Messages in this thread | | | Date | Mon, 14 May 2007 13:06:36 +0200 | From | Sam Ravnborg <> | Subject | Re: [PATCH 1/2] kbuild: Add "Section mismatch" warning whitelist for powerpc |
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On Mon, May 14, 2007 at 06:53:32PM +0800, Li Yang wrote: > This patch fixes the following "Section mismatch" warnings when > build powerpc platforms. > > ------------- > WARNING: arch/powerpc/mm/built-in.o - Section mismatch: reference to > .init.text:early_get_page from .text between 'pte_alloc_one_kernel' (at > offset 0xc68) and 'pte_alloc_one' > WARNING: mm/built-in.o - Section mismatch: reference to > .init.text:set_up_list3s from .text between 'kmem_cache_create' (at offset > 0x20300) and 'cache_reap' > ------------- > > Massive warnings represented by: > ------------- > WARNING: arch/powerpc/kernel/built-in.o - Section mismatch: reference to > .init.data:.got2 from prom_entry (offset 0x0) > WARNING: arch/powerpc/platforms/built-in.o - Section mismatch: reference to > .init.text:mpc8313_rdb_probe from .machine.desc after 'mach_mpc8313_rdb' > (at offset 0x4) > ------------- > > Signed-off-by: Li Yang <leoli@freescale.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> > --- > scripts/mod/modpost.c | 16 ++++++++++++---- > 1 files changed, 12 insertions(+), 4 deletions(-) > > diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c > index c89cb71..aa3a881 100644 > --- a/scripts/mod/modpost.c > +++ b/scripts/mod/modpost.c > @@ -649,9 +649,10 @@ static int strrcmp(const char *s, const char *sub) > * tosec = .init.text > * > * Pattern 10: > - * ia64 has machvec table for each platform. It is mixture of function > - * pointer of .init.text and .text. > - * fromsec = .machvec > + * ia64 has machvec table and powerpc has machine desc table for each > + * platform. It is mixture of function pointer of .init.text and .text. > + * fromsec = .machvec | .machine.desc > + * > **/ > static int secref_whitelist(const char *modname, const char *tosec, > const char *fromsec, const char *atsym, > @@ -681,6 +682,8 @@ static int secref_whitelist(const char *modname, const > char *tosec, > const char *pat4sym[] = { > "sparse_index_alloc", > "zone_wait_table_init", > + "pte_alloc_one_kernel", > + "kmem_cache_create", > NULL > }; > > @@ -750,7 +753,8 @@ static int secref_whitelist(const char *modname, const > char *tosec, > return 1; > > /* Check for pattern 10 */ > - if (strcmp(fromsec, ".machvec") == 0) > + if ((strcmp(fromsec, ".machvec") == 0) || > + (strcmp(fromsec, ".machine.desc") == 0)) > return 1; > > return 0; > @@ -883,6 +887,10 @@ static void warn_sec_mismatch(const char *modname, > const char *fromsec, > secref_whitelist(modname, secname, fromsec, > elf->strtab + before->st_name, refsymname)) > return; > + /* fromsec whitelist - without a valid 'before' */ > + /* powerpc has a GOT table in .got2 section */ > + if (strcmp(fromsec, ".got2") == 0) > + return; > > if (before && after) { > warn("%s - Section mismatch: reference to %s:%s from %s " > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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