diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 260b27367347b1da080e4045f00a54fa87656754..d3a9f012aa0a57db9549d13a5d9ee26151218164 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -24,7 +24,6 @@
 #include <asm/processor.h>
 #include <asm/reboot.h>
 #include <asm/smp-ops.h>
-#include <asm/system.h>
 #include <asm/irq_cpu.h>
 #include <asm/mipsregs.h>
 #include <asm/bootinfo.h>
diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c
index b1535fe409d4b50935654cf04634ab81139c2992..c3e2b85c3b0294ef75315e683100c730ace5820a 100644
--- a/arch/mips/cavium-octeon/smp.c
+++ b/arch/mips/cavium-octeon/smp.c
@@ -15,8 +15,8 @@
 #include <linux/module.h>
 
 #include <asm/mmu_context.h>
-#include <asm/system.h>
 #include <asm/time.h>
+#include <asm/setup.h>
 
 #include <asm/octeon/octeon.h>
 
diff --git a/arch/mips/dec/ecc-berr.c b/arch/mips/dec/ecc-berr.c
index 7abce661b90f7826b67c587c9c6c185fa9dc4eeb..5abf4e894216ac4b683772f6b187e4e9337eb2d5 100644
--- a/arch/mips/dec/ecc-berr.c
+++ b/arch/mips/dec/ecc-berr.c
@@ -24,7 +24,6 @@
 #include <asm/irq_regs.h>
 #include <asm/processor.h>
 #include <asm/ptrace.h>
-#include <asm/system.h>
 #include <asm/traps.h>
 
 #include <asm/dec/ecc.h>
diff --git a/arch/mips/dec/kn01-berr.c b/arch/mips/dec/kn01-berr.c
index 94d23b4a7dc3e30afb4835a617b25d6d262e9b99..44d8a87a8a689580e26989e0410a7b4d24ee02ed 100644
--- a/arch/mips/dec/kn01-berr.c
+++ b/arch/mips/dec/kn01-berr.c
@@ -22,7 +22,6 @@
 #include <asm/mipsregs.h>
 #include <asm/page.h>
 #include <asm/ptrace.h>
-#include <asm/system.h>
 #include <asm/traps.h>
 #include <asm/uaccess.h>
 
diff --git a/arch/mips/dec/kn02xa-berr.c b/arch/mips/dec/kn02xa-berr.c
index 07ca5405d48d5c0c357683d31e6a7991f57ddade..ebb73c51d821e6c7fd45339686aed121668d96f4 100644
--- a/arch/mips/dec/kn02xa-berr.c
+++ b/arch/mips/dec/kn02xa-berr.c
@@ -21,7 +21,6 @@
 #include <asm/addrspace.h>
 #include <asm/irq_regs.h>
 #include <asm/ptrace.h>
-#include <asm/system.h>
 #include <asm/traps.h>
 
 #include <asm/dec/kn02ca.h>
diff --git a/arch/mips/dec/wbflush.c b/arch/mips/dec/wbflush.c
index 925c0525344bddaa69c6279c504f6c6659806824..43feddd5e19c307685bae54bf499793aae331b41 100644
--- a/arch/mips/dec/wbflush.c
+++ b/arch/mips/dec/wbflush.c
@@ -17,8 +17,8 @@
 #include <linux/init.h>
 
 #include <asm/bootinfo.h>
-#include <asm/system.h>
 #include <asm/wbflush.h>
+#include <asm/barrier.h>
 
 static void wbflush_kn01(void);
 static void wbflush_kn210(void);
diff --git a/arch/mips/emma/markeins/irq.c b/arch/mips/emma/markeins/irq.c
index 7798887a1288a7fc529e29d536287536a6dd628b..b5f08255d9c73411d2b9bc0e01653e8c3d6e1909 100644
--- a/arch/mips/emma/markeins/irq.c
+++ b/arch/mips/emma/markeins/irq.c
@@ -27,7 +27,6 @@
 #include <linux/delay.h>
 
 #include <asm/irq_cpu.h>
-#include <asm/system.h>
 #include <asm/mipsregs.h>
 #include <asm/addrspace.h>
 #include <asm/bootinfo.h>
diff --git a/arch/mips/fw/arc/misc.c b/arch/mips/fw/arc/misc.c
index 29627fbae7ad0e7700c1a6f29a20ffb251567b77..7cf80ca2c1d2117c239ba574406c6814ecb91961 100644
--- a/arch/mips/fw/arc/misc.c
+++ b/arch/mips/fw/arc/misc.c
@@ -17,7 +17,6 @@
 #include <asm/fw/arc/types.h>
 #include <asm/sgialib.h>
 #include <asm/bootinfo.h>
-#include <asm/system.h>
 
 VOID
 ArcHalt(VOID)
diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index 1d93f81d57e78ba208d0fb5ae8fea9c058ae4a54..3f4c5cb6433e2ac4765330353207d608cb1c68ed 100644
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -18,8 +18,8 @@
 #include <linux/types.h>
 #include <asm/barrier.h>
 #include <asm/cpu-features.h>
+#include <asm/cmpxchg.h>
 #include <asm/war.h>
-#include <asm/system.h>
 
 #define ATOMIC_INIT(i)    { (i) }
 
diff --git a/arch/mips/include/asm/barrier.h b/arch/mips/include/asm/barrier.h
index c0884f02d3a64ea2a7ad8b1a042a19e69a905a03..f7fdc24e972da152ddadaa526f83aaba8bcc0f8b 100644
--- a/arch/mips/include/asm/barrier.h
+++ b/arch/mips/include/asm/barrier.h
@@ -8,6 +8,8 @@
 #ifndef __ASM_BARRIER_H
 #define __ASM_BARRIER_H
 
+#include <asm/addrspace.h>
+
 /*
  * read_barrier_depends - Flush all pending reads that subsequents reads
  * depend on.
diff --git a/arch/mips/include/asm/cmpxchg.h b/arch/mips/include/asm/cmpxchg.h
index d8d1c2805ac71c7c67b4e1043d15e4e072845f78..285a41fa0b18dd0412a291805781f8d811ee82de 100644
--- a/arch/mips/include/asm/cmpxchg.h
+++ b/arch/mips/include/asm/cmpxchg.h
@@ -9,6 +9,130 @@
 #define __ASM_CMPXCHG_H
 
