diff options
Diffstat (limited to 'drivers/iommu/amd/io_pgtable.c')
| -rw-r--r-- | drivers/iommu/amd/io_pgtable.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/drivers/iommu/amd/io_pgtable.c b/drivers/iommu/amd/io_pgtable.c index 0743b698128d..e0abcf38c314 100644 --- a/drivers/iommu/amd/io_pgtable.c +++ b/drivers/iommu/amd/io_pgtable.c @@ -132,18 +132,6 @@ static void free_sub_pt(u64 *root, int mode, struct list_head *freelist) } } -void amd_iommu_domain_set_pgtable(struct protection_domain *domain, - u64 *root, int mode) -{ - u64 pt_root; - - /* lowest 3 bits encode pgtable mode */ - pt_root = mode & 7; - pt_root |= (u64)root; - - amd_iommu_domain_set_pt_root(domain, pt_root); -} - /* * This function is used to add another level to an IO page table. Adding * another level increases the size of the address space by 9 bits to a size up @@ -176,12 +164,6 @@ static bool increase_address_space(struct protection_domain *domain, domain->iop.mode += 1; amd_iommu_update_and_flush_device_table(domain); - /* - * Device Table needs to be updated and flushed before the new root can - * be published. - */ - amd_iommu_domain_set_pgtable(domain, pte, domain->iop.mode); - pte = NULL; ret = true; @@ -560,23 +542,17 @@ static int iommu_v1_read_and_clear_dirty(struct io_pgtable_ops *ops, static void v1_free_pgtable(struct io_pgtable *iop) { struct amd_io_pgtable *pgtable = container_of(iop, struct amd_io_pgtable, iop); - struct protection_domain *dom; LIST_HEAD(freelist); if (pgtable->mode == PAGE_MODE_NONE) return; - dom = container_of(pgtable, struct protection_domain, iop); - /* Page-table is not visible to IOMMU anymore, so free it */ BUG_ON(pgtable->mode < PAGE_MODE_NONE || pgtable->mode > PAGE_MODE_6_LEVEL); free_sub_pt(pgtable->root, pgtable->mode, &freelist); iommu_put_pages_list(&freelist); - - /* Update data structure */ - amd_iommu_domain_clr_pt_root(dom); } static struct io_pgtable *v1_alloc_pgtable(struct io_pgtable_cfg *cfg, void *cookie) |