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Kbuild, lto, workaround: Don't warn for initcall_reference in modpost

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This reference is discarded, but can cause warnings when it refers to
exit. Ignore for now.

This is a workaround and can be removed once we get rid of
-fno-toplevel-reorder

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1391846481-31491-7-git-send-email-ak@linux.intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Andi Kleen 2014-02-08 09:01:11 +01:00 committed by H. Peter Anvin
parent 58edae3aac
commit 77ab21adae
1 changed files with 4 additions and 0 deletions
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4
scripts/mod/modpost.c
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@ -1455,6 +1455,10 @@ static void check_section_mismatch(const char *modname, struct elf_info *elf,
to = find_elf_symbol(elf, r->r_addend, sym);
tosym = sym_name(elf, to);
if (!strncmp(fromsym, "reference___initcall",
sizeof("reference___initcall")-1))
return;
/* check whitelist - we may ignore it */
if (secref_whitelist(mismatch,
fromsec, fromsym, tosec, tosym)) {