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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2020-02-03 22:22:05 +0000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-02-03 22:22:05 +0000 |
| commit | a6d5f9dca42eab3526e2f73aa5b7df2a5fec2c9d (patch) | |
| tree | fa4dc84c729f382ab7aa6c55f1783de25a1b3dc6 /drivers/vfio | |
| parent | Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux (diff) | |
| parent | vfio: platform: fix __iomem in vfio_platform_amdxgbe.c (diff) | |
| download | linux-dev-a6d5f9dca42eab3526e2f73aa5b7df2a5fec2c9d.tar.xz linux-dev-a6d5f9dca42eab3526e2f73aa5b7df2a5fec2c9d.zip | |
Merge tag 'vfio-v5.6-rc1' of git://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Fix nvlink error path (Alexey Kardashevskiy)
- Update nvlink and spapr to use mmgrab() (Julia Lawall)
- Update static declaration (Ben Dooks)
- Annotate __iomem to fix sparse warnings (Ben Dooks)
* tag 'vfio-v5.6-rc1' of git://github.com/awilliam/linux-vfio:
vfio: platform: fix __iomem in vfio_platform_amdxgbe.c
vfio/mdev: make create attribute static
vfio/spapr_tce: use mmgrab
vfio: vfio_pci_nvlink2: use mmgrab
vfio/spapr/nvlink2: Skip unpinning pages on error exit
Diffstat (limited to 'drivers/vfio')
| -rw-r--r-- | drivers/vfio/mdev/mdev_sysfs.c | 2 | ||||
| -rw-r--r-- | drivers/vfio/pci/vfio_pci_nvlink2.c | 8 | ||||
| -rw-r--r-- | drivers/vfio/platform/reset/vfio_platform_amdxgbe.c | 4 | ||||
| -rw-r--r-- | drivers/vfio/vfio_iommu_spapr_tce.c | 2 |
4 files changed, 9 insertions, 7 deletions
diff --git a/drivers/vfio/mdev/mdev_sysfs.c b/drivers/vfio/mdev/mdev_sysfs.c index 7570c7602ab4..8ad14e5c02bf 100644 --- a/drivers/vfio/mdev/mdev_sysfs.c +++ b/drivers/vfio/mdev/mdev_sysfs.c @@ -74,7 +74,7 @@ static ssize_t create_store(struct kobject *kobj, struct device *dev, return count; } -MDEV_TYPE_ATTR_WO(create); +static MDEV_TYPE_ATTR_WO(create); static void mdev_type_release(struct kobject *kobj) { diff --git a/drivers/vfio/pci/vfio_pci_nvlink2.c b/drivers/vfio/pci/vfio_pci_nvlink2.c index f2983f0f84be..df4d96038cd4 100644 --- a/drivers/vfio/pci/vfio_pci_nvlink2.c +++ b/drivers/vfio/pci/vfio_pci_nvlink2.c @@ -97,8 +97,10 @@ static void vfio_pci_nvgpu_release(struct vfio_pci_device *vdev, /* If there were any mappings at all... */ if (data->mm) { - ret = mm_iommu_put(data->mm, data->mem); - WARN_ON(ret); + if (data->mem) { + ret = mm_iommu_put(data->mm, data->mem); + WARN_ON(ret); + } mmdrop(data->mm); } @@ -159,7 +161,7 @@ static int vfio_pci_nvgpu_mmap(struct vfio_pci_device *vdev, data->useraddr = vma->vm_start; data->mm = current->mm; - atomic_inc(&data->mm->mm_count); + mmgrab(data->mm); ret = (int) mm_iommu_newdev(data->mm, data->useraddr, vma_pages(vma), data->gpu_hpa, &data->mem); diff --git a/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c b/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c index 40d4fb9276ba..abdca900802d 100644 --- a/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c +++ b/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c @@ -24,7 +24,7 @@ #define MDIO_AN_INT 0x8002 #define MDIO_AN_INTMASK 0x8001 -static unsigned int xmdio_read(void *ioaddr, unsigned int mmd, +static unsigned int xmdio_read(void __iomem *ioaddr, unsigned int mmd, unsigned int reg) { unsigned int mmd_address, value; @@ -35,7 +35,7 @@ static unsigned int xmdio_read(void *ioaddr, unsigned int mmd, return value; } -static void xmdio_write(void *ioaddr, unsigned int mmd, +static void xmdio_write(void __iomem *ioaddr, unsigned int mmd, unsigned int reg, unsigned int value) { unsigned int mmd_address; diff --git a/drivers/vfio/vfio_iommu_spapr_tce.c b/drivers/vfio/vfio_iommu_spapr_tce.c index 26cef65b41e7..16b3adc508db 100644 --- a/drivers/vfio/vfio_iommu_spapr_tce.c +++ b/drivers/vfio/vfio_iommu_spapr_tce.c @@ -79,7 +79,7 @@ static long tce_iommu_mm_set(struct tce_container *container) } BUG_ON(!current->mm); container->mm = current->mm; - atomic_inc(&container->mm->mm_count); + mmgrab(container->mm); return 0; } |