From: Márton Németh <nm...@freemail.hu>
When printk() is disabled (CONFIG_PRINTK) at menu item
General setup
-> Configure standard kernel features (for small systems)
-> Enable support for printk
then there should be no printk() calls at all.
Signed-off-by: Márton Németh <nm...@freemail.hu>
---
diff -upr linux-2.6.33.orig/arch/powerpc/kernel/head_fsl_booke.S
linux/arch/powerpc/kernel/head_fsl_booke.S
--- linux-2.6.33.orig/arch/powerpc/kernel/head_fsl_booke.S 2010-02-24
19:52:17.000000000 +0100
+++ linux/arch/powerpc/kernel/head_fsl_booke.S 2010-03-07 09:28:05.000000000
+0100
@@ -887,13 +887,17 @@ KernelSPE:
lwz r3,_MSR(r1)
oris r3,r3,msr_...@h
stw r3,_MSR(r1) /* enable use of SPE after return */
+#ifdef CONFIG_PRINTK
lis r3,8...@h
ori r3,r3,8...@l
mr r4,r2 /* current */
lwz r5,_NIP(r1)
bl printk
+#endif
b ret_from_except
+#ifdef CONFIG_PRINTK
87: .string "SPE used in kernel (task=%p, pc=%x) \n"
+#endif
.align 4,0
#endif /* CONFIG_SPE */
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