Am 19.07.19 um 00:34 schrieb Kuehling, Felix:
On 2019-07-18 4:47 a.m., Christian König wrote:
[SNIP]
There is also a more general issue with direct submission that I found
while you were on vacation. There is no locking of the ring buffer. So
direct and non-direct submission to the same ring is
On 2019-07-18 4:47 a.m., Christian König wrote:
[snip]
>>> This is a corner case we can handle later on. As long as the VM is
>>> still alive just allocating page tables again should be sufficient for
>>> this.
>> Do you mean, instead of migrating page tables back, throwing them away
>> and
Am 17.07.19 um 22:31 schrieb Kuehling, Felix:
On 2019-07-17 5:10, Christian König wrote:
Am 16.07.19 um 18:40 schrieb Kuehling, Felix:
On 2019-07-16 9:36 a.m., Christian König wrote:
Am 02.07.19 um 21:35 schrieb Kuehling, Felix:
This assumes that page tables are resident when a page fault is
On 2019-07-17 5:10, Christian König wrote:
> Am 16.07.19 um 18:40 schrieb Kuehling, Felix:
>> On 2019-07-16 9:36 a.m., Christian König wrote:
>>> Am 02.07.19 um 21:35 schrieb Kuehling, Felix:
This assumes that page tables are resident when a page fault is
handled.
>>> Yeah, that is
Am 16.07.19 um 18:40 schrieb Kuehling, Felix:
On 2019-07-16 9:36 a.m., Christian König wrote:
Am 02.07.19 um 21:35 schrieb Kuehling, Felix:
This assumes that page tables are resident when a page fault is handled.
Yeah, that is correct. I also haven't completely figured out how we
can prevent
On 2019-07-16 9:36 a.m., Christian König wrote:
> Am 02.07.19 um 21:35 schrieb Kuehling, Felix:
>> This assumes that page tables are resident when a page fault is handled.
>
> Yeah, that is correct. I also haven't completely figured out how we
> can prevent the VM from being destroyed while
Am 02.07.19 um 21:35 schrieb Kuehling, Felix:
This assumes that page tables are resident when a page fault is handled.
Yeah, that is correct. I also haven't completely figured out how we can
prevent the VM from being destroyed while handling the fault.
I mean it's perfectly possible that
This assumes that page tables are resident when a page fault is handled.
I think it's possible that a page table gets evicted while a page fault
is pending. Maybe not with graphics, but definitely with compute where
waves can be preempted while waiting for a page fault. In that case the
direct
Am 28.06.19 um 16:30 schrieb Chunming Zhou:
在 2019/6/28 20:18, Christian König 写道:
This allows us to update page tables directly while in a page fault.
Signed-off-by: Christian König
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 5
drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c |
在 2019/6/28 20:18, Christian König 写道:
> This allows us to update page tables directly while in a page fault.
>
> Signed-off-by: Christian König
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 5
> drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c | 4 +++
>
This allows us to update page tables directly while in a page fault.
Signed-off-by: Christian König
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 5
drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c | 4 +++
drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c | 29 +
3 files
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