On Wed, Sep 05, 2007 at 02:43:21PM +0100, Denys Vlasenko wrote:
> Build system: section garbage collection for vmlinux
>
> Newer gcc and binutils can do dead code and data removal
> at link time. It is achieved using combination of
> -ffunction-sections -fdata-sections options for gcc and
> --gc-sections for ld.
>...
In the long term I'd like us to be able to compile the whole (or at
least most of) the kernel with one "-combine -fwhole-program" gcc call
which should bring the same positive effect plus enables gcc to do
additional optimizations.
That's meant as a remark, not against your patch (which is for a lower
hanging fruit).
> vda
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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