Chuck Ebbert (on Tue, 31 Jan 2006 21:44:20 -0500) wrote:
>In-Reply-To: <[email protected]>
>
> $ perl scripts/reference_init.pl | grep smp_locks
> Error: ./arch/i386/kernel/alternative.o .smp_locks refers to 00000008 R_386_32 .init.text
> ...
>
>Caused by x86_smp_alternatives.patch
>
>Does this mean that the SMP lock-switching could write all over discarded
>__init code?
Looking at the patch, it builds tables that can refer to .init.text but
then it excludes table entries that do not fall between _text and
_etext. Which makes the reference from .smp_locks to .init.text a
false positive. Gerd, is that the way that smp_alternatives is meant
to work? If so, I will update reference_*.pl.
+ alternatives_smp_module_add(NULL, "core kernel",
+ __smp_locks, __smp_locks_end,
+ _text, _etext);
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