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    SubjectRe: kernel optimization
    Adrian Bunk wrote:

    >On Fri, Jul 22, 2005 at 07:55:48PM +0100, christos gentsis wrote:
    >
    >
    >
    >>hello
    >>
    >>
    >
    >Hi Chris,
    >
    >
    >
    >>i would like to ask if it possible to change the optimization of the
    >>kernel from -O2 to -O3 :D, how can i do that? if i change it to the top
    >>level Makefile does it change to all the Makefiles?
    >>
    >>
    >
    >search for the line with
    > CFLAGS += -O2
    >and change this to -O3.
    >
    >This works for most Makefile's except for the one's that manually
    >set -Os.
    >
    >
    >
    >>And let's say that i change it... does this generate any problems with
    >>the space that the kernel will take? (the kernel will be much larger)
    >>
    >>
    >
    >It's completely untested.
    >And since it's larger, it's also slower.
    >
    >
    >
    >>Thanks
    >>Chris
    >>
    >>
    >
    >cu
    >Adrian
    >
    >
    >
    so if i want to play with and see what happens i have to change it
    manually in each make file... good i may create a kernel like that to
    see what will happens (just for test) ;)

    thanks
    Chris

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