 #include <linux/irqflags.h>
+#include <asm/war.h>
+
+static inline unsigned long __xchg_u32(volatile int * m, unsigned int val)
+{
+	__u32 retval;
+
+	smp_mb__before_llsc();
+
+	if (kernel_uses_llsc && R10000_LLSC_WAR) {
+		unsigned long dummy;
+
+		__asm__ __volatile__(
+		"	.set	mips3					\n"
+		"1:	ll	%0, %3			# xchg_u32	\n"
+		"	.set	mips0					\n"
+		"	move	%2, %z4					\n"
+		"	.set	mips3					\n"
+		"	sc	%2, %1					\n"
+		"	beqzl	%2, 1b					\n"
+		"	.set	mips0					\n"
+		: "=&r" (retval), "=m" (*m), "=&r" (dummy)
+		: "R" (*m), "Jr" (val)
+		: "memory");
+	} else if (kernel_uses_llsc) {
+		unsigned long dummy;
+
+		do {
+			__asm__ __volatile__(
+			"	.set	mips3				\n"
+			"	ll	%0, %3		# xchg_u32	\n"
+			"	.set	mips0				\n"
+			"	move	%2, %z4				\n"
+			"	.set	mips3				\n"
+			"	sc	%2, %1				\n"
+			"	.set	mips0				\n"
+			: "=&r" (retval), "=m" (*m), "=&r" (dummy)
+			: "R" (*m), "Jr" (val)
+			: "memory");
+		} while (unlikely(!dummy));
+	} else {
+		unsigned long flags;
+
+		raw_local_irq_save(flags);
+		retval = *m;
+		*m = val;
+		raw_local_irq_restore(flags);	/* implies memory barrier  */
+	}
+
+	smp_llsc_mb();
+
+	return retval;
+}
+
+#ifdef CONFIG_64BIT
+static inline __u64 __xchg_u64(volatile __u64 * m, __u64 val)
+{
+	__u64 retval;
+
+	smp_mb__before_llsc();
+
+	if (kernel_uses_llsc && R10000_LLSC_WAR) {
+		unsigned long dummy;
+
+		__asm__ __volatile__(
+		"	.set	mips3					\n"
+		"1:	lld	%0, %3			# xchg_u64	\n"
+		"	move	%2, %z4					\n"
+		"	scd	%2, %1					\n"
+		"	beqzl	%2, 1b					\n"
+		"	.set	mips0					\n"
+		: "=&r" (retval), "=m" (*m), "=&r" (dummy)
+		: "R" (*m), "Jr" (val)
+		: "memory");
+	} else if (kernel_uses_llsc) {
+		unsigned long dummy;
+
+		do {
+			__asm__ __volatile__(
+			"	.set	mips3				\n"
+			"	lld	%0, %3		# xchg_u64	\n"
+			"	move	%2, %z4				\n"
+			"	scd	%2, %1				\n"
+			"	.set	mips0				\n"
+			: "=&r" (retval), "=m" (*m), "=&r" (dummy)
+			: "R" (*m), "Jr" (val)
+			: "memory");
+		} while (unlikely(!dummy));
+	} else {
+		unsigned long flags;
+
+		raw_local_irq_save(flags);
+		retval = *m;
+		*m = val;
+		raw_local_irq_restore(flags);	/* implies memory barrier  */
+	}
+
+	smp_llsc_mb();
+
+	return retval;
+}
+#else
+extern __u64 __xchg_u64_unsupported_on_32bit_kernels(volatile __u64 * m, __u64 val);
+#define __xchg_u64 __xchg_u64_unsupported_on_32bit_kernels
+#endif
+
+static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size)
+{
+	switch (size) {
+	case 4:
+		return __xchg_u32(ptr, x);
+	case 8:
+		return __xchg_u64(ptr, x);
+	}
+
+	return x;
+}
+
+#define xchg(ptr, x)							\
+({									\
+	BUILD_BUG_ON(sizeof(*(ptr)) & ~0xc);				\
+									\
+	((__typeof__(*(ptr)))						\
+		__xchg((unsigned long)(x), (ptr), sizeof(*(ptr))));	\
+})
 
 #define __HAVE_ARCH_CMPXCHG 1
 
diff --git a/arch/mips/include/asm/dma.h b/arch/mips/include/asm/dma.h
index 2d47da62d5a7d25dec4c4361c15e2170770158ee..f5097f65a8abae4e436588bbdc939ea4a30eaedb 100644
--- a/arch/mips/include/asm/dma.h
+++ b/arch/mips/include/asm/dma.h
@@ -15,7 +15,6 @@
 #include <asm/io.h>			/* need byte IO */
 #include <linux/spinlock.h>		/* And spinlocks */
 #include <linux/delay.h>
-#include <asm/system.h>
 
 
 #ifdef HAVE_REALLY_SLOW_DMA_CONTROLLER
diff --git a/arch/mips/include/asm/exec.h b/arch/mips/include/asm/exec.h
new file mode 100644
index 0000000000000000000000000000000000000000..c1f6afa4bc4f9e7fdef4956044d454e80bdab27c
--- /dev/null
+++ b/arch/mips/include/asm/exec.h
@@ -0,0 +1,17 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994, 95, 96, 97, 98, 99, 2003, 06 by Ralf Baechle
+ * Copyright (C) 1996 by Paul M. Antoine
+ * Copyright (C) 1999 Silicon Graphics
+ * Kevin D. Kissell, kevink@mips.org and Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 2000 MIPS Technologies, Inc.
+ */
+#ifndef _ASM_EXEC_H
+#define _ASM_EXEC_H
+
+extern unsigned long arch_align_stack(unsigned long sp);
+
+#endif /* _ASM_EXEC_H */
diff --git a/arch/mips/include/asm/mach-au1x00/au1000_dma.h b/arch/mips/include/asm/mach-au1x00/au1000_dma.h
index 59f5b55b22000baff7df5afb720c02ea0bc5d024..ba4cf0e91c8b40a1306563f57f5d124a4ff305c0 100644
--- a/arch/mips/include/asm/mach-au1x00/au1000_dma.h
+++ b/arch/mips/include/asm/mach-au1x00/au1000_dma.h
@@ -33,7 +33,6 @@
 #include <linux/io.h>		/* need byte IO */
 #include <linux/spinlock.h>	/* And spinlocks */
 #include <linux/delay.h>
-#include <asm/system.h>
 
 #define NUM_AU1000_DMA_CHANNELS	8
 
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index c104f1039a691b6338eee30a89a6c5c0bebec9db..20e9dcf42b27461f0584f01f79cfc3c1bb385edc 100644
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -19,7 +19,6 @@
 #include <asm/cpu-info.h>
 #include <asm/mipsregs.h>
 #include <asm/prefetch.h>
-#include <asm/system.h>
 
 /*
  * Return current * instruction pointer ("program counter").
@@ -356,6 +355,12 @@ unsigned long get_wchan(struct task_struct *p);
 #define ARCH_HAS_PREFETCHW
 #define prefetchw(x) __builtin_prefetch((x), 1, 1)
 
+/*
+ * See Documentation/scheduler/sched-arch.txt; prevents deadlock on SMP
+ * systems.
+ */
+#define __ARCH_WANT_UNLOCKED_CTXSW
+
 #endif
 
 #endif /* _ASM_PROCESSOR_H */
diff --git a/arch/mips/include/asm/setup.h b/arch/mips/include/asm/setup.h
index 50511aac04e91de24f7565f515ab63f99476d1df..6dce6d8d09ab08d77042c9b89a37da65e2c82f8d 100644
--- a/arch/mips/include/asm/setup.h
+++ b/arch/mips/include/asm/setup.h
@@ -5,6 +5,17 @@
 
 #ifdef  __KERNEL__
 extern void setup_early_printk(void);
+
+extern void set_handler(unsigned long offset, void *addr, unsigned long len);
+extern void set_uncached_handler(unsigned long offset, void *addr, unsigned long len);
+
+typedef void (*vi_handler_t)(void);
+extern void *set_vi_handler(int n, vi_handler_t addr);
+
+extern void *set_except_vector(int n, void *addr);
+extern unsigned long ebase;
+extern void per_cpu_trap_init(void);
+
 #endif /* __KERNEL__ */
 
