-02-22 17:22 ` Jason Gunthorpe
2021-02-24 21:55 ` Alex Williamson
2021-02-25 0:57 ` Jason Gunthorpe
2021-02-22 16:51 ` [RFC PATCH 05/10] vfio: Create a vfio_device from vma lookup Alex Williamson
2021-02-22 17:29 ` Jason Gunthorpe
2021-02-24 21:55 ` Alex Williamson
2021-02-25 0:06 ` Jason Gunthorpe
2021-02-25 22:21 ` Alex Williamson
2021-02-25 23:49 ` Jason Gunthorpe
2021-03-04 21:37 ` Alex Williamson
2021-03-04 23:16 ` Jason Gunthorpe
2021-03-05 0:07 ` Alex Williamson
2021-03-05 0:36 ` Jason Gunthorpe
2021-02-22 16:51 ` [RFC PATCH 06/10] vfio: Add a device notifier interface Alex Williamson
2021-02-22 16:51 ` Alex Williamson [this message]
2021-02-22 16:52 ` [RFC PATCH 08/10] vfio/type1: Refactor pfn_list clearing Alex Williamson
2021-02-22 16:52 ` [RFC PATCH 09/10] vfio/type1: Pass iommu and dma objects through to vaddr_get_pfn Alex Williamson
2021-02-22 16:52 ` [RFC PATCH 10/10] vfio/type1: Register device notifier Alex Williamson
2021-02-22 17:55 ` Jason Gunthorpe
2021-02-24 21:55 ` Alex Williamson
2021-02-25 0:22 ` Jason Gunthorpe
2021-02-25 17:54 ` Peter Xu
2021-02-25 18:19 ` Jason Gunthorpe
2021-02-25 19:06 ` Peter Xu
2021-02-25 19:17 ` Jason Gunthorpe
2021-02-25 19:54 ` Peter Xu
2021-02-26 5:47 ` Christoph Hellwig
2021-02-22 18:00 ` [RFC PATCH 00/10] vfio: Device memory DMA mapping improvements Jason Gunthorpe
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