On 10/7/20 9:44 AM, Daniel Vetter wrote:
These are persistent, not just for the duration of a dma operation.
Signed-off-by: Daniel Vetter <[email protected]>
Cc: Jason Gunthorpe <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: John Hubbard <[email protected]>
Cc: Jérôme Glisse <[email protected]>
Cc: Jan Kara <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: Oded Gabbay <[email protected]>
Cc: Omer Shpigelman <[email protected]>
Cc: Ofir Bitton <[email protected]>
Cc: Tomer Tayar <[email protected]>
Cc: Moti Haimovski <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Pawel Piskorski <[email protected]>
---
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 ef89cfa2f95a..94bef8faa82a 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) {
Again, from a pin_user_pages_fast() point of view, and not being at all familiar
with the habana driver (but their use of this really does seem clearly
_LONGTERM!):
Reviewed-by: John Hubbard <[email protected]>
thanks,
--
John Hubbard
NVIDIA
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