 #endif /* __SETUP_H */
diff --git a/arch/mips/include/asm/switch_to.h b/arch/mips/include/asm/switch_to.h
new file mode 100644
index 0000000000000000000000000000000000000000..5d33621b5658f9c46314f4fcc1d2d123eaaf83d5
--- /dev/null
+++ b/arch/mips/include/asm/switch_to.h
@@ -0,0 +1,85 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994, 95, 96, 97, 98, 99, 2003, 06 by Ralf Baechle
+ * Copyright (C) 1996 by Paul M. Antoine
+ * Copyright (C) 1999 Silicon Graphics
+ * Kevin D. Kissell, kevink@mips.org and Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 2000 MIPS Technologies, Inc.
+ */
+#ifndef _ASM_SWITCH_TO_H
+#define _ASM_SWITCH_TO_H
+
+#include <asm/cpu-features.h>
+#include <asm/watch.h>
+#include <asm/dsp.h>
+
+struct task_struct;
+
+/*
+ * switch_to(n) should switch tasks to task nr n, first
+ * checking that n isn't the current task, in which case it does nothing.
+ */
+extern asmlinkage void *resume(void *last, void *next, void *next_ti);
+
+extern unsigned int ll_bit;
+extern struct task_struct *ll_task;
+
+#ifdef CONFIG_MIPS_MT_FPAFF
+
+/*
+ * Handle the scheduler resume end of FPU affinity management.  We do this
+ * inline to try to keep the overhead down. If we have been forced to run on
+ * a "CPU" with an FPU because of a previous high level of FP computation,
+ * but did not actually use the FPU during the most recent time-slice (CU1
+ * isn't set), we undo the restriction on cpus_allowed.
+ *
+ * We're not calling set_cpus_allowed() here, because we have no need to
+ * force prompt migration - we're already switching the current CPU to a
+ * different thread.
+ */
+
+#define __mips_mt_fpaff_switch_to(prev)					\
+do {									\
+	struct thread_info *__prev_ti = task_thread_info(prev);		\
+									\
+	if (cpu_has_fpu &&						\
+	    test_ti_thread_flag(__prev_ti, TIF_FPUBOUND) &&		\
+	    (!(KSTK_STATUS(prev) & ST0_CU1))) {				\
+		clear_ti_thread_flag(__prev_ti, TIF_FPUBOUND);		\
+		prev->cpus_allowed = prev->thread.user_cpus_allowed;	\
+	}								\
+	next->thread.emulated_fp = 0;					\
+} while(0)
+
+#else
+#define __mips_mt_fpaff_switch_to(prev) do { (void) (prev); } while (0)
+#endif
+
+#define __clear_software_ll_bit()					\
+do {									\
+	if (!__builtin_constant_p(cpu_has_llsc) || !cpu_has_llsc)	\
+		ll_bit = 0;						\
+} while (0)
+
+#define switch_to(prev, next, last)					\
+do {									\
+	__mips_mt_fpaff_switch_to(prev);				\
+	if (cpu_has_dsp)						\
+		__save_dsp(prev);					\
+	__clear_software_ll_bit();					\
+	(last) = resume(prev, next, task_thread_info(next));		\
+} while (0)
+
+#define finish_arch_switch(prev)					\
+do {									\
+	if (cpu_has_dsp)						\
+		__restore_dsp(current);					\
+	if (cpu_has_userlocal)						\
+		write_c0_userlocal(current_thread_info()->tp_value);	\
+	__restore_watch();						\
+} while (0)
+
+#endif /* _ASM_SWITCH_TO_H */
diff --git a/arch/mips/include/asm/system.h b/arch/mips/include/asm/system.h
index 6018c80ce37a0add5dde7a60d0979c397ea188be..a7f40578587c912c41cbe0eedfc9b8fbf0caaec0 100644
--- a/arch/mips/include/asm/system.h
+++ b/arch/mips/include/asm/system.h
@@ -1,235 +1,5 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1994, 95, 96, 97, 98, 99, 2003, 06 by Ralf Baechle
- * Copyright (C) 1996 by Paul M. Antoine
- * Copyright (C) 1999 Silicon Graphics
- * Kevin D. Kissell, kevink@mips.org and Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 2000 MIPS Technologies, Inc.
- */
-#ifndef _ASM_SYSTEM_H
-#define _ASM_SYSTEM_H
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/irqflags.h>
-
-#include <asm/addrspace.h>
+/* FILE TO BE DELETED. DO NOT ADD STUFF HERE! */
 #include <asm/barrier.h>
 #include <asm/cmpxchg.h>
-#include <asm/cpu-features.h>
-#include <asm/dsp.h>
-#include <asm/watch.h>
-#include <asm/war.h>
-
-
-/*
- * switch_to(n) should switch tasks to task nr n, first
- * checking that n isn't the current task, in which case it does nothing.
- */
-extern asmlinkage void *resume(void *last, void *next, void *next_ti);
-
-struct task_struct;
-
-extern unsigned int ll_bit;
-extern struct task_struct *ll_task;
-
-#ifdef CONFIG_MIPS_MT_FPAFF
-
-/*
- * Handle the scheduler resume end of FPU affinity management.  We do this
- * inline to try to keep the overhead down. If we have been forced to run on
- * a "CPU" with an FPU because of a previous high level of FP computation,
- * but did not actually use the FPU during the most recent time-slice (CU1
- * isn't set), we undo the restriction on cpus_allowed.
- *
- * We're not calling set_cpus_allowed() here, because we have no need to
- * force prompt migration - we're already switching the current CPU to a
- * different thread.
- */
-
-#define __mips_mt_fpaff_switch_to(prev)					\
-do {									\
-	struct thread_info *__prev_ti = task_thread_info(prev);		\
-									\
-	if (cpu_has_fpu &&						\
-	    test_ti_thread_flag(__prev_ti, TIF_FPUBOUND) &&		\
-	    (!(KSTK_STATUS(prev) & ST0_CU1))) {				\
-		clear_ti_thread_flag(__prev_ti, TIF_FPUBOUND);		\
-		prev->cpus_allowed = prev->thread.user_cpus_allowed;	\
-	}								\
-	next->thread.emulated_fp = 0;					\
-} while(0)
-
-#else
-#define __mips_mt_fpaff_switch_to(prev) do { (void) (prev); } while (0)
-#endif
-
-#define __clear_software_ll_bit()					\
-do {									\
-	if (!__builtin_constant_p(cpu_has_llsc) || !cpu_has_llsc)	\
-		ll_bit = 0;						\
-} while (0)
-
-#define switch_to(prev, next, last)					\
-do {									\
-	__mips_mt_fpaff_switch_to(prev);				\
-	if (cpu_has_dsp)						\
-		__save_dsp(prev);					\
-	__clear_software_ll_bit();					\
-	(last) = resume(prev, next, task_thread_info(next));		\
-} while (0)
-
-#define finish_arch_switch(prev)					\
-do {									\
-	if (cpu_has_dsp)						\
-		__restore_dsp(current);					\
-	if (cpu_has_userlocal)						\
-		write_c0_userlocal(current_thread_info()->tp_value);	\
-	__restore_watch();						\
-} while (0)
-
-static inline unsigned long __xchg_u32(volatile int * m, unsigned int val)
-{
-	__u32 retval;
-
-	smp_mb__before_llsc();
-
-	if (kernel_uses_llsc && R10000_LLSC_WAR) {
-		unsigned long dummy;
-
-		__asm__ __volatile__(
-		"	.set	mips3					\n"
-		"1:	ll	%0, %3			# xchg_u32	\n"
-		"	.set	mips0					\n"
-		"	move	%2, %z4					\n"
-		"	.set	mips3					\n"
-		"	sc	%2, %1					\n"
-		"	beqzl	%2, 1b					\n"
-		"	.set	mips0					\n"
-		: "=&r" (retval), "=m" (*m), "=&r" (dummy)
-		: "R" (*m), "Jr" (val)
-		: "memory");
-	} else if (kernel_uses_llsc) {
-		unsigned long dummy;
-
-		do {
-			__asm__ __volatile__(
-			"	.set	mips3				\n"
-			"	ll	%0, %3		# xchg_u32	\n"
-			"	.set	mips0				\n"
-			"	move	%2, %z4				\n"
-			"	.set	mips3				\n"
-			"	sc	%2, %1				\n"
-			"	.set	mips0				\n"
-			: "=&r" (retval), "=m" (*m), "=&r" (dummy)
-			: "R" (*m), "Jr" (val)
-			: "memory");
-		} while (unlikely(!dummy));
-	} else {
-		unsigned long flags;
-
-		raw_local_irq_save(flags);
-		retval = *m;
-		*m = val;
-		raw_local_irq_restore(flags);	/* implies memory barrier  */
-	}
-
-	smp_llsc_mb();
-
-	return retval;
-}
-
-#ifdef CONFIG_64BIT
-static inline __u64 __xchg_u64(volatile __u64 * m, __u64 val)
-{
-	__u64 retval;
-
-	smp_mb__before_llsc();
-
-	if (kernel_uses_llsc && R10000_LLSC_WAR) {
-		unsigned long dummy;
-
-		__asm__ __volatile__(
-		"	.set	mips3					\n"
-		"1:	lld	%0, %3			# xchg_u64	\n"
-		"	move	%2, %z4					\n"
-		"	scd	%2, %1					\n"
-		"	beqzl	%2, 1b					\n"
-		"	.set	mips0					\n"
-		: "=&r" (retval), "=m" (*m), "=&r" (dummy)
-		: "R" (*m), "Jr" (val)
-		: "memory");
-	} else if (kernel_uses_llsc) {
-		unsigned long dummy;
-
-		do {
-			__asm__ __volatile__(
-			"	.set	mips3				\n"
-			"	lld	%0, %3		# xchg_u64	\n"
-			"	move	%2, %z4				\n"
-			"	scd	%2, %1				\n"
-			"	.set	mips0				\n"
-			: "=&r" (retval), "=m" (*m), "=&r" (dummy)
-			: "R" (*m), "Jr" (val)
-			: "memory");
-		} while (unlikely(!dummy));
-	} else {
-		unsigned long flags;
-
-		raw_local_irq_save(flags);
-		retval = *m;
-		*m = val;
-		raw_local_irq_restore(flags);	/* implies memory barrier  */
-	}
-
-	smp_llsc_mb();
-
-	return retval;
-}
-#else
-extern __u64 __xchg_u64_unsupported_on_32bit_kernels(volatile __u64 * m, __u64 val);
-#define __xchg_u64 __xchg_u64_unsupported_on_32bit_kernels
-#endif
-
-static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size)
-{
-	switch (size) {
-	case 4:
-		return __xchg_u32(ptr, x);
-	case 8:
-		return __xchg_u64(ptr, x);
-	}
-
-	return x;
-}
-
-#define xchg(ptr, x)							\
-({									\
-	BUILD_BUG_ON(sizeof(*(ptr)) & ~0xc);				\
-									\
-	((__typeof__(*(ptr)))						\
-		__xchg((unsigned long)(x), (ptr), sizeof(*(ptr))));	\
-})
-
-extern void set_handler(unsigned long offset, void *addr, unsigned long len);
-extern void set_uncached_handler(unsigned long offset, void *addr, unsigned long len);
-
-typedef void (*vi_handler_t)(void);
-extern void *set_vi_handler(int n, vi_handler_t addr);
-
-extern void *set_except_vector(int n, void *addr);
-extern unsigned long ebase;
-extern void per_cpu_trap_init(void);
-
-/*
- * See include/asm-ia64/system.h; prevents deadlock on SMP
- * systems.
- */
-#define __ARCH_WANT_UNLOCKED_CTXSW
-
-extern unsigned long arch_align_stack(unsigned long sp);
-
-#endif /* _ASM_SYSTEM_H */
+#include <asm/exec.h>
+#include <asm/switch_to.h>
diff --git a/arch/mips/include/asm/txx9/jmr3927.h b/arch/mips/include/asm/txx9/jmr3927.h
index a409c446bf18772c629d0711d654db2656c6d78a..8808d7f82da022a7cde69f52900699c65739d3db 100644
--- a/arch/mips/include/asm/txx9/jmr3927.h
+++ b/arch/mips/include/asm/txx9/jmr3927.h
@@ -12,7 +12,6 @@
 
