zyfeier opened a new pull request, #14465: URL: https://github.com/apache/nuttx/pull/14465
## Summary Add sem_wait fast operations, use atomic to ensure atomicity of semcount operations, and do not depend on critical section. Test with robot board: before modify: nxmutex_lock cost: 78 ns nxmutex_unlock cost: 82 ns after modify: nxmutex_lock cost: 28 ns nxmutex_unlock cost: 14 ns ## Impact semaphore ## Testing bes board with monkey test pass sabre-6quad:smp with ostest pass -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@nuttx.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
