On Sun, Jul 24, 2016 at 8:42 PM, Paul Gortmaker
<paul.gortmaker@xxxxxxxxxxxxx> wrote:
While doing an audit looking for unnecessary instances of module.h
inclusion across arch/x86/ I found a significant number of includes
of module.h were for things like search_exception_table and friends.
For historical reasons (i.e. pre-git) the exception table stuff was
buried in the middle of the module.h file. So we have core kernel
files that are completely non-modular (both arch specific and arch
independent) that are just including module.h for this.
The converse is also true, in that conventional drivers, be they for
filesystems or actual hardware peripherals or similar, do not
normally care about the exception tables.
Here we fork the exception table content [...]
This looks to be the right thing to do as far as I can tell. I'm not
sure how big of a problem the extable stuff is (we definitely have
much bigger unnecessary include files that cause a lot more problems),
but it seems like a reasonable cleanup.
Linus
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