As I'm sure you know, this is all mostly centered around a) google using an old kernel on android, b) the older kernel had a design issue around async offload, and c) google paying out money for exploits / security issues found there. It's not secret that the initial async offload design in io_uring was not great, which is why 5.10-stable and all later kernels changed the thread model for that to not use kthreads at all. Then they put out the announcement last year, and that's all most people kn...