diff options
Diffstat (limited to 'drivers/vfio')
| -rw-r--r-- | drivers/vfio/vfio_iommu_type1.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index caf638cedeba..f17490ab238f 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -139,9 +139,6 @@ struct vfio_regions { size_t len; }; -#define IS_IOMMU_CAP_DOMAIN_IN_CONTAINER(iommu) \ - (!list_empty(&iommu->domain_list)) - #define DIRTY_BITMAP_BYTES(n) (ALIGN(n, BITS_PER_TYPE(u64)) / BITS_PER_BYTE) /* @@ -879,7 +876,7 @@ again: * already pinned and accounted. Accounting should be done if there is no * iommu capable domain in the container. */ - do_accounting = !IS_IOMMU_CAP_DOMAIN_IN_CONTAINER(iommu); + do_accounting = list_empty(&iommu->domain_list); for (i = 0; i < npage; i++) { struct vfio_pfn *vpfn; @@ -968,7 +965,7 @@ static int vfio_iommu_type1_unpin_pages(void *iommu_data, mutex_lock(&iommu->lock); - do_accounting = !IS_IOMMU_CAP_DOMAIN_IN_CONTAINER(iommu); + do_accounting = list_empty(&iommu->domain_list); for (i = 0; i < npage; i++) { struct vfio_dma *dma; dma_addr_t iova; @@ -1089,7 +1086,7 @@ static long vfio_unmap_unpin(struct vfio_iommu *iommu, struct vfio_dma *dma, if (!dma->size) return 0; - if (!IS_IOMMU_CAP_DOMAIN_IN_CONTAINER(iommu)) + if (list_empty(&iommu->domain_list)) return 0; /* @@ -1666,7 +1663,7 @@ static int vfio_dma_do_map(struct vfio_iommu *iommu, vfio_link_dma(iommu, dma); /* Don't pin and map if container doesn't contain IOMMU capable domain*/ - if (!IS_IOMMU_CAP_DOMAIN_IN_CONTAINER(iommu)) + if (list_empty(&iommu->domain_list)) dma->size = size; else ret = vfio_pin_map_dma(iommu, dma, size); @@ -2472,7 +2469,7 @@ static void vfio_iommu_type1_detach_group(void *iommu_data, kfree(group); if (list_empty(&iommu->emulated_iommu_groups) && - !IS_IOMMU_CAP_DOMAIN_IN_CONTAINER(iommu)) { + list_empty(&iommu->domain_list)) { WARN_ON(iommu->notifier.head); vfio_iommu_unmap_unpin_all(iommu); } |