On Mon, 10 Nov 2014, Frederic Weisbecker wrote: > Ok, I confess we moved part of that housekeeping to the > syscall/exception/interrupt > entry path. We did that for cputime accounting and RCU. And it's possible to > even do that for timekeeping. But then the kernel entrypoint is going to be > extremely > costly. It's worth CPU 0 as a sacrificial lamb.
Well we can redirect to the scheduler setting the task flag and handle costly stuff there if necessary? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
