Jiri Kosina wrote: > pcpu_alloc() and pcpu_extend_area_map() perform a series of > spin_lock_irq()/spin_unlock_irq() calls, which make them unsafe > with respect to being called from contexts which have IRQs off. > > This patch converts the code to perform save/restore of flags instead, > making pcpu_alloc() (or __alloc_percpu() respectively) to be called > from early kernel startup stage, where IRQs are off. > > This is needed for proper initialization of per-cpu rq_weight data from > sched_init(). > > Signed-off-by: Jiri Kosina <jkosina@xxxxxxx> Acked-by: Tejun Heo <tj@xxxxxxxxxx> I'll wait for response on the series and push it through percpu#fixes tomorrow if there's no objection. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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