This is back-ported from 2.6.31, to bring in the assembler-introduced work-arounds
that avoid CPU lock-ups in certain circumstances.

Index: linux-2.6.27.43-libre3-lemote_0lxo/arch/mips/Makefile
===================================================================
--- linux-2.6.27.43-libre3-lemote_0lxo.orig/arch/mips/Makefile	2010-01-09 11:17:35.000000000 +0000
+++ linux-2.6.27.43-libre3-lemote_0lxo/arch/mips/Makefile	2010-01-09 11:18:08.000000000 +0000
@@ -120,6 +120,11 @@
 cflags-$(CONFIG_CPU_R4X00)	+= -march=r4600 -Wa,--trap
 cflags-$(CONFIG_CPU_TX49XX)	+= -march=r4600 -Wa,--trap
 cflags-$(CONFIG_CPU_LOONGSON2)	+= -march=r4600 -Wa,--trap
+cflags-$(CONFIG_MACH_LM2F) += \
+	$(call cc-option,-march=loongson2f,-march=r4600) \
+	$(call as-option,-Wa$(comma)-mfix-ls2f-kernel,) \
+	$(call as-option,-Wa$(comma)-mfix-loongson2f-nop,) \
+	$(call as-option,-Wa$(comma)-mfix-loongson2f-jump,)
 cflags-$(CONFIG_CPU_MIPS32_R1)	+= $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
 			-Wa,-mips32 -Wa,--trap
 cflags-$(CONFIG_CPU_MIPS32_R2)	+= $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \