On Fri, 2 Oct 2015, Eric Dumazet wrote: > On Fri, 2015-10-02 at 22:04 +0200, Thomas Gleixner wrote: > > > What makes sure, that the timer cannot be readded while that timer > > callback is running? > > What is exactly your question ? CPU0 CPU1 timer expires callback add timer timer_pending() == true ===> del_timer_sync() I was just curious how this is prevented as I got lost in the networking code as usual :) Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html