Hello, On Wed, Oct 31, 2012 at 1:08 PM, Michal Hocko <mhocko@xxxxxxx> wrote: > local_irq_disable doesn't guarantee atomicity, because other CPUs will Maybe it should say atomicity on the local CPU. > see the change in steps so this is a bit misleading. The real reason > AFAICS is that we do not want to hang in css_tryget from IRQ context > (does this really happen btw.?) which would interrupt cgroup_rmdir > between we add CSS_DEACT_BIAS and the group is marked CGRP_REMOVED. > Or am I still missing the point? Yeah, that's the correct one. We don't want tryget happening between DEACT_BIAS and REMOVED as it can hang forever there. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
