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

["Christian König" <deathsimple@vodafone.de>]

Am 02.07.2014 21:53, schrieb Alex Deucher:
> On Wed, Jul 2, 2014 at 3:28 PM, Christian König <deathsimple@vodafone.de> wrote:
>> From: Christian König <christian.koenig@amd.com>
>>
>> Userspace shouldn't be able to access them.
>>
>> Signed-off-by: Christian König <christian.koenig@amd.com>
>> Cc: stable@vger.kernel.org
> 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@amd.com>

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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