The quilt patch titled Subject: mm-hugetlb-fix-uffd-wr-protection-for-cow-optimization-path-v3 has been removed from the -mm tree. Its filename was mm-hugetlb-fix-uffd-wr-protection-for-cow-optimization-path-v3.patch

This patch was dropped because it was folded into mm-hugetlb-fix-uffd-wr-protection-for-cow-optimization-path.patch

------------------------------------------------------ From: Peter Xu peterx@redhat.com Subject: mm-hugetlb-fix-uffd-wr-protection-for-cow-optimization-path-v3 Date: Fri, 24 Mar 2023 10:26:20 -0400

Link: https://lkml.kernel.org/r/20230324142620.2344140-1-peterx@redhat.com Reported-by: Muhammad Usama Anjum usama.anjum@collabora.com Cc: linux-stable stable@vger.kernel.org Fixes: 166f3ecc0daf ("mm/hugetlb: hook page faults for uffd write protection") Signed-off-by: Peter Xu peterx@redhat.com Signed-off-by: Andrew Morton akpm@linux-foundation.org ---

mm/hugetlb.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/mm/hugetlb.c~mm-hugetlb-fix-uffd-wr-protection-for-cow-optimization-path-v3 +++ a/mm/hugetlb.c @@ -5491,11 +5491,11 @@ static vm_fault_t hugetlb_wp(struct mm_s * Never handle CoW for uffd-wp protected pages. It should be only * handled when the uffd-wp protection is removed. * - * Note that only the CoW optimization path can trigger this and - * got skipped, because hugetlb_fault() will always resolve uffd-wp - * bit first. + * Note that only the CoW optimization path (in hugetlb_no_page()) + * can trigger this, because hugetlb_fault() will always resolve + * uffd-wp bit first. */ - if (huge_pte_uffd_wp(pte)) + if (!unshare && huge_pte_uffd_wp(pte)) return 0;

/* _

Patches currently in -mm which might be from peterx@redhat.com are

mm-hugetlb-fix-uffd-wr-protection-for-cow-optimization-path.patch mm-khugepaged-check-again-on-anon-uffd-wp-during-isolation.patch mm-uffd-uffd_feature_wp_unpopulated.patch mm-uffd-uffd_feature_wp_unpopulated-fix.patch selftests-mm-smoke-test-uffd_feature_wp_unpopulated.patch