Re: [PATCH] utilities: add helper functions for safe 64-bit integer operations as 32-bit halves

[Alan Cox <alan@lxorguk.ukuu.org.uk>]

> > > over-engineering. Call it sector_upper32() do it the simple way and stop
> > > trying to solve a problem we don't have
> > 
> > James said we have the same problem with dma_addr_t.
> 
> Yes.  It's in fact the far more common case and we have a bread of
> macros dealing with the issue in various drivers.

So we still only need it for unsigned 32/64bit values ?



Alan
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