On 2025-12-07 07:39, Oleg Nesterov wrote:
> Cleanup and preparation to simplify the next changes.
>
> - Use current->tgid instead of current->group_leader->pid
>
> - Use get_task_pid(current, PIDTYPE_TGID) instead of
> get_task_pid(current->group_leader, PIDTYPE_PID)
>
> Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Felix Kuehling <felix.kuehling@amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 2 +-
> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> index b1c24c8fa686..df22b54ba346 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
> @@ -1421,7 +1421,7 @@ static int init_kfd_vm(struct amdgpu_vm *vm, void **process_info,
> goto create_evict_fence_fail;
> }
>
> - info->pid = get_task_pid(current->group_leader, PIDTYPE_PID);
> + info->pid = get_task_pid(current, PIDTYPE_TGID);
> INIT_DELAYED_WORK(&info->restore_userptr_work,
> amdgpu_amdkfd_restore_userptr_worker);
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index a67285118c37..a0f8ba382b9e 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -2554,7 +2554,7 @@ void amdgpu_vm_set_task_info(struct amdgpu_vm *vm)
> if (current->group_leader->mm != current->mm)
> return;
>
> - vm->task_info->tgid = current->group_leader->pid;
> + vm->task_info->tgid = current->tgid;
> get_task_comm(vm->task_info->process_name, current->group_leader);
> }
>