Hi Linus,

Please pull the following Kselftest update for Linux 6.4-rc1.

This Kselftest update for Linux 6.4-rc1 consists of:

- several patches to enhance and fix resctrl test
- nolibc support for kselftest with an addition to vprintf() to
   tools/nolibc/stdio and related test changes
- Refactor 'peeksiginfo' ptrace test part
- add 'malloc' failures checks in cgroup test_memcontrol
- a new prctl test
- enhancements sched test with additional ore schedule prctl calls

diff is attached.

thanks,
-- Shuah

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The following changes since commit fe15c26ee26efa11741a7b632e9f23b01aca4cc6:

   Linux 6.3-rc1 (2023-03-05 14:52:03 -0800)

are available in the Git repository at:

   git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest tags/linux-kselftest-next-6.4-rc1

for you to fetch changes up to 50ad2fb7ec2b18186b8a4fa1c0e00f78b3de5119:

   selftests/resctrl: Fix incorrect error return on test complete (2023-04-14 11:13:18 -0600)

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linux-kselftest-next-6.4-rc1

linux-kselftest-next-6.4-rc1

This Kselftest update for Linux 6.4-rc1 consists of:

- several patches to enhance and fix resctrl test
- nolibc support for kselftest with an addition to vprintf() to
   tools/nolibc/stdio and related test changes
- Refactor 'peeksiginfo' ptrace test part
- add 'malloc' failures checks in cgroup test_memcontrol
- a new prctl test
- enhancements sched test with additional ore schedule prctl calls

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Fenghua Yu (1):
       selftests/resctrl: Change name from CBM_MASK_PATH to INFO_PATH

Ilpo Järvinen (8):
       selftests/resctrl: Return NULL if malloc_and_init_memory() did not alloc mem
       selftests/resctrl: Move ->setup() call outside of test specific branches
       selftests/resctrl: Allow ->setup() to return errors
       selftests/resctrl: Check for return value after write_schemata()
       selftests/resctrl: Replace obsolete memalign() with posix_memalign()
       selftests/resctrl: Change initialize_llc_perf() return type to void
       selftests/resctrl: Use remount_resctrlfs() consistently with boolean
       selftests/resctrl: Correct get_llc_perf() param in function comment

Ivan Orlov (4):
       selftests: Refactor 'peeksiginfo' ptrace test part
       selftests: cgroup: Add 'malloc' failures checks in test_memcontrol
       selftests: sched: Add more core schedule prctl calls
       selftests: prctl: Add new prctl test for PR_SET_VMA action

Mark Brown (3):
       tools/nolibc/stdio: Implement vprintf()
       kselftest: Support nolibc
       kselftest/arm64: Convert za-fork to use kselftest.h

Peter Newman (1):
       selftests/resctrl: Use correct exit code when tests fail

Reinette Chatre (1):
       selftests/resctrl: Fix incorrect error return on test complete

Shaopeng Tan (6):
       selftests/resctrl: Fix set up schemata with 100% allocation on first run in MBM test

       selftests/resctrl: Return MBA check result and make it to output message
       selftests/resctrl: Flush stdout file buffer before executing fork()
       selftests/resctrl: Cleanup properly when an error occurs in CAT test
       selftests/resctrl: Commonize the signal handler register/unregister for all tests
       selftests/resctrl: Remove duplicate codes that clear each test result file

Sukrut Bellary (1):
       kselftest: amd-pstate: Fix spelling mistakes

  tools/include/nolibc/stdio.h                       |   6 ++
  tools/testing/selftests/Makefile                   |   1 +
  tools/testing/selftests/amd-pstate/gitsource.sh    |   4 +-
  tools/testing/selftests/amd-pstate/run.sh          |   4 +-
  tools/testing/selftests/arm64/fp/Makefile          |   2 +-
  tools/testing/selftests/arm64/fp/za-fork.c         |  88 ++++-------------
  tools/testing/selftests/cgroup/test_memcontrol.c   |  15 +++
  tools/testing/selftests/kselftest.h                |   2 +
  tools/testing/selftests/prctl/.gitignore           |   1 +
  tools/testing/selftests/prctl/Makefile             |   2 +-
  tools/testing/selftests/prctl/config               |   1 +
  .../selftests/prctl/set-anon-vma-name-test.c       | 104 +++++++++++++++++++++
  tools/testing/selftests/ptrace/peeksiginfo.c       |  14 +--
  tools/testing/selftests/resctrl/cache.c            |  17 ++--
  tools/testing/selftests/resctrl/cat_test.c         |  33 ++++---
  tools/testing/selftests/resctrl/cmt_test.c         |  16 ++--
  tools/testing/selftests/resctrl/fill_buf.c         |  21 +----
  tools/testing/selftests/resctrl/mba_test.c         |  34 ++++---
  tools/testing/selftests/resctrl/mbm_test.c         |  22 ++---
  tools/testing/selftests/resctrl/resctrl.h          |   8 +-
  tools/testing/selftests/resctrl/resctrl_tests.c    |  14 +--
  tools/testing/selftests/resctrl/resctrl_val.c      |  88 +++++++++++------
  tools/testing/selftests/resctrl/resctrlfs.c        |   7 +-
  tools/testing/selftests/sched/cs_prctl_test.c      |   6 ++
  24 files changed, 306 insertions(+), 204 deletions(-)
  create mode 100644 tools/testing/selftests/prctl/config
  create mode 100644 tools/testing/selftests/prctl/set-anon-vma-name-test.c

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