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Message-ID: <e648436f-f95c-f0e5-f341-3e640bfe1495@linuxfoundation.org>
Date: Mon, 28 Aug 2023 12:32:58 -0600
From: Shuah Khan <skhan@...uxfoundation.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Willy Tarreau <w@....eu>,
Thomas Weißschuh <thomas@...ch.de>,
"Paul E. McKenney" <paulmck@...nel.org>, shuah <shuah@...nel.org>,
Shuah Khan <skhan@...uxfoundation.org>,
Stephen Rothwell <sfr@...b.auug.org.au>,
Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
Christian Brauner <brauner@...nel.org>
Subject: [GIT PULL] nolibc changes for Linux 6.6-rc1
Hi Linus,
Please pull the nolibc update for Linux 6.6-rc1. This is the first
nolibc pull request since Paul and I took on the administrative
maintainer role going forward.
Please see notes at the end on two conflicts. Build and nolibc tests
were run on next.
This nolibc update for Linux 6.6-rc1 consists of:
Nolibc:
- improved portability by removing build errors with -ENOSYS
- added syscall6() on MIPS to support pselect6() and mmap()
- added setvbuf(), rmdir(), pipe(), pipe2()
- add support for ppc/ppc64
- environ is no longer optional
- fixed frame pointer issues at -O0
- dropped sys_stat() in favor of sys_statx()
- centralized _start_c() to remove lots of asm code
- switched size_t to __SIZE_TYPE__
Selftests:
- improved status reporting (success/warning/failure counts,
path to log file)
- various code cleanups (indent, unused variables, ...)
- more consistent test numbering
- enabled compiler warnings
- dropped unreliable chmod_net test
- improved reliability (create /dev/zero & /tmp, rely less on /proc)
- new tests (brk/sbrk/mmap/munmap)
- improved compatibility with musl
- new run-nolibc-test target to build and run natively
- new run-libc-test target to build and run against native libc
- made the cmdline parser more reliable against boolean arguments
- dropped dependency on memfd for vfprintf() test
- nolibc-test is no longer stripped
- added support for extending ARCH via XARCH
Other:
- add Thomas as co-maintainer
Please note that these patches have been in next for a couple of
weeks. I had to do a rebase to drop a vfs patch to resolve conflict
with vfs-brauner tree last week.
We still have the following conflicts with vfs-brauner tree and
the fix is in next.
tools/testing/selftests/nolibc/nolibc-test.c
between commit:
49319832de90 ("selftests/nolibc: drop test chmod_net")
from the vfs-brauner tree and commit:
148e9718e2a2 ("selftests/nolibc: add chmod_argv0 test")
from the nolibc tree.
A second note on conflict with mm-tree and the fix is in next:
tools/include/nolibc/stdio.h
between commit:
08d959738a95 ("selftests: line buffer test program's stdout")
from the mm-stable tree and commits:
65ff4d19f792 ("tools/nolibc/stdio: add setvbuf() to set buffering mode")
2e00a8fc4f47 ("tools/nolibc: setvbuf: avoid unused parameter warnings")
from the nolibc tree.
diff is attached.
thanks,
-- Shuah
----------------------------------------------------------------
The following changes since commit 06c2afb862f9da8dc5efa4b6076a0e48c3fbaaa5:
Linux 6.5-rc1 (2023-07-09 13:53:13 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest tags/linux-kselftest-nolibc-6.6-rc1
for you to fetch changes up to 556fb7131e03b0283672fb40f6dc2d151752aaa7:
tools/nolibc: avoid undesired casts in the __sysret() macro (2023-08-23 05:17:07 +0200)
----------------------------------------------------------------
linux-kselftest-nolibc-6.6-rc1
This nolibc update for Linux 6.6-rc1 consists of:
Nolibc:
- improved portability by removing build errors with -ENOSYS
- added syscall6() on MIPS to support pselect6() and mmap()
- added setvbuf(), rmdir(), pipe(), pipe2()
- add support for ppc/ppc64
- environ is no longer optional
- fixed frame pointer issues at -O0
- dropped sys_stat() in favor of sys_statx()
- centralized _start_c() to remove lots of asm code
- switched size_t to __SIZE_TYPE__
Selftests:
- improved status reporting (success/warning/failure counts,
path to log file)
- various code cleanups (indent, unused variables, ...)
