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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-17 11:23:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-17 11:23:13 -0700 |
| commit | 37d4607ebbbf5d8b74cbcb9434a5ce6897a51864 (patch) | |
| tree | d53055fb96f50898228631b5a784269b76e38dee /drivers/vfio | |
| parent | 916f562fb28a49457d3d99d156ca415b50d6750e (diff) | |
| parent | 1e4d09d2212d9e230b967f57bc8df463527dbd75 (diff) | |
| download | linux-37d4607ebbbf5d8b74cbcb9434a5ce6897a51864.tar.bz2 | |
Merge tag 'vfio-v5.3-rc1' of git://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Static symbol cleanup in mdev samples (Kefeng Wang)
- Use vma help in nvlink code (Peng Hao)
- Remove unused code in mbochs sample (YueHaibing)
- Send uevents around mdev registration (Alex Williamson)
* tag 'vfio-v5.3-rc1' of git://github.com/awilliam/linux-vfio:
mdev: Send uevents around parent device registration
sample/mdev/mbochs: remove set but not used variable 'mdev_state'
vfio: vfio_pci_nvlink2: use a vma helper function
vfio-mdev/samples: make some symbols static
Diffstat (limited to 'drivers/vfio')
| -rw-r--r-- | drivers/vfio/mdev/mdev_core.c | 9 | ||||
| -rw-r--r-- | drivers/vfio/pci/vfio_pci_nvlink2.c | 3 |
2 files changed, 10 insertions, 2 deletions
diff --git a/drivers/vfio/mdev/mdev_core.c b/drivers/vfio/mdev/mdev_core.c index ed8608763134..b558d4cfd082 100644 --- a/drivers/vfio/mdev/mdev_core.c +++ b/drivers/vfio/mdev/mdev_core.c @@ -143,6 +143,8 @@ int mdev_register_device(struct device *dev, const struct mdev_parent_ops *ops) { int ret; struct mdev_parent *parent; + char *env_string = "MDEV_STATE=registered"; + char *envp[] = { env_string, NULL }; /* check for mandatory ops */ if (!ops || !ops->create || !ops->remove || !ops->supported_type_groups) @@ -194,6 +196,8 @@ int mdev_register_device(struct device *dev, const struct mdev_parent_ops *ops) mutex_unlock(&parent_list_lock); dev_info(dev, "MDEV: Registered\n"); + kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp); + return 0; add_dev_err: @@ -217,6 +221,8 @@ EXPORT_SYMBOL(mdev_register_device); void mdev_unregister_device(struct device *dev) { struct mdev_parent *parent; + char *env_string = "MDEV_STATE=unregistered"; + char *envp[] = { env_string, NULL }; mutex_lock(&parent_list_lock); parent = __find_parent_device(dev); @@ -240,6 +246,9 @@ void mdev_unregister_device(struct device *dev) up_write(&parent->unreg_sem); mdev_put_parent(parent); + + /* We still have the caller's reference to use for the uevent */ + kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp); } EXPORT_SYMBOL(mdev_unregister_device); diff --git a/drivers/vfio/pci/vfio_pci_nvlink2.c b/drivers/vfio/pci/vfio_pci_nvlink2.c index 50fe3c4f7feb..f2983f0f84be 100644 --- a/drivers/vfio/pci/vfio_pci_nvlink2.c +++ b/drivers/vfio/pci/vfio_pci_nvlink2.c @@ -161,8 +161,7 @@ static int vfio_pci_nvgpu_mmap(struct vfio_pci_device *vdev, atomic_inc(&data->mm->mm_count); ret = (int) mm_iommu_newdev(data->mm, data->useraddr, - (vma->vm_end - vma->vm_start) >> PAGE_SHIFT, - data->gpu_hpa, &data->mem); + vma_pages(vma), data->gpu_hpa, &data->mem); trace_vfio_pci_nvgpu_mmap(vdev->pdev, data->gpu_hpa, data->useraddr, vma->vm_end - vma->vm_start, ret); |