Re: [opensuse-kernel] Re: [RFC] Simplifying kernel configuration for distro issues

[Michal Marek <mmarek@suse.cz>]

On 17.7.2012 10:03, Geert Uytterhoeven wrote:
> On Mon, Jul 16, 2012 at 10:56 PM, Linus Torvalds
> <torvalds@linux-foundation.org> wrote:
>> On Mon, Jul 16, 2012 at 12:26 PM,  <david@lang.hm> wrote:
>>> Some of the proposed ways to implement the minimum distro kernel would not
>>> allow you to override the distro defaults because they would be implemented
>>> by setting dependancies, not by selecting options that you as the user could
>>> then unselect.
>>
>> The sanest thing to do is just a list of "select" statements. And in
>> any case it would have to depend on the "distro config" entry, so EVEN
>> THEN you could just create the Kconfig file, then edit out the distro
>> config thing, and then do whatever you want.
> 
> Except that "select" is one of the ugliest things in Kconfig, as it
> blindly sets a symbol
> without checking if its dependencies are fulfilled.

But for the few options Linus proposed (TMPFS, TMPFS_POSIX_*,
DEVTMPFS(_MOUNT)), the amount of additional dependencies is reasonable.
For something more advanced like 'build me a kernel for a laptop with
$VENDOR hardware', we would need a better dependency solver, indeed.

Michal