Re: [PATCH] drm/radeon: page table BOs are kernel allocations

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Am 02.07.2014 21:53, schrieb Alex Deucher:
On Wed, Jul 2, 2014 at 3:28 PM, Christian König <deathsimple@xxxxxxxxxxx> wrote:
From: Christian König <christian.koenig@xxxxxxx>

Userspace shouldn't be able to access them.

Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
I assume this is for 3.15.  I had to tweak it slightly for 3.16.

Yeah, I've created the patch on a 3.15 branch. Didn't realized that we need to change it slightly for 3.16.

Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>

Thanks,
Christian.


---
  drivers/gpu/drm/radeon/radeon_vm.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
index c11b71d..c8c48aa 100644
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -493,7 +493,7 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev,
                 mutex_unlock(&vm->mutex);

                 r = radeon_bo_create(rdev, RADEON_VM_PTE_COUNT * 8,
-                                    RADEON_GPU_PAGE_SIZE, false,
+                                    RADEON_GPU_PAGE_SIZE, true,
                                      RADEON_GEM_DOMAIN_VRAM, NULL, &pt);
                 if (r)
                         return r;
@@ -913,7 +913,7 @@ int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm)
                 return -ENOMEM;
         }

-       r = radeon_bo_create(rdev, pd_size, RADEON_VM_PTB_ALIGN_SIZE, false,
+       r = radeon_bo_create(rdev, pd_size, RADEON_VM_PTB_ALIGN_SIZE, true,
                              RADEON_GEM_DOMAIN_VRAM, NULL,
                              &vm->page_directory);
         if (r)
--
1.9.1


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