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This follow-up patch completes centralization of kselftest.h and
ksefltest_harness.h includes in remaining seltests files, replacing all
relative paths with a non-relative paths using shared -I include path in
lib.mk
Tested with gcc-13.3 and clang-18.1, and cross-compiled successfully on
riscv, arm64, x86_64 and powerpc arch.
[reddybalavignesh9979@gmail.com: add selftests include path for kselftest.h]
Link: https://lkml.kernel.org/r/20251017090201.317521-1-reddybalavignesh9979@gmail.com
Link: https://lkml.kernel.org/r/20251016104409.68985-1-reddybalavignesh9979@gmail.com
Signed-off-by: Bala-Vignesh-Reddy <reddybalavignesh9979@gmail.com>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Link: https://lore.kernel.org/lkml/20250820143954.33d95635e504e94df01930d0@linux-foundation.org/
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Günther Noack <gnoack@google.com>
Cc: Jakub Kacinski <kuba@kernel.org>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mickael Salaun <mic@digikod.net>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Simon Horman <horms@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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- Rename test from eventfd_chek_flag_cloexec_and_nonblock to
eventfd_check_flag_cloexec_and_nonblock.
- Make the RDWR‐flag comment declarative:
“The kernel automatically adds the O_RDWR flag.”
- Update semaphore‐flag failure message to:
“eventfd semaphore flag check failed: …”
Link: https://lkml.kernel.org/r/20250513074411.6965-1-seokwoo.chung130@gmail.com
Signed-off-by: Ryan Chung <seokwoo.chung130@gmail.com>
Reviewed-by: Wen Yang <wen.yang@linux.dev>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Add several new test cases which assert corner cases on the eventfd
mechanism, for example, the supplied buffer is less than 8 bytes,
attempting to write a value that is too large, etc.
./eventfd_test
# Starting 9 tests from 1 test cases.
# RUN global.eventfd_check_flag_rdwr ...
# OK global.eventfd_check_flag_rdwr
ok 1 global.eventfd_check_flag_rdwr
# RUN global.eventfd_check_flag_cloexec ...
# OK global.eventfd_check_flag_cloexec
ok 2 global.eventfd_check_flag_cloexec
# RUN global.eventfd_check_flag_nonblock ...
# OK global.eventfd_check_flag_nonblock
ok 3 global.eventfd_check_flag_nonblock
# RUN global.eventfd_chek_flag_cloexec_and_nonblock ...
# OK global.eventfd_chek_flag_cloexec_and_nonblock
ok 4 global.eventfd_chek_flag_cloexec_and_nonblock
# RUN global.eventfd_check_flag_semaphore ...
# OK global.eventfd_check_flag_semaphore
ok 5 global.eventfd_check_flag_semaphore
# RUN global.eventfd_check_write ...
# OK global.eventfd_check_write
ok 6 global.eventfd_check_write
# RUN global.eventfd_check_read ...
# OK global.eventfd_check_read
ok 7 global.eventfd_check_read
# RUN global.eventfd_check_read_with_nonsemaphore ...
# OK global.eventfd_check_read_with_nonsemaphore
ok 8 global.eventfd_check_read_with_nonsemaphore
# RUN global.eventfd_check_read_with_semaphore ...
# OK global.eventfd_check_read_with_semaphore
ok 9 global.eventfd_check_read_with_semaphore
# PASSED: 9 / 9 tests passed.
# Totals: pass:9 fail:0 xfail:0 xpass:0 skip:0 error:0
Link: https://lkml.kernel.org/r/20240527000200.5615-1-wen.yang@linux.dev
Signed-off-by: Wen Yang <wen.yang@linux.dev>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Andrei Vagin <avagin@google.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Dave Young <dyoung@redhat.com>
Cc: Tim Bird <tim.bird@sony.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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This adds the promised selftest for eventfd. It will verify the flags of
eventfd2, including EFD_CLOEXEC, EFD_NONBLOCK and EFD_SEMAPHORE.
Link: https://lkml.kernel.org/r/tencent_3C9A298878D22B5D8F79DC2FEE99BB4A8F05@qq.com
Signed-off-by: Wen Yang <wenyang.linux@foxmail.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Javier Martinez Canillas <javierm@redhat.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Pengfei Xu <pengfei.xu@intel.com>
Cc: Miklos Szeredi <mszeredi@redhat.com>
Cc: Andrei Vagin <avagin@google.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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