On Sun, Jul 6, 2014 at 8:24 PM, Linus Torvalds
<torva...@linux-foundation.org> wrote:
> On Sun, Jul 6, 2014 at 2:37 AM, Grant Likely <grant.lik...@linaro.org> wrote:
>>
>> Can you pull this bug fix into your tree please?
>
> I took it, but I think both your explanation and the patch itself is
> actually crap. It may fix the issue, but it's seriously confused.
>
> Your explanation says that it's a 32-bit platform issue. No it's not.
> Most 32-bit configurations still have a 64-bit phys_addr_t (ie
> PAE/LPAE etc).
>
> And the code is crap, because it uses ULONG_MAX etc in ways that
> simply make no f*cking sense. And why does it care about sizeof?
>
> Why does the code not just do something like
>
>   #define MAX_PHYS_ADDR ((phys_addr_t) ~0)
>
> and then do
>
>   if (base > MAX_PHYS_ADDR || base + size > MAX_PHYS_ADDR)
>     ...

Sure. I'll make sure a cleanup patch gets written and queued up.

g.
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