 #include <asm/txx9/tx3927.h>
 #include <asm/addrspace.h>
-#include <asm/system.h>
 #include <asm/txx9irq.h>
 
 /* CS */
diff --git a/arch/mips/kernel/cpu-bugs64.c b/arch/mips/kernel/cpu-bugs64.c
index f305ca14351b77a10977a87ad5e9ec017f0e9148..d6a18644365ac07df1a7fe5ddb1d3a1629539560 100644
--- a/arch/mips/kernel/cpu-bugs64.c
+++ b/arch/mips/kernel/cpu-bugs64.c
@@ -16,7 +16,7 @@
 #include <asm/cpu.h>
 #include <asm/fpu.h>
 #include <asm/mipsregs.h>
-#include <asm/system.h>
+#include <asm/setup.h>
 
 static char bug64hit[] __initdata =
 	"reliable operation impossible!\n%s";
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 0bab464b8e33be322e64dacc1263189c71dbb1ac..5099201fb7bc9933f6b939697a5d93fc02520ea9 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -22,7 +22,6 @@
 #include <asm/cpu.h>
 #include <asm/fpu.h>
 #include <asm/mipsregs.h>
-#include <asm/system.h>
 #include <asm/watch.h>
 #include <asm/elf.h>
 #include <asm/spram.h>
diff --git a/arch/mips/kernel/irq-rm7000.c b/arch/mips/kernel/irq-rm7000.c
index a8a8977d58872f5973401adb691f2232937d3a73..b0662cf97ea86532a96a5688bedcbca55c981242 100644
--- a/arch/mips/kernel/irq-rm7000.c
+++ b/arch/mips/kernel/irq-rm7000.c
@@ -16,7 +16,6 @@
 
