On Thu, 15 Jan 2009 20:05:08 +0900 (JST) KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> wrote:
> Applied after: linux-next.patch
> ==
> Subject: [PATCH] remove duplicate EXPORT_SYMBOL()
> Impact: fix build error
>
> In past, ia64_ksyms.c had EXPORT_SYMBOL(copy_page) in wrong place.
>
> old code was
>
> #include <asm/uaccess.h>
> EXPORT_SYMBOL(__copy_user);
> EXPORT_SYMBOL(__do_clear_user);
> EXPORT_SYMBOL(__strlen_user);
> EXPORT_SYMBOL(__strncpy_from_user);
> EXPORT_SYMBOL(__strnlen_user);
> EXPORT_SYMBOL(copy_page);
>
> (but actually, copy_page is declared in asm/page.h)
>
> And recently, commit bdc2619ab95d45d434c16d5c216bc6243761f6fb insert
> EXPORT_SYMBOL(copy_page) into correct place.
>
> then, duplicate EXPORT_SYMBOL create following build error.
>
> arch/ia64/kernel/ia64_ksyms.c:65: error: redefinition of '__kcrctab_copy_page'
> arch/ia64/kernel/ia64_ksyms.c:43: error: previous definition of '__kcrctab_copy_page' was here
> arch/ia64/kernel/ia64_ksyms.c:65: error: redefinition of '__kstrtab_copy_page'
> arch/ia64/kernel/ia64_ksyms.c:43: error: previous definition of '__kstrtab_copy_page' was here
> arch/ia64/kernel/ia64_ksyms.c:65: error: redefinition of '__ksymtab_copy_page'
> arch/ia64/kernel/ia64_ksyms.c:43: error: previous definition of '__ksymtab_copy_page' was here
Yes, this is a strange bug added by
commit 7aed50e09223e7623c7ab826efd53f097bed2f73
Author: Prarit Bhargava <prarit@xxxxxxxxxx>
AuthorDate: Sat Jan 10 02:25:44 2009 +0000
Commit: David Howells <dhowells@xxxxxxxxxx>
CommitDate: Sat Jan 10 02:25:44 2009 +0000
CacheFiles: Add missing copy_page export for ia64
I don't see how it could have been tested :(
I also don't know which linux-next tree added that commit. There's a
way of working this out but I forgot it.
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