linux-kernel - [GIT PULL] nolibc changes for v6.1

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Date:   Sat, 1 Oct 2022 20:23:42 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     torvalds@...ux-foundation.org
Cc:     linux-kernel@...r.kernel.org, kernel-team@...com, w@....eu
Subject: [GIT PULL] nolibc changes for v6.1

Hello, Linus,

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

  git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git tags/nolibc.2022.09.30a
  HEAD: 43cf168fa99992ee70ff041a61f866f56aa47f3b: selftests/nolibc: Avoid generated files being committed (2022-08-31 05:17:45 -0700)

----------------------------------------------------------------
nolibc pull request for v6.1

This pull request provides nolibc updates, most notably greatly improved
testing.  These tests are located in tools/testing/selftests/nolibc.  The
output of "make help" is as follows:

	Supported targets under selftests/nolibc:
	  all          call the "run" target below
	  help         this help
	  sysroot      create the nolibc sysroot here (uses $ARCH)
	  nolibc-test  build the executable (uses $CC and $CROSS_COMPILE)
	  initramfs    prepare the initramfs with nolibc-test
	  defconfig    create a fresh new default config (uses $ARCH)
	  kernel       (re)build the kernel with the initramfs (uses $ARCH)
	  run          runs the kernel in QEMU after building it (uses $ARCH, $TEST)
	  rerun        runs a previously prebuilt kernel in QEMU (uses $ARCH, $TEST)
	  clean        clean the sysroot, initramfs, build and output files

	The output file is "run.out". Test ranges may be passed using $TEST.

	Currently using the following variables:
	  ARCH          = x86
	  CROSS_COMPILE =
	  CC            = gcc
	  OUTPUT        = /home/git/linux-rcu/tools/testing/selftests/nolibc/
	  TEST          =
	  QEMU_ARCH     = x86_64 [determined from $ARCH]
	  IMAGE_NAME    = bzImage [determined from $ARCH]

The output of a successful x86 "make run" is currently as follows,
with kernel build output omitted:

	$ make run
	71 test(s) passed.
	$

----------------------------------------------------------------
Fernanda Ma'rouf (1):
      selftests/nolibc: Avoid generated files being committed

Willy Tarreau (17):
      tools/nolibc: make argc 32-bit in riscv startup code
      tools/nolibc: fix build warning in sys_mmap() when my_syscall6 is not defined
      tools/nolibc: make sys_mmap() automatically use the right __NR_mmap definition
      selftests/nolibc: add basic infrastructure to ease creation of nolibc tests
      selftests/nolibc: support a test definition format
      selftests/nolibc: implement a few tests for various syscalls
      selftests/nolibc: add a few tests for some libc functions
      selftests/nolibc: exit with poweroff on success when getpid() == 1
      selftests/nolibc: on x86, support exiting with isa-debug-exit
      selftests/nolibc: recreate and populate /dev and /proc if missing
      selftests/nolibc: condition some tests on /proc existence
      selftests/nolibc: support glibc as well
      selftests/nolibc: add a "kernel" target to build the kernel with the initramfs
      selftests/nolibc: add a "defconfig" target
      selftests/nolibc: add a "run" target to start the kernel in QEMU
      selftests/nolibc: "sysroot" target installs a local copy of the sysroot
      selftests/nolibc: add a "help" target

 MAINTAINERS                                  |   1 +
 tools/include/nolibc/arch-riscv.h            |   2 +-
 tools/include/nolibc/sys.h                   |   4 +-
 tools/testing/selftests/nolibc/.gitignore    |   4 +
 tools/testing/selftests/nolibc/Makefile      | 135 +++++
 tools/testing/selftests/nolibc/nolibc-test.c | 757 +++++++++++++++++++++++++++
 6 files changed, 900 insertions(+), 3 deletions(-)
 create mode 100644 tools/testing/selftests/nolibc/.gitignore
 create mode 100644 tools/testing/selftests/nolibc/Makefile
 create mode 100644 tools/testing/selftests/nolibc/nolibc-test.c