On Aug 24, 2011, at 2:05 PM, Wolfgang Denk wrote:

> Dear Kumar Gala,
> 
> In message <3aa0e5b6-7e38-4cb0-94e2-f7bba9a10...@kernel.crashing.org> you 
> wrote:
>> We get a bunch of warnings like this with gcc-4.6.x:
>> 
>> e1000.c:4334:3: warning: variable 'x' set but not used 
>> [-Wunused-but-set-variable]
>> 
>> Are we get with adding -Wunused-but-set-variable so they don't show up?
> 
> If the variable is not used, why don't we remove it, then?

In the vast number of cases it because of some #ifdef case not be defined in 
the given build.

- k
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