Commit-ID:  77ab21adae509c5540956729e2d03bc1a59bc82a
Gitweb:     http://git.kernel.org/tip/77ab21adae509c5540956729e2d03bc1a59bc82a
Author:     Andi Kleen <a...@linux.intel.com>
AuthorDate: Sat, 8 Feb 2014 09:01:11 +0100
Committer:  H. Peter Anvin <h...@linux.intel.com>
CommitDate: Thu, 13 Feb 2014 20:24:56 -0800

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

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 <a...@linux.intel.com>
Link: 
http://lkml.kernel.org/r/1391846481-31491-7-git-send-email...@linux.intel.com
Signed-off-by: H. Peter Anvin <h...@linux.intel.com>
---
 scripts/mod/modpost.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 4061098..1f1b154 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -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)) {
--
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