> > YAMAMOTO Takashi wrote:
> > >>> i meant, nothing except kernel_lock prevents the state changed before
> > >>> you examine the return value of the function.
> > >>> of course, whether it can actually be a problem or not depends
> > >>> on its usage.  hence my question above.
> > >> I thought it might be useful. since I have no intention on discussing
> > >> it, I will just revert it if you care that much.
> > > 
> > > you said we would use it soon, didn't you?
> > > 
> > > i'm not requesting you back it out.
> > > if you have a good use of it, for which the race is not a problem, it's fine.
> > 
> > no, not anymore; right now I don't have a use for it.
> > 
> > -e.
> > 
> > -- 
> > Elad Efrat
> 
> then let's wrap it with "#if 0 /* notused */".

elad, can you do it (or back out the change)?

i don't think "it might be useful" is a good reason to
bloat kernel with unused functions.

YAMAMOTO Takashi