The quilt patch titled
Subject: habanalabs: remove FOLL_FORCE usage
has been removed from the -mm tree. Its filename was
habanalabs-remove-foll_force-usage.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: David Hildenbrand <david@xxxxxxxxxx>
Subject: habanalabs: remove FOLL_FORCE usage
Date: Wed, 16 Nov 2022 11:26:58 +0100
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@xxxxxxxxxx
Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>
Acked-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
Cc: Oded Gabbay <ogabbay@xxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/misc/habanalabs/common/memory.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/misc/habanalabs/common/memory.c~habanalabs-remove-foll_force-usage
+++ a/drivers/misc/habanalabs/common/memory.c
@@ -2312,8 +2312,7 @@ static int get_user_memory(struct hl_dev
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) {
_
Patches currently in -mm which might be from david@xxxxxxxxxx are
selftests-vm-add-ksm-unmerge-tests.patch
mm-pagewalk-dont-trigger-test_walk-in-walk_page_vma.patch
selftests-vm-add-test-to-measure-madv_unmergeable-performance.patch
mm-ksm-simplify-break_ksm-to-not-rely-on-vm_fault_write.patch
mm-remove-vm_fault_write.patch
mm-ksm-fix-ksm-cow-breaking-with-userfaultfd-wp-via-fault_flag_unshare.patch
mm-pagewalk-add-walk_page_range_vma.patch
mm-ksm-convert-break_ksm-to-use-walk_page_range_vma.patch
mm-gup-remove-foll_migration.patch
