Re: The timer softirq on the RT kernel

From: Mike Galbraith
Date: Thu Aug 04 2016 - 22:36:46 EST


On Thu, 2016-08-04 at 17:36 -0700, yunhong jiang wrote:
> Hi,Mike & Steven
> On https://lkml.org/lkml/2015/3/24/1178, the patch of "timers:
> do not raise softirq unconditionally" is reverted. Thanks for
> Steven's
> detailed comments, it's quite clear explained.
> I remember Mike has a patch trying to fix it but late
> abandoned. Do you still have any plan to work on this? Otherwise, I
> will have a try.

Sebastian converted the lock to raw in -rt, so nohz_full now works
without any extra hackery.

-Mike