Re: [RFC][PATCH] introduce ptr_diff()

Namhyung Kim
2010-08-19T15:53:12Z

2010-08-19 (목), 14:23 +0200, Andi Kleen:
> IMHO it would be better to simply disable the warning in sparse instead
> of uglying the code just to work around sparse bogosity. It doesnt' seem
> to make much sense. A subtraction followed by a shift is not expensive.
>
> -Andi
>

I'm curious who turns on that switch. -Wptr-subtraction-blows is turned
off by default, I didn't use CF variable at build time and I could not
find any reference of it in the source tree. Hmm..

--
Regards,
Namhyung Kim