On 07/24/2015 02:21 PM, Steven Rostedt wrote: > On Fri, 24 Jul 2015 21:02:26 +0200 (CEST) > Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > >> On Wed, 22 Jul 2015, Steven Rostedt wrote: >>> It's still there. Note, that when I pull -rt into stable, I do a >>> git quiltimport, which renames the patch set. It's now called: >>> >>> 0089-slub-delay-ctor-until-the-object-is-requested.patch >> >> >From the 4.0.8-rt6 announce: >> >> - The delayed kmem_cache constructor caused problems. Steven Rostedt >> reported problems versus the signal handling code and Koehrer >> Mathias reported the same. The patch in question has been reverted >> and a patch currently sitting in -mm has been added which provides >> the same functionality (running the constructor with enabled >> interrupts). Patch provided by Thomas Gleixner. >> >> The stable trees which carry the delay-ctor patches should be updated >> to this. >> >> Reverting the patch at least prevents the BUG. Latencywise the slub patch >> >> mm-slub-move-slab-initialization-into-irq-enabled-re.patch >> >> is the one which wants to be ported back. >> > > OK, thanks. > > Just to let people know. I'm going to be traveling next week and when I > get back in August, my top priority is to work on the stable patches. > For 3.18, I'll be looking at the patches that have been emailed to the > list, and I want to fix NO_HZ for 3.10-3.14. > In case it saves you some work, we've had some success getting NO_HZ to work on 3.14 (x86_64) after back-porting the following commit: 3010279f0fc36f0388872203e63ca49912f648fd x86: Tell irq work about self IPI support -Gratian -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