- more consistent test numbering
- enabled compiler warnings
- dropped unreliable chmod_net test
- improved reliability (create /dev/zero & /tmp, rely less on /proc)
- new tests (brk/sbrk/mmap/munmap)
- improved compatibility with musl
- new run-nolibc-test target to build and run natively
- new run-libc-test target to build and run against native libc
- made the cmdline parser more reliable against boolean arguments
- dropped dependency on memfd for vfprintf() test
- nolibc-test is no longer stripped
- added support for extending ARCH via XARCH
Other:
- add Thomas as co-maintainer
----------------------------------------------------------------
Ryan Roberts (1):
tools/nolibc/stdio: add setvbuf() to set buffering mode
Thomas Weißschuh (21):
selftests/nolibc: simplify call to ioperm
tools/nolibc: completely remove optional environ support
selftests/nolibc: make evaluation of test conditions
selftests/nolibc: simplify status printing
selftests/nolibc: avoid gaps in test numbers
selftests/nolibc: avoid buffer underrun in space printing
tools/nolibc: drop unused variables
tools/nolibc: fix return type of getpagesize()
tools/nolibc: setvbuf: avoid unused parameter warnings
tools/nolibc: sys: avoid implicit sign cast
tools/nolibc: stdint: use __SIZE_TYPE__ for size_t
selftests/nolibc: drop unused variables
selftests/nolibc: mark test helpers as potentially unused
selftests/nolibc: make functions static if possible
selftests/nolibc: avoid unused parameter warnings
selftests/nolibc: avoid sign-compare warnings
selftests/nolibc: use correct return type for read() and write()
selftests/nolibc: prevent out of bounds access in expect_vfprintf
selftests/nolibc: don't strip nolibc-test
selftests/nolibc: enable compiler warnings
MAINTAINERS: nolibc: add myself as co-maintainer
Willy Tarreau (3):
selftests/nolibc: avoid warnings during intptr tests
tools/nolibc: keep brk(), sbrk(), mmap() away from __sysret()
tools/nolibc: avoid undesired casts in the __sysret() macro
Yuan Tan (2):
tools/nolibc: add pipe() and pipe2() support
selftests/nolibc: add testcase for pipe
Zhangjin Wu (76):
selftests/nolibc: add a standalone test report macro
selftests/nolibc: always print the path to test log file
selftests/nolibc: restore the failed tests print
tools/nolibc: fix up #error compile failures with -ENOSYS
tools/nolibc: fix up undeclared syscall macros with #ifdef and -ENOSYS
tools/nolibc: sys.h: add a syscall return helper
tools/nolibc: unistd.h: apply __sysret() helper
tools/nolibc: sys.h: apply __sysret() helper
tools/nolibc: unistd.h: reorder the syscall macros
tools/nolibc: arch-*.h: fix up code indent errors
toolc/nolibc: arch-*.h: clean up whitespaces after __asm__
tools/nolibc: arch-loongarch.h: shrink with _NOLIBC_SYSCALL_CLOBBERLIST
tools/nolibc: arch-mips.h: shrink with _NOLIBC_SYSCALL_CLOBBERLIST
tools/nolibc: add missing my_syscall6() for mips
tools/nolibc: __sysret: support syscalls who return a pointer
tools/nolibc: clean up mmap() routine
tools/nolibc: clean up sbrk() routine
selftests/nolibc: export argv0 for some tests
selftests/nolibc: prepare: create /dev/zero
selftests/nolibc: add EXPECT_PTREQ, EXPECT_PTRNE and EXPECT_PTRER
selftests/nolibc: add sbrk_0 to test current brk getting
selftests/nolibc: add mmap_bad test case
selftests/nolibc: add munmap_bad test case
selftests/nolibc: add mmap_munmap_good test case
selftests/nolibc: add run-libc-test target
selftests/nolibc: stat_fault: silence NULL argument warning with glibc
selftests/nolibc: gettid: restore for glibc and musl
selftests/nolibc: add _LARGEFILE64_SOURCE for musl
selftests/nolibc: fix up int_fast16/32_t test cases for musl
tools/nolibc: types.h: add RB_ flags for reboot()
selftests/nolibc: prefer <sys/reboot.h> to <linux/reboot.h>
