On Tue, 2013-09-24 at 14:09 -0700, Joe Perches wrote: > There are a mix of function prototypes with and without extern > in the kernel sources. Standardize on not using extern for > function prototypes. > > Function prototypes don't need to be written with extern. > extern is assumed by the compiler. Its use is as unnecessary as > using auto to declare automatic/local variables in a block.
So you are able to confirm that all compilers make this assumption correctly? The initial reason for using extern was because not all compilers made the assumption or made it correctly.
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