xiaoxiang781216 opened a new pull request #5761: URL: https://github.com/apache/incubator-nuttx/pull/5761
## Summary since xcpt always point to the stack after the below change(#5645): commit 7b9978883c46569068ba5dac5755f998fbd237b2 Author: chao.an <[email protected]> Date: Tue Mar 1 01:06:24 2022 +0800 arch/arm: optimize context switch speed The current context save implementation saves registers of each task to xcp context, which is unnecessary because most of the arm registers are already saved in the task stack, this commit replace the xcp context with stack context to improve context switching performance and reduce the tcb space occupation of tcb instance. Signed-off-by: Xiang Xiao <[email protected]> ## Impact armv6-m, armv7-m and armv8-m ## Testing -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
