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Andrew Morton wrote: > > Oleg Nesterov <oleg@tv-sign.ru> wrote: > > > > ... > > Before this timer patch del_timer(pending_timer) worked as > > a memory barrier for the caller, now it does not. > > > > I wonder if we should still do this? It would seem to be a safer approach. > > (This barrier stuff continues to give me the creeps. Imagine being > dependent upon accidental barriers in the add/del/mod_timer code. Ugh). I can't judge. But if we added barriers now, it would be very hard to remove them later. And I think it's not good to have these barriers "just in case". Oleg. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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