On Sat, 2007-07-14 at 23:38 +0400, Oleg Nesterov wrote: > On 07/14, Peter Zijlstra wrote:
> > Yeah, the function I copied this from: schedule_on_each_cpu() has a > > comment to that effect. > > Just in case, schedule_on_each_cpu() ptotects cpu_online_map with > preempt_disable(), its problem is quite different. I was schedule_on_each_cpu_wq() I copied, and that does not disable preemption. Also, I'm failing to see how schedule_on_each_cpu() could work with -rt, since __queue_work() takes a regular spinlock. > > Any ideas on how to solve this? > > Perhaps slab_cpuup_callback() can take flush_slab_mutex too, in that > case cpu_online_map will be stable under flush_slab_mutex. Right, I'll give that a try. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
