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module: handle ppc64 relocating kcrctabs when CONFIG_RELOCATABLE=y

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powerpc applies relocations to the kcrctab.  They're absolute symbols,
but it's not completely unreasonable: other archs may too, but the
relocation is often 0.

http://lists.ozlabs.org/pipermail/linuxppc-dev/2009-November/077972.html

Inspired-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Tested-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Rusty Russell
2009-12-15 16:28:32 -06:00
parent a8773769d1
commit d4703aefdb
3 changed files with 29 additions and 7 deletions
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5
arch/powerpc/include/asm/module.h
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@ -87,5 +87,10 @@ struct exception_table_entry;
void sort_ex_table(struct exception_table_entry *start,
struct exception_table_entry *finish);
#ifdef CONFIG_MODVERSIONS
#define ARCH_RELOCATES_KCRCTAB
extern const unsigned long reloc_start[];
#endif
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_MODULE_H */