From 052d9b0f7ae1200b4a0783cf934ee4a987d37fd7 Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Wed, 16 Nov 2022 11:26:58 +0100 Subject: 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 Acked-by: Oded Gabbay Cc: Oded Gabbay Cc: Arnd Bergmann Cc: Greg Kroah-Hartman Signed-off-by: Andrew Morton --- drivers/misc/habanalabs/common/memory.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/misc') 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) { -- cgit v1.2.3