Hi Oded,
Did testing on your end turn up anything, or can I put an
ack&tested-by from you on the two habana patches for the next round?
Thanks, Daniel
On Wed, Oct 21, 2020 at 10:57 AM Daniel Vetter <daniel.vetter@xxxxxxxx> wrote:
>
> These are persistent, not just for the duration of a dma operation.
>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> Cc: Jason Gunthorpe <jgg@xxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: John Hubbard <jhubbard@xxxxxxxxxx>
> Cc: Jérôme Glisse <jglisse@xxxxxxxxxx>
> Cc: Jan Kara <jack@xxxxxxx>
> Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
> Cc: linux-mm@xxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-samsung-soc@xxxxxxxxxxxxxxx
> Cc: linux-media@xxxxxxxxxxxxxxx
> Cc: Oded Gabbay <oded.gabbay@xxxxxxxxx>
> Cc: Omer Shpigelman <oshpigelman@xxxxxxxxx>
> Cc: Ofir Bitton <obitton@xxxxxxxxx>
> Cc: Tomer Tayar <ttayar@xxxxxxxxx>
> Cc: Moti Haimovski <mhaimovski@xxxxxxxxx>
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: Pawel Piskorski <ppiskorski@xxxxxxxxx>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> ---
> drivers/misc/habanalabs/common/memory.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/misc/habanalabs/common/memory.c b/drivers/misc/habanalabs/common/memory.c
> index 327b64479f97..767d3644c033 100644
> --- a/drivers/misc/habanalabs/common/memory.c
> +++ b/drivers/misc/habanalabs/common/memory.c
> @@ -1288,7 +1288,8 @@ static int get_user_memory(struct hl_device *hdev, u64 addr, u64 size,
> return -ENOMEM;
> }
>
> - rc = pin_user_pages_fast(start, npages, FOLL_FORCE | FOLL_WRITE,
> + rc = pin_user_pages_fast(start, npages,
> + FOLL_FORCE | FOLL_WRITE | FOLL_LONGTERM,
> userptr->pages);
>
> if (rc != npages) {
> --
> 2.28.0
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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