On Fri, 2006-04-21 at 09:43 +0200, Sam Ravnborg wrote:
> On Thu, Apr 20, 2006 at 03:36:53PM -0700, Ram Pai wrote:
> > This patch series enables on-demand report generation of export symbol usage by
> > inkernel modules. The report is available at
> >
> > A report generated by executing
> > make allmodconfig
> > make export_report
> > is available at http://www.sudhaa.com/~ram/misc/export_report.txt
> >
> > This report lists:
> > 1. the usage count of all exported symbols by in-kernel modules.
> > 2. For each in-kernel module lists
> > a) the in-kernel modules it depend on.
> > b) list of exported symbols from that in-kernel modules it depend on.
> >
> > Highlights:
> > On x86 architecture
> > (1) 880 exported symbols not used by any in-kernel modules.
> > (2) 1792 exported symbols used only once.
> >
> > This patch series has comments by Adrian Bunk incorporated.
>
> Hi Ram Pai.
>
> In principle what your patch does is a simple port-processign of
> Module.symvers.
> Insead of introducing another step in the buildprocess then for this
> functionality we should just call your script direct.
> This is not something the average users will do often, so having to
> type:
> ./scripts/export-report.pl
>
> And then let the perl script pick up default values for where to find
> *.mod.c files and Module.symvers.
>
> Thoughts?
Well, if the Module.symvers file does not exist than the script will
fail; unless the script invokes the 'make modules'.
Incorporating it into the Makefile can ease its use,
because we can transparently trigger rules that can make the
Module.symvers file.
I guess its a question of which way makes it easy to use? and my
thoughts are leaning towards incorporating it into the Makefile.
I can make it either way. You suggest.
RP
>
> Sam
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