On Thu, Nov 5, 2015 at 1:39 PM, David Miller <[email protected]> wrote:
>
> 5) Fix iommu-common code so it doesn't emit rediculous warnings
> on some architectures, particularly ARM.
Heh. So looking at that patch, I can't but help to react that this:
#define IOMMU_ERROR_CODE (~(unsigned long) 0)
is still pretty ridiculous. Maybe just (-1ul), or for those people
who don't understand C unsigned long arithmetic and think that a
negative unsigned long looks odd, (~0ul)?
Not that this *matters*, but it's a bit odd to have to cast constants
to perfectly regular C types.
Linus
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