 #include <asm/irq_cpu.h>
 #include <asm/mipsregs.h>
-#include <asm/system.h>
 
 static inline void unmask_rm7k_irq(struct irq_data *d)
 {
diff --git a/arch/mips/kernel/irq-rm9000.c b/arch/mips/kernel/irq-rm9000.c
index 38874a4b9255b918af63b94f289c60a4d41523cc..1282b9ae81c4438fa4415e645e7ec7e9e4c9693a 100644
--- a/arch/mips/kernel/irq-rm9000.c
+++ b/arch/mips/kernel/irq-rm9000.c
@@ -17,7 +17,6 @@
 
 #include <asm/irq_cpu.h>
 #include <asm/mipsregs.h>
-#include <asm/system.h>
 
 static inline void unmask_rm9k_irq(struct irq_data *d)
 {
diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c
index 7f50318061b5689d295bbafe3b7eaa71da82dea1..a5aa43d07c8ed2fca645cd865bb596eed8db177e 100644
--- a/arch/mips/kernel/irq.c
+++ b/arch/mips/kernel/irq.c
@@ -23,7 +23,6 @@
 #include <linux/ftrace.h>
 
 #include <linux/atomic.h>
-#include <asm/system.h>
 #include <asm/uaccess.h>
 
 #ifdef CONFIG_KGDB
diff --git a/arch/mips/kernel/irq_cpu.c b/arch/mips/kernel/irq_cpu.c
index 191eb52228c415d1080c1ab7eca2fd9e9e7def7d..972263bcf403fca9491cd36628651e06f00c279a 100644
--- a/arch/mips/kernel/irq_cpu.c
+++ b/arch/mips/kernel/irq_cpu.c
@@ -35,7 +35,6 @@
 #include <asm/irq_cpu.h>
 #include <asm/mipsregs.h>
 #include <asm/mipsmtregs.h>
-#include <asm/system.h>
 
 static inline void unmask_mips_irq(struct irq_data *d)
 {
diff --git a/arch/mips/kernel/mips-mt.c b/arch/mips/kernel/mips-mt.c
index c23d11f6851de3116125f21cb88a73ceb9e4f5a1..7f3376b1c2197f509cd9dcd85fcbc3e7e3173842 100644
--- a/arch/mips/kernel/mips-mt.c
+++ b/arch/mips/kernel/mips-mt.c
@@ -13,7 +13,6 @@
 #include <asm/cpu.h>
 #include <asm/processor.h>
 #include <linux/atomic.h>
-#include <asm/system.h>
 #include <asm/hardirq.h>
 #include <asm/mmu_context.h>
 #include <asm/mipsmtregs.h>
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 61f1cb45a1d5ff2539c251662ac5db66dd770ff9..e9a5fd7277f4fd580172a5630d604e443c60513d 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -32,7 +32,6 @@
 #include <asm/dsp.h>
 #include <asm/fpu.h>
 #include <asm/pgtable.h>
-#include <asm/system.h>
 #include <asm/mipsregs.h>
 #include <asm/processor.h>
 #include <asm/uaccess.h>
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 7786b608d9322289ce23a83eb5205b50b57f3cb6..7c24c2973c6d2ec7d5092a57b4d447aaa935a541 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -34,7 +34,6 @@
 #include <asm/mipsmtregs.h>
 #include <asm/pgtable.h>
 #include <asm/page.h>
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/bootinfo.h>
 #include <asm/reg.h>
diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c
index 32644b4a07144979be8d1466ad639787abcf795d..a3b017815eff0bc3e8e918276de132b2fc336f84 100644
--- a/arch/mips/kernel/ptrace32.c
+++ b/arch/mips/kernel/ptrace32.c
@@ -32,7 +32,6 @@
 #include <asm/mipsmtregs.h>
 #include <asm/pgtable.h>
 #include <asm/page.h>
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/bootinfo.h>
 
diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c
index a9d801dec6b03c77b0ab5a1d05fa691798f59be1..b8c18dcdd2c439999f981ee8edff808b8a06c0f5 100644
--- a/arch/mips/kernel/rtlx.c
+++ b/arch/mips/kernel/rtlx.c
@@ -38,7 +38,6 @@
 #include <linux/atomic.h>
 #include <asm/cpu.h>
 #include <asm/processor.h>
-#include <asm/system.h>
 #include <asm/vpe.h>
 #include <asm/rtlx.h>
 
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 058e964e730344dc51adc3ed9737c97d0b4fc51f..c504b212f8f3f968ede65e514cbcc96168c7c330 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -31,7 +31,6 @@
 #include <asm/sections.h>
 #include <asm/setup.h>
 #include <asm/smp-ops.h>
-#include <asm/system.h>
 #include <asm/prom.h>
 
 struct cpuinfo_mips cpu_data[NR_CPUS] __read_mostly;
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index f8524003676ac99f06d0ebb297206dfab415edce..185ca00c4c84d53be39e2d7e98031f37b6a0d5bf 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -34,6 +34,7 @@
 #include <asm/cpu-features.h>
 #include <asm/war.h>
 #include <asm/vdso.h>
+#include <asm/dsp.h>
 
 #include "signal-common.h"
 
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index aae986613795d928fa1228331c1526f8ed9e2a56..06b5da392e243ec652ba0a2e1dd25128ac005305 100644
--- a/arch/mips/kernel/signal32.c
+++ b/arch/mips/kernel/signal32.c
@@ -29,10 +29,10 @@
 #include <asm/cacheflush.h>
 #include <asm/sim.h>
 #include <asm/ucontext.h>
-#include <asm/system.h>
 #include <asm/fpu.h>
 #include <asm/war.h>
 #include <asm/vdso.h>
+#include <asm/dsp.h>
 
 #include "signal-common.h"
 
diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c
index ee24d814d5b91bb474ff3ff114e49f86618cdeae..ae29e894ab8d0f0cf099d28dbcc1f6cf0751e546 100644
--- a/arch/mips/kernel/signal_n32.c
+++ b/arch/mips/kernel/signal_n32.c
@@ -35,7 +35,6 @@
 #include <asm/sim.h>
 #include <asm/uaccess.h>
 #include <asm/ucontext.h>
-#include <asm/system.h>
 #include <asm/fpu.h>
 #include <asm/cpu-features.h>
 #include <asm/war.h>
diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c
index d5e950ab852792b15c2226f193f55061719f0e20..ca673569fd2421d390fbdd33029b98110727acae 100644
--- a/arch/mips/kernel/smp-bmips.c
+++ b/arch/mips/kernel/smp-bmips.c
@@ -28,7 +28,6 @@
 #include <asm/time.h>
 #include <asm/pgtable.h>
 #include <asm/processor.h>
-#include <asm/system.h>
 #include <asm/bootinfo.h>
 #include <asm/pmon.h>
 #include <asm/cacheflush.h>
diff --git a/arch/mips/kernel/smp-cmp.c b/arch/mips/kernel/smp-cmp.c
index fe3095160655755f87fa7d0641d86b4916e3bc5a..e7e03ecf54959988e029e81783422fa0c5b78554 100644
--- a/arch/mips/kernel/smp-cmp.c
+++ b/arch/mips/kernel/smp-cmp.c
@@ -29,7 +29,6 @@
 #include <asm/cacheflush.h>
 #include <asm/cpu.h>
 #include <asm/processor.h>
-#include <asm/system.h>
 #include <asm/hardirq.h>
 #include <asm/mmu_context.h>
 #include <asm/smp.h>
diff --git a/arch/mips/kernel/smp-mt.c b/arch/mips/kernel/smp-mt.c
index ce9e286f0a74912560adaaa428efeaeac37d6c7d..ff17868734cf5f63922dc9c13193954396d7b212 100644
--- a/arch/mips/kernel/smp-mt.c
+++ b/arch/mips/kernel/smp-mt.c
@@ -28,7 +28,6 @@
 #include <asm/cacheflush.h>
 #include <asm/cpu.h>
 #include <asm/processor.h>
-#include <asm/system.h>
 #include <asm/hardirq.h>
 #include <asm/mmu_context.h>
 #include <asm/time.h>
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 32c1e954cd3761d4c0f6c7625440387cf011f149..9c1cce9de35fdf9ff28168a87f344b84ffc3370f 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -38,9 +38,9 @@
 #include <asm/cpu.h>
 #include <asm/processor.h>
 #include <asm/r4k-timer.h>
-#include <asm/system.h>
 #include <asm/mmu_context.h>
 #include <asm/time.h>
+#include <asm/setup.h>
 
 #ifdef CONFIG_MIPS_MT_SMTC
 #include <asm/mipsmtregs.h>
diff --git a/arch/mips/kernel/smtc-proc.c b/arch/mips/kernel/smtc-proc.c
index 928a5a61e1a61d58cd97df79330e732e2f7fc6c8..145771c0ed7a22be5f72584bfa0675f1c1078f70 100644
--- a/arch/mips/kernel/smtc-proc.c
+++ b/arch/mips/kernel/smtc-proc.c
@@ -11,7 +11,6 @@
 #include <asm/cpu.h>
 #include <asm/processor.h>
 #include <linux/atomic.h>
-#include <asm/system.h>
 #include <asm/hardirq.h>
 #include <asm/mmu_context.h>
 #include <asm/mipsregs.h>
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index 0a42ff3ff6a111992da86c13d726501b68b6d9da..c4f75bbc0bd6160deedbb7ec127feb6e2c3bdc7f 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -31,7 +31,6 @@
 #include <asm/cpu.h>
 #include <asm/processor.h>
 #include <linux/atomic.h>
-#include <asm/system.h>
 #include <asm/hardirq.h>
 #include <asm/hazards.h>
 #include <asm/irq.h>
diff --git a/arch/mips/kernel/spram.c b/arch/mips/kernel/spram.c
index 1821d12a6410b7b01ef2ec63e2ebdfca793f721e..6af08d896e20bdfd3ffc03bd7b03c99d6e7246d1 100644
--- a/arch/mips/kernel/spram.c
+++ b/arch/mips/kernel/spram.c
@@ -15,7 +15,6 @@
 
 #include <asm/fpu.h>
 #include <asm/mipsregs.h>
-#include <asm/system.h>
 #include <asm/r4kcache.h>
 #include <asm/hazards.h>
 
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index d02765708ddb9672a8ebe787068f1709d0e8d09b..b08220c82113ccd4a30a2dceac6832e2c199fabc 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -37,6 +37,7 @@
 #include <asm/shmparam.h>
 #include <asm/sysmips.h>
 #include <asm/uaccess.h>
+#include <asm/switch_to.h>
 
 /*
  * For historic reasons the pipe(2) syscall on MIPS has an unusual calling
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index d79ae5437b5871efda13f052c5f7511ccf9587b9..cfdaaa4cffc0a28fa60b662d6eccf992396ebe58 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -45,7 +45,6 @@
 #include <asm/pgtable.h>
 #include <asm/ptrace.h>
 #include <asm/sections.h>
-#include <asm/system.h>
 #include <asm/tlbdebug.h>
 #include <asm/traps.h>
 #include <asm/uaccess.h>
diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c
index aedb8941caa536c9ed76d07292ab63d905f9f7d2..9c58bdf58f23ba2b64b34dcb09f964e7cf3f95c5 100644
--- a/arch/mips/kernel/unaligned.c
+++ b/arch/mips/kernel/unaligned.c
@@ -85,7 +85,6 @@
 #include <asm/cop2.h>
 #include <asm/inst.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 
 #define STR(x)  __STR(x)
 #define __STR(x)  #x
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index bfa12a4f97b96e46d5339aa0bfbb96bfeed4459e..f6f91523cb1c40fdd6e6c988edffa8e8cfe42dc9 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -49,7 +49,6 @@
 #include <asm/cpu.h>
 #include <asm/mips_mt.h>
 #include <asm/processor.h>
-#include <asm/system.h>
 #include <asm/vpe.h>
 #include <asm/kspd.h>
 
diff --git a/arch/mips/lasat/reset.c b/arch/mips/lasat/reset.c
index b1e7a89fb73007353e45778f8eb5c4ecd467f239..e21f0b9a586e649824fb31802bdc817b4f7b7dd1 100644
--- a/arch/mips/lasat/reset.c
+++ b/arch/mips/lasat/reset.c
@@ -21,7 +21,6 @@
 #include <linux/pm.h>
 
 #include <asm/reboot.h>
-#include <asm/system.h>
 #include <asm/lasat/lasat.h>
 
 #include "picvue.h"
diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c
index 3c4a8c5ba7f2d3c95809e034d5a6ea45eb6a4f4e..384a3b0091ea33e507fe063c0b8b43a5ab714823 100644
--- a/arch/mips/math-emu/dsemul.c
+++ b/arch/mips/math-emu/dsemul.c
@@ -12,7 +12,6 @@
 #include <asm/uaccess.h>
 #include <asm/branch.h>
 #include <asm/mipsregs.h>
-#include <asm/system.h>
 #include <asm/cacheflush.h>
 
 #include <asm/fpu_emulator.h>
diff --git a/arch/mips/mipssim/sim_smtc.c b/arch/mips/mipssim/sim_smtc.c
index 915063991f6e0fd7605f1c48114502f25dd4a94a..3c104abd8aa5ebed2c565f8a99ab64a849b84475 100644
--- a/arch/mips/mipssim/sim_smtc.c
+++ b/arch/mips/mipssim/sim_smtc.c
@@ -28,7 +28,6 @@
 #include <asm/cpu.h>
 #include <asm/processor.h>
 #include <asm/smtc.h>
-#include <asm/system.h>
 #include <asm/mmu_context.h>
 #include <asm/smtc_ipi.h>
 
