diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 74ba763..1443024 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -408,7 +408,7 @@ config MOMENCO_OCELOT_C
 	select SWAP_IO_SPACE
 	select SYS_HAS_CPU_RM7000
 	select SYS_SUPPORTS_32BIT_KERNEL
-	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
+	select SYS_SUPPORTS_64BIT_KERNEL
 	select SYS_SUPPORTS_BIG_ENDIAN
 	help
 	  The Ocelot is a MIPS-based Single Board Computer (SBC) made by
@@ -425,9 +425,8 @@ config MOMENCO_OCELOT_G
 	select SWAP_IO_SPACE
 	select SYS_HAS_CPU_RM7000
 	select SYS_SUPPORTS_32BIT_KERNEL
-	select SYS_SUPPORTS_64BIT_KERNEL
+	select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
 	select SYS_SUPPORTS_BIG_ENDIAN
-	select ARCH_SPARSEMEM_ENABLE
 	help
 	  The Ocelot is a MIPS-based Single Board Computer (SBC) made by
 	  Momentum Computer <http://www.momenco.com/>.
@@ -560,6 +559,7 @@ config SGI_IP27
 	select SYS_SUPPORTS_64BIT_KERNEL
 	select SYS_SUPPORTS_BIG_ENDIAN
 	select SYS_SUPPORTS_NUMA
+	select SYS_SUPPORTS_SMP
 	help
 	  This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
 	  workstations.  To compile a Linux kernel that runs on these, say Y
@@ -1633,9 +1633,6 @@ config ARCH_DISCONTIGMEM_ENABLE
 
 config ARCH_SPARSEMEM_ENABLE
 	bool
-
-config ARCH_SPARSEMEM_ENABLE
-	bool
 	select SPARSEMEM_STATIC
 
 config NUMA
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 641aa30..d580d46 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -63,7 +63,9 @@ cflags-y		+= -mabi=64
 ifdef CONFIG_BUILD_ELF64
 cflags-y		+= $(call cc-option,-mno-explicit-relocs)
 else
-cflags-y		+= $(call cc-option,-msym32)
+# -msym32 can not be used for modules since they are loaded into XKSEG
+CFLAGS_MODULE		+= $(call cc-option,-mno-explicit-relocs)
+CFLAGS_KERNEL		+= $(call cc-option,-msym32)
 endif
 endif
 
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index fdbb508..8f6e896 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -223,7 +223,11 @@ disable:
 
 #else  /* !CONFIG_BLK_DEV_INITRD */
 
-#define init_initrd()		0
+static unsigned long __init init_initrd(void)
+{
+	return 0;
+}
+
 #define finalize_initrd()	do {} while (0)
 
 #endif
diff --git a/arch/mips/momentum/ocelot_g/gt-irq.c b/arch/mips/momentum/ocelot_g/gt-irq.c
index 7b5cc66..e5576bd 100644
--- a/arch/mips/momentum/ocelot_g/gt-irq.c
+++ b/arch/mips/momentum/ocelot_g/gt-irq.c
@@ -27,7 +27,7 @@ unsigned long bus_clock;
  * be handled and ack'ed differently than other MIPS interrupts.
  */
 
-#if CURRENTLY_UNUSED
+#if 0
 
 struct tq_struct irq_handlers[MAX_CAUSE_REGS][MAX_CAUSE_REG_WIDTH];
 void hook_irq_handler(int int_cause, int bit_num, void *isr_ptr);
@@ -95,7 +95,7 @@ int disable_galileo_irq(int int_cause, int bit_num)
 		return 0;
 	return 1;
 }
-#endif				/*  UNUSED  */
+#endif /* 0 */
 
 /*
  * Interrupt handler for interrupts coming from the Galileo chip via P0_INT#.
@@ -196,7 +196,7 @@ void gt64240_time_init(void)
 
 void gt64240_irq_init(void)
 {
-#if CURRENTLY_UNUSED
+#if 0
 	int i, j;
 
 	/* Reset irq handlers pointers to NULL */
@@ -208,5 +208,5 @@ void gt64240_irq_init(void)
 			irq_handlers[i][j].data = NULL;
 		}
 	}
-#endif
+#endif /* 0 */
 }
diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h
index dcb4701..3056fee 100644
--- a/include/asm-mips/system.h
+++ b/include/asm-mips/system.h
@@ -392,7 +392,7 @@ static inline unsigned long __cmpxchg_u64(volatile int * m, unsigned long old,
 {
 	__u64 retval;
 
-	if (cpu_has_llsc) {
+	if (cpu_has_llsc && R10000_LLSC_WAR) {
 		__asm__ __volatile__(
 		"	.set	push					\n"
 		"	.set	noat					\n"