Re: [PATCH 03/13] misc/habana: Stop using frame_vector helpers

[John Hubbard <jhubbard@xxxxxxxxxx>]

On 10/7/20 9:44 AM, Daniel Vetter wrote:
...
> @@ -1414,15 +1410,10 @@ void hl_unpin_host_memory(struct hl_device *hdev, struct hl_userptr *userptr)
>   							userptr->sgt->nents,
>   							userptr->dir);
>   
> -	pages = frame_vector_pages(userptr->vec);
> -	if (!IS_ERR(pages)) {
> -		int i;
> -
> -		for (i = 0; i < frame_vector_count(userptr->vec); i++)
> -			set_page_dirty_lock(pages[i]);
> -	}
> -	put_vaddr_frames(userptr->vec);
> -	frame_vector_destroy(userptr->vec);
> +	for (i = 0; i < userptr->npages; i++)
> +		set_page_dirty_lock(userptr->pages[i]);
> +	unpin_user_pages(userptr->pages, userptr->npages);
> +	kvfree(userptr->pages);

Same thing here as in patch 1: you can further simplify by using
unpin_user_pages_dirty_lock().

>   
>   	list_del(&userptr->job_node);
>   

thanks,
--
John Hubbard
NVIDIA