[GIT PULL] nolibc changes for v6.15

[Paul E. McKenney]

Hello, Linus,

Once the v6.15 merge window opens, please pull the latest nolibc
changes from:

  git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu tags/nolibc-20250308-for-6.15-1
  # HEAD: bceb73904c855c78402dca94c82915f078f259dd: tools/nolibc: don't use asm/ UAPI headers (2025-03-08 13:18:27 +0100)

----------------------------------------------------------------
nolibc changes for 6.15

Changes
-------

* 32bit s390 support
* opendir() and friends
* openat() support
* sscanf() support
* various cleanups

----------------------------------------------------------------
Louis Taylor (5):
      tools/nolibc: add support for openat(2)
      tools/nolibc: always use openat(2) instead of open(2)
      tools/nolibc: process open() vararg as mode_t
      tools/nolibc: drop outdated example from overview comment
      selftests/nolibc: use O_RDONLY flag instead of 0

Thomas Weißschuh (21):
      tools/nolibc: add prototypes for non-static functions
      selftests/nolibc: ignore -Wmissing-prototypes
      selftests/nolibc: enable -Wmissing-prototypes
      tools/nolibc: make signature of ioctl() more flexible
      selftests/nolibc: drop mips32be EXTRACONFIG
      selftests/nolibc: drop call to prepare target
      selftests/nolibc: drop call to mrproper target
      selftests/nolibc: execute defconfig before other targets
      selftests/nolibc: always keep test kernel configuration up to date
      tools/nolibc: add support for sys_llseek()
      tools/nolibc: add support for directory access
      selftests/nolibc: split up architecture list in run-tests.sh
      selftests/nolibc: only run constructor tests on nolibc
      selftests/nolibc: rename s390 to s390x
      tools/nolibc: add support for 32-bit s390
      tools/nolibc: add support for [v]sscanf()
      Revert "selftests: kselftest: Fix build failure with NOLIBC"
      selftests/nolibc: explicitly enable ARM mode
      selftests/nolibc: add armthumb configuration
      selftests/nolibc: stop testing constructor order
      tools/nolibc: don't use asm/ UAPI headers

 tools/include/nolibc/Makefile                      |   1 +
 tools/include/nolibc/arch-mips.h                   |   1 +
 tools/include/nolibc/arch-s390.h                   |   9 +-
 tools/include/nolibc/arch.h                        |   2 +-
 tools/include/nolibc/crt.h                         |   2 +
 tools/include/nolibc/dirent.h                      |  98 +++++++++++++++
 tools/include/nolibc/errno.h                       |   2 +-
 tools/include/nolibc/nolibc.h                      |   4 +-
 tools/include/nolibc/signal.h                      |   1 +
 tools/include/nolibc/stackprotector.h              |   2 +
 tools/include/nolibc/stdio.h                       |  98 +++++++++++++++
 tools/include/nolibc/stdlib.h                      |   1 +
 tools/include/nolibc/string.h                      |   4 +
 tools/include/nolibc/sys.h                         |  83 +++++++++----
 tools/testing/selftests/kselftest.h                |   5 -
 tools/testing/selftests/nolibc/Makefile            |  30 +++--
 .../testing/selftests/nolibc/nolibc-test-linkage.c |   6 +-
 tools/testing/selftests/nolibc/nolibc-test.c       | 138 ++++++++++++++++++++-
 tools/testing/selftests/nolibc/run-tests.sh        |  26 +++-
 19 files changed, 457 insertions(+), 56 deletions(-)
 create mode 100644 tools/include/nolibc/dirent.h