On Wed, 2010-11-17 at 17:23 -0800, Darren Hart wrote: > On 11/17/2010 08:18 AM, Jean-Michel Hautbois wrote: > > Hi ! > > > > I am wondering why SLUB isn't supported with PREEMPT_RT ? > > I cannot find any info on that except the fact it is not working yet. > > What do we have to do in order to support it ? > > Peter can answer this better than I can, but it has something to do with > all the local_bh_disable() calls not being compatible with the goals of > PREEMPT_RT - if I remember correctly. Nah, its slub doens't use the softirq crap. But its close, you have to iron out the per-cpu assumptions in the thing. I did a few slub-rt ports at various times but the thing kept changing too much and I gave up. I should probably do a new port and hope the thing is more stable now that the excitement is down or somesuch. -- 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