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Date: Wed, 5 Sep 2007 22:34:38 +0200 From: Oleg Verych <olecom@...wer.upol.cz> To: Denys Vlasenko <vda.linux@...glemail.com> Cc: sam@...nborg.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 0/3] build system: section garbage collection for vmlinux On Wed, Sep 05, 2007 at 07:46:11PM +0100, Denys Vlasenko wrote: > On Wednesday 05 September 2007 16:53, Oleg Verych wrote: > > * Wed, 5 Sep 2007 14:43:21 +0100 > > * User-Agent: KMail/1.9.1 > > > > > > Build system: section garbage collection for vmlinux > > > > Maybe this is just a test suit to get finish with `make XYZ static`? > > They are vaguely connected in a sense that unused function which is > not marked static doesn't generate gcc warning, but will be discarded > by --gc-sections. "make XYZ static" also tends to find them - you make > function static, you recompile the file, and gcc informs you that > the function is not used at all! > > This happened to me when I did aic7xxx patches. > > You may yse --print-gc-sections to see the list of discarded sections. Anyway, this is gccism/binutilizm. That about other possible/future options? Give me example, please, why function must be non static if not used. If usage requires kconfig tuning, then this is a better way to go, than to adopt yet another GNU/Luxury. ____ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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