diff options
| author | David Hildenbrand <david@redhat.com> | 2022-11-16 13:26:58 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-12-01 02:59:00 +0300 |
| commit | 052d9b0f7ae1200b4a0783cf934ee4a987d37fd7 (patch) | |
| tree | e1d216892d6cb2bcc0c8ac37fa9cfced42941ecc /drivers/misc/habanalabs/common/memory.c | |
| parent | 20ea7783236c374ddb7f201132a5fb9624563a77 (diff) | |
| download | linux-052d9b0f7ae1200b4a0783cf934ee4a987d37fd7.tar.xz | |
habanalabs: remove FOLL_FORCE usage
FOLL_FORCE is really only for ptrace access. As we unpin the pinned pages
using unpin_user_pages_dirty_lock(true), the assumption is that all these
pages are writable.
FOLL_FORCE in this case seems to be due to copy-and-past from other
drivers. Let's just remove it.
Link: https://lkml.kernel.org/r/20221116102659.70287-20-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Acked-by: Oded Gabbay <ogabbay@kernel.org>
Cc: Oded Gabbay <ogabbay@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'drivers/misc/habanalabs/common/memory.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/memory.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/misc/habanalabs/common/memory.c b/drivers/misc/habanalabs/common/memory.c index ef28f3b37b93..e35cca96bbef 100644 --- a/drivers/misc/habanalabs/common/memory.c +++ b/drivers/misc/habanalabs/common/memory.c @@ -2312,8 +2312,7 @@ static int get_user_memory(struct hl_device *hdev, u64 addr, u64 size, if (!userptr->pages) return -ENOMEM; - rc = pin_user_pages_fast(start, npages, - FOLL_FORCE | FOLL_WRITE | FOLL_LONGTERM, + rc = pin_user_pages_fast(start, npages, FOLL_WRITE | FOLL_LONGTERM, userptr->pages); if (rc != npages) { |