selftests/eventfd: correct test name and improve messages- Rename test from eventfd_chek_flag_cloexec_and_nonblock toeventfd_check_flag_cloexec_and_nonblock.- Make the RDWR‐flag comment declarat
selftests/eventfd: correct test name and improve messages- Rename test from eventfd_chek_flag_cloexec_and_nonblock toeventfd_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.comSigned-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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selftests: introduce additional eventfd test coverageAdd several new test cases which assert corner cases on the eventfdmechanism, for example, the supplied buffer is less than 8 bytes,attempting
selftests: introduce additional eventfd test coverageAdd several new test cases which assert corner cases on the eventfdmechanism, 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:0Link: https://lkml.kernel.org/r/20240527000200.5615-1-wen.yang@linux.devSigned-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>
selftests: add eventfd selftestsThis adds the promised selftest for eventfd. It will verify the flags ofeventfd2, including EFD_CLOEXEC, EFD_NONBLOCK and EFD_SEMAPHORE.Link: https://lkml.kernel
selftests: add eventfd selftestsThis adds the promised selftest for eventfd. It will verify the flags ofeventfd2, including EFD_CLOEXEC, EFD_NONBLOCK and EFD_SEMAPHORE.Link: https://lkml.kernel.org/r/tencent_3C9A298878D22B5D8F79DC2FEE99BB4A8F05@qq.comSigned-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>