diff --git a/arch/mips/mipssim/sim_time.c b/arch/mips/mipssim/sim_time.c
index 5492c42f76507cb8d3e1c23b746f371bc10e5434..77bad3c04280c88f9a776217c36e8a9063140b8f 100644
--- a/arch/mips/mipssim/sim_time.c
+++ b/arch/mips/mipssim/sim_time.c
@@ -11,6 +11,7 @@
 #include <asm/hardirq.h>
 #include <asm/div64.h>
 #include <asm/cpu.h>
+#include <asm/setup.h>
 #include <asm/time.h>
 #include <asm/irq.h>
 #include <asm/mc146818-time.h>
diff --git a/arch/mips/mm/c-octeon.c b/arch/mips/mm/c-octeon.c
index cf7895db0739023629992e82e425fbf74389eb95..1f9ca07f53c8f33335cb316e11d6d61733e748cf 100644
--- a/arch/mips/mm/c-octeon.c
+++ b/arch/mips/mm/c-octeon.c
@@ -21,7 +21,6 @@
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/r4kcache.h>
-#include <asm/system.h>
 #include <asm/mmu_context.h>
 #include <asm/war.h>
 
diff --git a/arch/mips/mm/c-r3k.c b/arch/mips/mm/c-r3k.c
index 0765583d0c924f6252ccb313052c46be2d81315e..031c4c2cdf2e0144df401bcb13b3cb9fec28e2a0 100644
--- a/arch/mips/mm/c-r3k.c
+++ b/arch/mips/mm/c-r3k.c
@@ -18,7 +18,6 @@
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/mmu_context.h>
-#include <asm/system.h>
 #include <asm/isadep.h>
 #include <asm/io.h>
 #include <asm/bootinfo.h>
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index c97087d12d0779c2c4173564f41158417fa96406..bda8eb26ece74098ecaa49c2693ab40dd2bcb772 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -29,7 +29,6 @@
 #include <asm/pgtable.h>
 #include <asm/r4kcache.h>
 #include <asm/sections.h>
-#include <asm/system.h>
 #include <asm/mmu_context.h>
 #include <asm/war.h>
 #include <asm/cacheflush.h> /* for run_uncached() */
diff --git a/arch/mips/mm/c-tx39.c b/arch/mips/mm/c-tx39.c
index a43c197ccf8c48bd02f27281cba92df44221137b..87d23cada6d6d055efd41d3bf5fc486f5ec9db1a 100644
--- a/arch/mips/mm/c-tx39.c
+++ b/arch/mips/mm/c-tx39.c
@@ -18,7 +18,6 @@
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/mmu_context.h>
-#include <asm/system.h>
 #include <asm/isadep.h>
 #include <asm/io.h>
 #include <asm/bootinfo.h>
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index 69ebd586d7ffbef5029b8540ae3d021135035295..c14f6dfed9958008a60daf1447b9d7013e01aa8e 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -22,7 +22,6 @@
 
 #include <asm/branch.h>
 #include <asm/mmu_context.h>
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/ptrace.h>
 #include <asm/highmem.h>		/* For VMALLOC_END */
diff --git a/arch/mips/mm/page.c b/arch/mips/mm/page.c
index 36272f7d3744dc9d1a02e046f296b625a4c740cd..cc0b626858b3d0b6e34e5e510004083ce7bfba24 100644
--- a/arch/mips/mm/page.c
+++ b/arch/mips/mm/page.c
@@ -22,7 +22,6 @@
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/prefetch.h>
-#include <asm/system.h>
 #include <asm/bootinfo.h>
 #include <asm/mipsregs.h>
 #include <asm/mmu_context.h>
diff --git a/arch/mips/mm/sc-ip22.c b/arch/mips/mm/sc-ip22.c
index a6bd11fba7bf773f507130b3e90f57fe39b62904..1eb708ef75ff47cfa4ad8ff8acaca83fa5fdb1a3 100644
--- a/arch/mips/mm/sc-ip22.c
+++ b/arch/mips/mm/sc-ip22.c
@@ -12,7 +12,6 @@
 #include <asm/bcache.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
-#include <asm/system.h>
 #include <asm/bootinfo.h>
 #include <asm/sgi/ip22.h>
 #include <asm/sgi/mc.h>
diff --git a/arch/mips/mm/sc-mips.c b/arch/mips/mm/sc-mips.c
index 9cca8de0054507ca3869071d6bc72dab01e13170..93d937b4b1ba6fdc01460b2b55e586fbd10dda10 100644
--- a/arch/mips/mm/sc-mips.c
+++ b/arch/mips/mm/sc-mips.c
@@ -11,7 +11,6 @@
 #include <asm/cacheops.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
-#include <asm/system.h>
 #include <asm/mmu_context.h>
 #include <asm/r4kcache.h>
 
diff --git a/arch/mips/mm/sc-r5k.c b/arch/mips/mm/sc-r5k.c
index ae1e533a096e16b2acb76e5c25fe085ef44a7d54..8d90ff25b1235880332dec654f03fb45b7f77b56 100644
--- a/arch/mips/mm/sc-r5k.c
+++ b/arch/mips/mm/sc-r5k.c
@@ -12,7 +12,6 @@
 #include <asm/cacheops.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
-#include <asm/system.h>
 #include <asm/mmu_context.h>
 #include <asm/r4kcache.h>
 
diff --git a/arch/mips/mm/tlb-r3k.c b/arch/mips/mm/tlb-r3k.c
index ed1fa460f84ec06b3a0c19e0fd93fd717286f7e0..a63d1ed0827fefe36520b2d21877b5bd6a6767f4 100644
--- a/arch/mips/mm/tlb-r3k.c
+++ b/arch/mips/mm/tlb-r3k.c
@@ -19,7 +19,6 @@
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/mmu_context.h>
-#include <asm/system.h>
 #include <asm/tlbmisc.h>
 #include <asm/isadep.h>
 #include <asm/io.h>
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index 2dc625346c40f3b40f616310479b07c6695edd02..d2572cb232db90676fb097693e6ab16185713903 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -18,7 +18,6 @@
 #include <asm/bootinfo.h>
 #include <asm/mmu_context.h>
 #include <asm/pgtable.h>
-#include <asm/system.h>
 #include <asm/tlbmisc.h>
 
 extern void build_tlb_refill_handler(void);
diff --git a/arch/mips/mm/tlb-r8k.c b/arch/mips/mm/tlb-r8k.c
index 3d95f76c106b24838a4d85bd2f7e7eb13e18da6c..91c2499f806a25809259a0b9682667ce2d7f31d5 100644
--- a/arch/mips/mm/tlb-r8k.c
+++ b/arch/mips/mm/tlb-r8k.c
@@ -17,7 +17,6 @@
 #include <asm/bootinfo.h>
 #include <asm/mmu_context.h>
 #include <asm/pgtable.h>
-#include <asm/system.h>
 
 extern void build_tlb_refill_handler(void);
 
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index e06370f58ef3b5eee07d527ef8d653179dc60c25..0bc485b3cd606de49e62aff00c9fe611e3a90540 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -32,6 +32,7 @@
 #include <asm/pgtable.h>
 #include <asm/war.h>
 #include <asm/uasm.h>
+#include <asm/setup.h>
 
