Sam Ravnborg <[email protected]> writes:
> On Tue, Aug 01, 2006 at 05:03:19AM -0600, Eric W. Biederman wrote:
>> Defining __PHYSICAL_START and __KERNEL_START in asm-i386/page.h works but
>> it triggers a full kernel rebuild for the silliest of reasons. This
>> modifies the users to directly use CONFIG_PHYSICAL_START and linux/config.h
>> which prevents the full rebuild problem, which makes the code much
>> more maintainer and hopefully user friendly.
>>
>> Signed-off-by: Eric W. Biederman <[email protected]>
>> ---
>> arch/i386/boot/compressed/head.S | 8 ++++----
>> arch/i386/boot/compressed/misc.c | 8 ++++----
>> arch/i386/kernel/vmlinux.lds.S | 3 ++-
>> include/asm-i386/page.h | 3 ---
>> 4 files changed, 10 insertions(+), 12 deletions(-)
>>
>> diff --git a/arch/i386/boot/compressed/head.S
> b/arch/i386/boot/compressed/head.S
>> index b5893e4..8f28ecd 100644
>> --- a/arch/i386/boot/compressed/head.S
>> +++ b/arch/i386/boot/compressed/head.S
>> @@ -23,9 +23,9 @@
>> */
>> .text
>>
>> +#include <linux/config.h>
>
> You already have full access to all CONFIG_* symbols - kbuild includes
> it on the commandline. So please kill this include.
Stupid questions:
- Why do we still have a linux/config.h if it is totally redundant.
- Why don't we have at least a #warning in linux/config.h that would
tell us not to include it.
- Why do we still have about 200 includes of linux/config.h in the
kernel tree?
I would much rather have a compile error, or at least a compile
warning rather than needed a code review to notice this error.
We haven't needed this header since october of last year.
Eric
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