AMDGPU_PTE_READABLE
AMDGPU_PTE_READABLE | AMDGPU_PTE_WRITEABLE |
flags |= AMDGPU_PTE_VALID | AMDGPU_PTE_READABLE;
flags |= AMDGPU_PTE_READABLE;
update_flags &= ~AMDGPU_PTE_READABLE;
flags |= AMDGPU_PTE_EXECUTABLE | AMDGPU_PTE_READABLE |
| AMDGPU_PTE_READABLE \
u64 flags = AMDGPU_PTE_READABLE | AMDGPU_PTE_WRITEABLE | AMDGPU_PTE_VALID;
pte_flags = AMDGPU_PTE_VALID | AMDGPU_PTE_READABLE;
pte_flags |= AMDGPU_PTE_READABLE;