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Subject[PATCH] MIPS: fw: arc: add __weak to prom_meminit and prom_free_prom_memory
As far as I understood, prom_meminit() in arch/mips/fw/arc/memory.c
is overridden by the one in arch/mips/sgi-ip32/ip32-memory.c if
CONFIG_SGI_IP32 is enabled.

The use of EXPORT_SYMBOL in static libraries potentially causes a
problem for the llvm linker [1]. So, I want to forcibly link lib-y
objects to vmlinux when CONFIG_MODULES=y.

As a groundwork, we must fix multiple definitions that have previously
been hidden by lib-y.

The prom_cleanup() in this file is already marked as __weak (because
it is overridden by the one in arch/mips/sgi-ip22/ip22-mc.c).
I think it should be OK to do the same for these two.


Reported-by: kbuild test robot <>
Signed-off-by: Masahiro Yamada <>

If MIPS maintainers ack this patch,
I want to inser it before the following patch:

arch/mips/fw/arc/memory.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/mips/fw/arc/memory.c b/arch/mips/fw/arc/memory.c
index dbbcddc82823..89fa6e62a3b3 100644
--- a/arch/mips/fw/arc/memory.c
+++ b/arch/mips/fw/arc/memory.c
@@ -117,7 +117,7 @@ static int __init prom_memtype_classify(union linux_memtypes type)
return memtype_classify_arc(type);

-void __init prom_meminit(void)
+void __weak __init prom_meminit(void)
struct linux_mdesc *p;

@@ -162,7 +162,7 @@ void __weak __init prom_cleanup(void)

-void __init prom_free_prom_memory(void)
+void __weak __init prom_free_prom_memory(void)
int i;

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