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

Alan Cox
2007-04-22T12:36:48Z

> > > 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