On 4/14/23 05:53, Mark Rutland wrote: > > * How is this going to work with rust? > > It's not clear to me whether/how things like ftrace, RELIABLE_STACKTRACE, and > live-patching are going to work with rust. We probably need to start looking > soon. > [ cc += Steve ] For me, any explanation of kernel livepatching to another kernel dev usually starts with ftrace, handlers, function granularity, etc. Thinking about livepatching + rust, I can only imagine there will be a lot of known and unknown gotchas with respect to data scoping, stacks, relocations, etc... but I would still work my way up from learning more about how / if Rust code will be trace-able and what that roadmap may be. Any thoughts on that Steve? I see that the "Kernel Testing & Dependability" microconf has Rust on their proposal, are there any other planned talks re: ftrace / rust? Regards, -- Joe
