On Thursday 05 June 2008 01:11:00 Eric Dumazet wrote: > Mike Travis a écrit : > > I'm a bit confused. Why is DEFINE_PER_CPU_SHARED_ALIGNED() conditioned > > on ifdef MODULE? > Because we had crashes when loading oprofile module, when a previous > version of oprofile used to use DEFINE_PER_CPU_SHARED_ALIGNED variable > > module loader only takes into account the special section ".data.percpu" > and ignores ".data.percpu.shared_aligned" > > I therefore submitted two patches : Put one way, putting page-aligned per-cpu data in a separate section is a space-saving hack: one which is not really required for modules because of the low frequency of such variables. Put another way, not respecting the .data.percpu.shared_aligned section in modules is a bug. But a comment would probably be nice! Cheers, Rusty. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
