Can we undo the octeon hack?

[Juli Mallett]

Making it possible to override each value would be ideal but
cumbersome.  If you want to do that, by all means do!

Thanks,
Juli.

On 2013-07-21, at 11:44, Adrian Chadd <adrian at freebsd.org> wrote:

> Hi Juli/Warner,
>
> Is it possible to undo this particular hack, and allow these values to
> be overridden in the kernel config files?
>
> from kern.pre.mk
>
> CFLAGS= ${COPTFLAGS} ${C_DIALECT} ${DEBUG} ${CWARNFLAGS}
> CFLAGS+= ${INCLUDES} -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include
> opt_global.h
> .if ${COMPILER_TYPE} != "clang"
> CFLAGS+= -fno-common -finline-limit=${INLINE_LIMIT}
> .if ${MACHINE_CPUARCH} != "mips"
> CFLAGS+= --param inline-unit-growth=100
> CFLAGS+= --param large-function-growth=1000
> .else
> # XXX Actually a gross hack just for Octeon because of the Simple Executive.
> CFLAGS+= --param inline-unit-growth=10000
> CFLAGS+= --param large-function-growth=100000
> CFLAGS+= --param max-inline-insns-single=10000
> .endif
> .endif
>
> I'd like to be able to experiment with different inline settings in
> order to try and squeeze kernels down to be smaller.
>
> Thanks!
>
>
> -adrian