On Tue, Oct 04, 2016 at 12:06:23AM -0700, Paul E. McKenney wrote: > On Mon, Oct 03, 2016 at 06:10:39PM -0400, Rich Felker wrote: > > On Mon, Sep 26, 2016 at 11:27:14PM +0200, Daniel Lezcano wrote: > > > On 26/09/2016 23:07, Rich Felker wrote: > > > > Ping. Is there anything that still needs to be changed for this driver > > > > to be acceptable? > > > > > > It is on my radar. I'm reviewing it. > > > > > > Can you elaborate the workaround mentioned in the changelog. I have been > > > digging into the lkml@ thread but it is not clear if the issue is > > > related to the time framework, the driver itself or whatever else. Can > > > you clarify that ? > > > > Do you have comments on any remaining issues other than this > > workaround? If not I don't mind removing the workaround and trying to > > solve the issue separately later. Let me know and either way I'll > > submit a v8. > > One question of interest to me is whether this patchset prevents the > RCU CPU stall warnings that you are seeing. With the 5ms minimum delta, I didn't observe any rcu_sched stall warnings. At 2.5ms I thought it was gone but eventually saw one. With the previous mindelta = 1, i.e. 1 hardware bus period, I get the stalls regularly. Rich -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
