Messages in this thread | | | Date | Wed, 23 Aug 2006 14:03:03 +0400 | From | Evgeniy Polyakov <> | Subject | Re: [take12 0/3] kevent: Generic event handling mechanism. |
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On Wed, Aug 23, 2006 at 11:58:20AM +0200, Andi Kleen (ak@suse.de) wrote: > Evgeniy Polyakov <johnpol@2ka.mipt.ru> writes: > > > > Let's then place there a structure with 64bit seconds and nanoseconds, > > similar to timspec, but without longs there. > > You need 64bit (or at least more than 32bit) for the seconds, > otherwise you add a y2038 problem which would be sad in new code. > Remember you might be still alive then ;-)
I hope so :)
> Ok one could argue that on 32bit architectures 2038 is so deeply > embedded that it doesn't make much difference, but I still > think it would be better to not readd it to new interfaces there. > > 64bit longs on 32bit is fine, as long as you use aligned_u64, > never long long or u64 (which has varying alignment between i386 and x86-64)
Btw, aligned_u64 is not exported to userspace. I commited a change with __u64 nanoseconds without any strucutres. Do we really need a structure?
> -Andi
-- Evgeniy Polyakov - 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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