linux-kernel - [PATCH v2 0/5] userfaultfd/selftests: A few cleanups

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Message-Id: <20210412232753.1012412-1-peterx@redhat.com>
Date:   Mon, 12 Apr 2021 19:27:48 -0400
From:   Peter Xu <peterx@...hat.com>
To:     linux-mm@...ck.org, linux-kernel@...r.kernel.org
Cc:     Andrea Arcangeli <aarcange@...hat.com>, peterx@...hat.com,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        Axel Rasmussen <axelrasmussen@...gle.com>
Subject: [PATCH v2 0/5] userfaultfd/selftests: A few cleanups

v2:
- rebase to v5.12-rc7-mmots-2021-04-11-20-49
- collect r-bs from Axel

I wanted to cleanup userfaultfd.c fault handling for a long time. If it's not
cleaned, when the new code grows the file it'll also grow the size that needs
to be cleaned...  This is my attempt to cleanup the userfaultfd selftest on
fault handling, to use an err() macro instead of either fprintf() or perror()
then another exit() call.

The huge cleanup is done in the last patch.  The first 4 patches are some other
standalone cleanups for the same file, so I put them together.

Please review, thanks.

Peter Xu (5):
  userfaultfd/selftests: Use user mode only
  userfaultfd/selftests: Remove the time() check on delayed uffd
  userfaultfd/selftests: Dropping VERIFY check in locking_thread
  userfaultfd/selftests: Only dump counts if mode enabled
  userfaultfd/selftests: Unify error handling

 tools/testing/selftests/vm/userfaultfd.c | 649 ++++++++---------------
 1 file changed, 208 insertions(+), 441 deletions(-)

-- 
2.26.2