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Date: Mon, 4 Apr 2005 11:32:39 +0100
From: Jerome Glisse <j.glisse@gmail.com>
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Subject: linux 2.6.12-rc1-bk5 compilation error
Reply-To: Jerome Glisse <j.glisse@gmail.com>
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Hi,

Once again i face an error that i got with a previous
2.6 kernel (i already posted about this in january
i think).

My config G5 bi 2Ghz and you can grab my kernel
config here : http://dj.planet-d.net/config

When compiling  2.6.12-rc1-bk5 i first get unknown
symbol _flush_disable_L1. This is in arch/ppc/kernel/l2cr.S
I changed the makefile in arch/ppc/kernel to have this :
obj-$(CONFIG_POWER4) += cpu_setup_power4.o
into :
obj-$(CONFIG_POWER4) += l2cr.o cpu_setup_power4.o

I am not sure this is good but with this i can go on.

And finaly i face back the same unknown function
than in my previous mail :
disable_6xx_mmu
used in :
arch/ppc/boot/simple/misc-prep.c

At that time i done some test defining CONFIG_6xx
which give others erros or undefining PPC_PREP
which give some others errors.

I finaly used a stupid patch to make it works (below)
Signed-off-by: Jerome Glisse <j.glisse@gmail.com>

But it seems that at some stage it gots forgotten.
Anyway what puzzle me is that it seems i am the
only one to face this ? Am i alone :) ?

diff -Naur a/arch/ppc/boot/simple/misc-prep.c
b/arch/ppc/boot/simple/misc-prep.c
--- a/arch/ppc/boot/simple/misc-prep.c      2004-12-24 22:33:51.000000000 +0100
+++ b/arch/ppc/boot/simple/misc-prep.c       2005-01-21
12:09:50.976426672 +0100
@@ -34,7 +34,11 @@
extern void serial_fixups(void);
extern struct bi_record *decompress_kernel(unsigned long load_addr,
               int num_words, unsigned long cksum);
+#ifdef CONFIG_6XX
extern void disable_6xx_mmu(void);
+#elif
+static inline void disable_6xx_mmu(void) {}
+#endif
extern unsigned long mpc10x_get_mem_size(void);

static void