lkml.org 
[lkml]   [2005]   [Jul]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
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

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-07-22 23:20    [from the cache]
©2003-2011 Jasper Spaans