Our binutils somehow ended up with a -mfix-gs2f-kernel, rather than
-mfix-ls2f-kernel.  Cope with it.

Index: arch/mips/loongson/Platform
===================================================================
--- arch/mips/loongson/Platform.orig	2010-10-25 19:09:49.000000000 +0000
+++ arch/mips/loongson/Platform	2010-10-25 19:10:44.000000000 +0000
@@ -10,6 +10,12 @@
 	$(call cc-option,-march=loongson2f,-march=r4600)
 # Enable the workarounds for Loongson2f
 ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS
+ ifneq ($(call as-option,-Wa$(comma)-mfix-gs2f-kernel,),)
+   cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa$(comma)-mfix-gs2f-kernel
+   ifneq ($(CONFIG_CPU_NOP_WORKAROUNDS),$(CONFIG_CPU_JUMP_WORKAROUNDS))
+     cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa$(comma)-mfix-gs2f-kernel
+   endif
+ else
   ifeq ($(call as-option,-Wa$(comma)-mfix-loongson2f-nop,),)
     $(error only binutils >= 2.20.2 have needed option -mfix-loongson2f-nop)
   else
@@ -20,6 +26,7 @@
   else
     cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa$(comma)-mfix-loongson2f-jump
   endif
+ endif
 endif
 
 #