diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gem.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_userptr.c | 6 | ||||
| -rw-r--r-- | drivers/infiniband/core/umem_odp.c | 7 |
3 files changed, 15 insertions, 5 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c index 5ce3603..0370b84 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c @@ -748,19 +748,22 @@ static struct page **etnaviv_gem_userptr_do_get_pages( int ret = 0, pinned, npages = etnaviv_obj->base.size >> PAGE_SHIFT; struct page **pvec; uintptr_t ptr; + unsigned int flags = 0; pvec = drm_malloc_ab(npages, sizeof(struct page *)); if (!pvec) return ERR_PTR(-ENOMEM); + if (!etnaviv_obj->userptr.ro) + flags |= FOLL_WRITE; + pinned = 0; ptr = etnaviv_obj->userptr.ptr; down_read(&mm->mmap_sem); while (pinned < npages) { ret = get_user_pages_remote(task, mm, ptr, npages - pinned, - !etnaviv_obj->userptr.ro, 0, - pvec + pinned, NULL); + flags, pvec + pinned, NULL); if (ret < 0) break; diff --git a/drivers/gpu/drm/i915/i915_gem_userptr.c b/drivers/gpu/drm/i915/i915_gem_userptr.c index e537930..c6f780f 100644 --- a/drivers/gpu/drm/i915/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/i915_gem_userptr.c @@ -508,6 +508,10 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work) pvec = drm_malloc_gfp(npages, sizeof(struct page *), GFP_TEMPORARY); if (pvec != NULL) { struct mm_struct *mm = obj->userptr.mm->mm; + unsigned int flags = 0; + + if (!obj->userptr.read_only) + flags |= FOLL_WRITE; ret = -EFAULT; if (atomic_inc_not_zero(&mm->mm_users)) { @@ -517,7 +521,7 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work) (work->task, mm, obj->userptr.ptr + pinned * PAGE_SIZE, npages - pinned, - !obj->userptr.read_only, 0, + flags, pvec + pinned, NULL); if (ret < 0) break; diff --git a/drivers/infiniband/core/umem_odp.c b/drivers/infiniband/core/umem_odp.c index 75077a0..1f0fe32 100644 --- a/drivers/infiniband/core/umem_odp.c +++ b/drivers/infiniband/core/umem_odp.c @@ -527,6 +527,7 @@ int ib_umem_odp_map_dma_pages(struct ib_umem *umem, u64 user_virt, u64 bcnt, u64 off; int j, k, ret = 0, start_idx, npages = 0; u64 base_virt_addr; + unsigned int flags = 0; if (access_mask == 0) return -EINVAL; @@ -556,6 +557,9 @@ int ib_umem_odp_map_dma_pages(struct ib_umem *umem, u64 user_virt, u64 bcnt, goto out_put_task; } + if (access_mask & ODP_WRITE_ALLOWED_BIT) + flags |= FOLL_WRITE; + start_idx = (user_virt - ib_umem_start(umem)) >> PAGE_SHIFT; k = start_idx; @@ -574,8 +578,7 @@ int ib_umem_odp_map_dma_pages(struct ib_umem *umem, u64 user_virt, u64 bcnt, */ npages = get_user_pages_remote(owning_process, owning_mm, user_virt, gup_num_pages, - access_mask & ODP_WRITE_ALLOWED_BIT, - 0, local_page_list, NULL); + flags, local_page_list, NULL); up_read(&owning_mm->mmap_sem); if (npages < 0) |