On Fri, 4 Oct 2013 17:16:18 +0200 Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > Documentation section > > Ah, you missed the preemption series? Yeah, I've seen them, just haven't looked at them too deeply yet. > > 1a338ac32ca6 sched, x86: Optimize the preempt_schedule() call > c2daa3bed53a sched, x86: Provide a per-cpu preempt_count implementation > a233f1120c37 sched: Prepare for per-cpu preempt_count > bdb438065890 sched: Extract the basic add/sub preempt_count modifiers > 01028747559a sched: Create more preempt_count accessors > a787870924db sched, arch: Create asm/preempt.h > f27dde8deef3 sched: Add NEED_RESCHED to the preempt_count > 4a2b4b222743 sched: Introduce preempt_count accessor functions > ea8117478918 sched, idle: Fix the idle polling state logic > 315039862646 sched: Remove {set,clear}_need_resched > b021fe3e2509 sched, rcu: Make RCU use resched_cpu() > 0c44c2d0f459 x86: Use asm goto to implement better modify_and_test() functions > > preempt_count now includes a NEED_RESCHED and this patch shows which > is set: N both PREEMPT_NEED_RESCHED and TIF_NEED_RESCHED, n for TIF only > and p for preempt only. You still need to update Documentation/trace/ftrace.txt. Search for "need-resched" and that part will need to be updated. Thanks, -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html