selftests/nolibc: fix up kernel parameters support
selftests/nolibc: link_cross: use /proc/self/cmdline
tools/nolibc: add rmdir() support
selftests/nolibc: add a new rmdir() test case
selftests/nolibc: fix up failures when CONFIG_PROC_FS=n
selftests/nolibc: prepare /tmp for tests that need to write
selftests/nolibc: vfprintf: remove MEMFD_CREATE dependency
selftests/nolibc: chdir_root: restore current path after test
selftests/nolibc: stat_timestamps: remove procfs dependency
selftests/nolibc: chroot_exe: remove procfs dependency
selftests/nolibc: add chmod_argv0 test
selftests/nolibc: report: print a summarized test status
selftests/nolibc: report: print total tests
selftests/nolibc: report: align passed, skipped and failed
selftests/nolibc: report: extrude the test status line
selftests/nolibc: report: add newline before test failures
tools/nolibc: arch-*.h: add missing space after ','
tools/nolibc: fix up startup failures for -O0 under gcc < 11.1.0
tools/nolibc: remove the old sys_stat support
tools/nolibc: add new crt.h with _start_c
tools/nolibc: stackprotector.h: add empty __stack_chk_init for !_NOLIBC_STACKPROTECTOR
tools/nolibc: crt.h: initialize stack protector
tools/nolibc: arm: shrink _start with _start_c
tools/nolibc: aarch64: shrink _start with _start_c
tools/nolibc: i386: shrink _start with _start_c
tools/nolibc: x86_64: shrink _start with _start_c
tools/nolibc: mips: shrink _start with _start_c
tools/nolibc: loongarch: shrink _start with _start_c
tools/nolibc: riscv: shrink _start with _start_c
tools/nolibc: s390: shrink _start with _start_c
selftests/nolibc: add EXPECT_PTRGE, EXPECT_PTRGT, EXPECT_PTRLE, EXPECT_PTRLT
selftests/nolibc: add testcases for startup code
selftests/nolibc: allow run nolibc-test locally
selftests/nolibc: allow test -include /path/to/nolibc.h
selftests/nolibc: mmap_munmap_good: fix up return value
tools/nolibc: add support for powerpc
tools/nolibc: add support for powerpc64
selftests/nolibc: add XARCH and ARCH mapping support
selftests/nolibc: add test support for ppc
selftests/nolibc: add test support for ppc64le
selftests/nolibc: add test support for ppc64
selftests/nolibc: allow report with existing test log
tools/nolibc: stackprotector.h: make __stack_chk_init static
selftests/nolibc: libc-test: use HOSTCC instead of CC
tools/nolibc: silence ppc64 compile warnings
MAINTAINERS | 1 +
tools/include/nolibc/Makefile | 1 +
tools/include/nolibc/arch-aarch64.h | 85 +---
tools/include/nolibc/arch-arm.h | 111 +----
tools/include/nolibc/arch-i386.h | 86 +---
tools/include/nolibc/arch-loongarch.h | 83 +---
tools/include/nolibc/arch-mips.h | 147 +++----
tools/include/nolibc/arch-powerpc.h | 221 ++++++++++
tools/include/nolibc/arch-riscv.h | 83 +---
tools/include/nolibc/arch-s390.h | 77 +---
tools/include/nolibc/arch-x86_64.h | 86 +---
tools/include/nolibc/arch.h | 2 +
tools/include/nolibc/crt.h | 61 +++
tools/include/nolibc/nolibc.h | 9 +-
tools/include/nolibc/stackprotector.h | 5 +-
tools/include/nolibc/stdint.h | 2 +-
tools/include/nolibc/stdio.h | 27 ++
tools/include/nolibc/stdlib.h | 12 +-
tools/include/nolibc/sys.h | 534 +++++++----------------
tools/include/nolibc/types.h | 22 +-
tools/include/nolibc/unistd.h | 13 +-
tools/testing/selftests/nolibc/Makefile | 111 +++--
tools/testing/selftests/nolibc/nolibc-test.c | 608 ++++++++++++++++++++-------
23 files changed, 1221 insertions(+), 1166 deletions(-)
create mode 100644 tools/include/nolibc/arch-powerpc.h
create mode 100644 tools/include/nolibc/crt.h
----------------------------------------------------------------
View attachment "linux-kselftest-nolibc-6.6-rc1.diff" of type "text/x-patch" (164846 bytes)
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