Re: [PATCH] fix allmodconfig breakage

From: Roman Zippel
Date: Mon Oct 27 2008 - 10:41:34 EST


Hi,

On Sun, 26 Oct 2008, Al Viro wrote:

> If you use KCONFIG_ALLCONFIG (even with empty file) you get
> broken allmodconfig/allyesconfig; CONFIG_MODULES gets turned off,
> with obvious massive fallout.
>
> Breakage had been introduced when conf_set_all_new_symbols()
> got used for allmodconfig et.al.
>
> What happens is that sym_calc_value(modules_sym) done in
> conf_read_simple() sets SYMBOL_VALID on both modules_sym and MODULES.
> When we get to conf_set_all_new_symbols(), we set sym->def[S_DEF_USER]
> on everything, but it has no effect on sym->curr for the symbols that
> already have SYMBOL_VALID - these are stuck.
>
> Solution: use sym_clear_all_valid() in there. Note that it
> makes reevaluation of modules_sym redundant - sym_clear_all_valid()
> will do that itself.
>
> Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

Thanks for looking into this.

Signed-off-by: Roman Zippel <zippel@xxxxxxxxxxxxxx>

bye, Roman
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