* [folded-merged] userfaultfd-mfill_atomic-remove-retry-logic-fix.patch removed from -mm tree
@ 2026-04-02 18:23 Andrew Morton
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From: Andrew Morton @ 2026-04-02 18:23 UTC (permalink / raw)
To: mm-commits, willy, vbabka, surenb, shuah, seanjc, peterx,
pbonzini, osalvador, muchun.song, mhocko, ljs, liam.howlett,
kalyazin, jthoughton, hughd, harry.yoo, harry, david, baolin.wang,
axelrasmussen, avagin, aarcange, rppt, akpm
The quilt patch titled
Subject: userfaultfd: remove safety measure of not returning ENOENT from _copy
has been removed from the -mm tree. Its filename was
userfaultfd-mfill_atomic-remove-retry-logic-fix.patch
This patch was dropped because it was folded into userfaultfd-mfill_atomic-remove-retry-logic.patch
------------------------------------------------------
From: Mike Rapoport (Microsoft) <rppt@kernel.org>
Subject: userfaultfd: remove safety measure of not returning ENOENT from _copy
Date: Thu Apr 2 16:38:39 2026 +0300
Link: https://lkml.kernel.org/r/ac5zcDUY8CFHr6Lw@kernel.org
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Andrei Vagin <avagin@google.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: David Hildenbrand (Arm) <david@kernel.org>
Cc: Harry Yoo <harry.yoo@oracle.com>
Cc: Harry Yoo (Oracle) <harry@kernel.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: James Houghton <jthoughton@google.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes (Oracle) <ljs@kernel.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Nikita Kalyazin <kalyazin@amazon.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/userfaultfd.c | 3 ---
1 file changed, 3 deletions(-)
--- a/mm/userfaultfd.c~userfaultfd-mfill_atomic-remove-retry-logic-fix
+++ a/mm/userfaultfd.c
@@ -530,9 +530,6 @@ err_filemap_remove:
ops->filemap_remove(folio, state->vma);
err_folio_put:
folio_put(folio);
- /* Don't return -ENOENT so that our caller won't retry */
- if (ret == -ENOENT)
- ret = -EFAULT;
return ret;
}
_
Patches currently in -mm which might be from rppt@kernel.org are
userfaultfd-introduce-mfill_copy_folio_locked-helper.patch
userfaultfd-introduce-struct-mfill_state.patch
userfaultfd-introduce-mfill_establish_pmd-helper.patch
userfaultfd-introduce-mfill_get_vma-and-mfill_put_vma.patch
userfaultfd-retry-copying-with-locks-dropped-in-mfill_atomic_pte_copy.patch
userfaultfd-move-vma_can_userfault-out-of-line.patch
userfaultfd-introduce-vm_uffd_ops.patch
shmem-userfaultfd-use-a-vma-callback-to-handle-uffdio_continue.patch
userfaultfd-introduce-vm_uffd_ops-alloc_folio.patch
shmem-userfaultfd-implement-shmem-uffd-operations-using-vm_uffd_ops.patch
userfaultfd-mfill_atomic-remove-retry-logic.patch
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2026-04-02 18:23 [folded-merged] userfaultfd-mfill_atomic-remove-retry-logic-fix.patch removed from -mm tree Andrew Morton
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