linux-kernel - [PATCH v2 00/11] A minor flurry of selftest/mm fixes

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Message-ID: <20230620011719.155379-2-jhubbard@nvidia.com>
Date:   Mon, 19 Jun 2023 18:17:08 -0700
From:   John Hubbard <jhubbard@...dia.com>
To:     David Hildenbrand <david@...hat.com>,
        Oscar Salvador <osalvador@...e.de>
CC:     Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
        John Hubbard <jhubbard@...dia.com>
Subject: [PATCH v2 00/11] A minor flurry of selftest/mm fixes

Hi,

This is v2 of a series that fixes up build errors and warnings for at
least the 64-bit builds on x86 with clang.

There are lots of changes since v1 [1], thanks to reviews from Peter Xu, David
Hildenbrand, and Muhammad Usama Anjum. These include:

* Using "make headers", and documenting that prerequisite as well.
* Better ways to avoid clang's Wformat-security warnings
* Added Cc's, ack-by's, reviewed-by's.
* Updated commit log messages.

The series also includes an optional "improvement" of moving some uffd
code into uffd-common.[ch], which is proving to be somewhat
controversial, and so if that doesn't get resolved, then patches 9 and
10 may just get dropped. They are not required in order to get a clean
build, now that "make headers" is happening.

[1]: https://lore.kernel.org/all/20230602013358.900637-1-jhubbard@nvidia.com/

thanks,

John Hubbard
NVIDIA

John Hubbard (11):
  selftests/mm: fix uffd-stress unused function warning
  selftests/mm: fix unused variable warnings in hugetlb-madvise.c,
    migration.c
  selftests/mm: fix "warning: expression which evaluates to zero..." in
    mlock2-tests.c
  selftests/mm: fix invocation of tests that are run via shell scripts
  selftests/mm: .gitignore: add mkdirty, va_high_addr_switch
  selftests/mm: fix two -Wformat-security warnings in uffd builds
  selftests/mm: fix a "possibly uninitialized" warning in pkey-x86.h
  selftests/mm: fix uffd-unit-tests.c build failure due to missing
    MADV_COLLAPSE
  selftests/mm: move psize(), pshift() into vm_utils.c
  selftests/mm: move uffd* routines from vm_util.c to uffd-common.c
  Documentation: kselftest: "make headers" is a prerequisite

 Documentation/dev-tools/kselftest.rst         |   1 +
 tools/testing/selftests/mm/.gitignore         |   2 +
 tools/testing/selftests/mm/Makefile           |   7 +-
 tools/testing/selftests/mm/cow.c              |   7 --
 tools/testing/selftests/mm/hugepage-mremap.c  |   2 +-
 tools/testing/selftests/mm/hugetlb-madvise.c  |   8 +-
 tools/testing/selftests/mm/khugepaged.c       |  10 --
 .../selftests/mm/ksm_functional_tests.c       |   2 +-
 tools/testing/selftests/mm/migration.c        |   5 +-
 tools/testing/selftests/mm/mlock2-tests.c     |   1 -
 tools/testing/selftests/mm/pkey-x86.h         |   2 +-
 tools/testing/selftests/mm/run_vmtests.sh     |   6 +-
 tools/testing/selftests/mm/uffd-common.c      | 105 +++++++++++++++++
 tools/testing/selftests/mm/uffd-common.h      |  12 +-
 tools/testing/selftests/mm/uffd-stress.c      |  10 --
 tools/testing/selftests/mm/uffd-unit-tests.c  |  16 +--
 tools/testing/selftests/mm/vm_util.c          | 106 ++----------------
 tools/testing/selftests/mm/vm_util.h          |  36 ++----
 18 files changed, 165 insertions(+), 173 deletions(-)


base-commit: 929ed21dfdb6ee94391db51c9eedb63314ef6847
-- 
2.40.1