 /*
  * TLB load/store/modify handlers.
diff --git a/arch/mips/mti-malta/malta-init.c b/arch/mips/mti-malta/malta-init.c
index 4b988b9a30d51bb373b7b34c8324a1409ec2cfe8..27a6cdb36e3787be065553f823c408e2f2601a0c 100644
--- a/arch/mips/mti-malta/malta-init.c
+++ b/arch/mips/mti-malta/malta-init.c
@@ -26,7 +26,6 @@
 #include <asm/bootinfo.h>
 #include <asm/gt64120.h>
 #include <asm/io.h>
-#include <asm/system.h>
 #include <asm/cacheflush.h>
 #include <asm/smp-ops.h>
 #include <asm/traps.h>
diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c
index a588b5cef8d2a8bed4003ee9b0056932f81a78e0..7b13a4caeea41b6377fb9410fe1397f2dce6aef2 100644
--- a/arch/mips/mti-malta/malta-int.c
+++ b/arch/mips/mti-malta/malta-int.c
@@ -44,6 +44,7 @@
 #include <asm/msc01_ic.h>
 #include <asm/gic.h>
 #include <asm/gcmpregs.h>
+#include <asm/setup.h>
 
 int gcmp_present = -1;
 int gic_present;
diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c
index f8ee945ee411f24717640a440c69c7df550b1734..115f5bc0600332c25291483b0d451b4d7da07f0d 100644
--- a/arch/mips/mti-malta/malta-time.c
+++ b/arch/mips/mti-malta/malta-time.c
@@ -35,6 +35,7 @@
 #include <asm/irq.h>
 #include <asm/div64.h>
 #include <asm/cpu.h>
+#include <asm/setup.h>
 #include <asm/time.h>
 #include <asm/mc146818-time.h>
 #include <asm/msc01_ic.h>
diff --git a/arch/mips/netlogic/common/irq.c b/arch/mips/netlogic/common/irq.c
index 49a4f6cf71e537d5658eb24878ce8e89a8064995..e52bfcbce093ff53e38c75dbd4df73089272e514 100644
--- a/arch/mips/netlogic/common/irq.c
+++ b/arch/mips/netlogic/common/irq.c
@@ -43,7 +43,6 @@
 
 #include <asm/errno.h>
 #include <asm/signal.h>
-#include <asm/system.h>
 #include <asm/ptrace.h>
 #include <asm/mipsregs.h>
 #include <asm/thread_info.h>
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c b/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c
index c4fa2d775d8b80d7db818e74b50b07e19ea6d32a..2e6f7cab24c12fb1babd90b1e53517378e38e2a1 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c
@@ -16,7 +16,6 @@
 #include <linux/irq.h>
 
 #include <asm/mipsregs.h>
-#include <asm/system.h>
 
 #include <msp_cic_int.h>
 #include <msp_regs.h>
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq_per.c b/arch/mips/pmc-sierra/msp71xx/msp_irq_per.c
index 98fd0099d964becd05c7e57fd5404be50c5773f3..598b6a66b97031a92262b6db52fed6086e00e361 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_irq_per.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_irq_per.c
@@ -16,7 +16,6 @@
 #include <linux/bitops.h>
 
 #include <asm/mipsregs.h>
-#include <asm/system.h>
 
 #include <msp_cic_int.h>
 #include <msp_regs.h>
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c b/arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c
index 5bbcc47da6b96954134a514888e99fc0b132ef50..83a1c5eae3f8103c09e07fb1f3fbc2ebe000300c 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c
@@ -16,7 +16,6 @@
 #include <linux/bitops.h>
 
 #include <asm/mipsregs.h>
-#include <asm/system.h>
 
 #include <msp_slp_int.h>
 #include <msp_regs.h>
diff --git a/arch/mips/pmc-sierra/yosemite/irq.c b/arch/mips/pmc-sierra/yosemite/irq.c
index 25bbbf428be940917b35cd518139c072918264f0..6590812daa561a29115c819cec5399343545ffba 100644
--- a/arch/mips/pmc-sierra/yosemite/irq.c
+++ b/arch/mips/pmc-sierra/yosemite/irq.c
@@ -44,7 +44,6 @@
 #include <asm/irq.h>
 #include <asm/irq_cpu.h>
 #include <asm/mipsregs.h>
-#include <asm/system.h>
 #include <asm/titan_dep.h>
 
 /* Hypertransport specific */
diff --git a/arch/mips/pmc-sierra/yosemite/prom.c b/arch/mips/pmc-sierra/yosemite/prom.c
index dcc926e06fcec573a4478b2359b2218d5ca942cf..6a2754c4f10641f817576c456b11abf9f74186a2 100644
--- a/arch/mips/pmc-sierra/yosemite/prom.c
+++ b/arch/mips/pmc-sierra/yosemite/prom.c
@@ -20,7 +20,6 @@
 #include <asm/processor.h>
 #include <asm/reboot.h>
 #include <asm/smp-ops.h>
-#include <asm/system.h>
 #include <asm/bootinfo.h>
 #include <asm/pmon.h>
 
diff --git a/arch/mips/pnx833x/common/interrupts.c b/arch/mips/pnx833x/common/interrupts.c
index adc171c8846f29bae0fa55e5a889b7dbc6335086..a86d5d5fceb0c81f6a129d8cc9ce58fa1c448036 100644
--- a/arch/mips/pnx833x/common/interrupts.c
+++ b/arch/mips/pnx833x/common/interrupts.c
@@ -25,6 +25,7 @@
 #include <linux/interrupt.h>
 #include <asm/mipsregs.h>
 #include <asm/irq_cpu.h>
+#include <asm/setup.h>
 #include <irq.h>
 #include <irq-mapping.h>
 #include <gpio.h>
diff --git a/arch/mips/powertv/asic/asic_int.c b/arch/mips/powertv/asic/asic_int.c
index 529c44a52d6460ab8d6085d36d8314f2568036d3..99d82e10000bfd493df1d232d2a7c5337e8adb31 100644
--- a/arch/mips/powertv/asic/asic_int.c
+++ b/arch/mips/powertv/asic/asic_int.c
@@ -34,6 +34,7 @@
 #include <asm/irq_cpu.h>
 #include <linux/io.h>
 #include <asm/irq_regs.h>
+#include <asm/setup.h>
 #include <asm/mips-boards/generic.h>
 
 #include <asm/mach-powertv/asic_regs.h>
diff --git a/arch/mips/powertv/asic/irq_asic.c b/arch/mips/powertv/asic/irq_asic.c
index 7fb97fb0931e54645c7cc5598450be3b349d11b3..fa9ae9584710087a89c98f8c984bb1b03d5b95ae 100644
--- a/arch/mips/powertv/asic/irq_asic.c
+++ b/arch/mips/powertv/asic/irq_asic.c
@@ -17,7 +17,6 @@
 
 #include <asm/irq_cpu.h>
 #include <asm/mipsregs.h>
-#include <asm/system.h>
 
 #include <asm/mach-powertv/asic_regs.h>
 
diff --git a/arch/mips/powertv/init.c b/arch/mips/powertv/init.c
index 83552288e8024fa697d11e958272fe01399666e6..1cf5abbef715685f6efba80f1f6d72e6170d9c58 100644
--- a/arch/mips/powertv/init.c
+++ b/arch/mips/powertv/init.c
@@ -26,7 +26,6 @@
 
 #include <asm/bootinfo.h>
 #include <linux/io.h>
-#include <asm/system.h>
 #include <asm/cacheflush.h>
 #include <asm/traps.h>
 
diff --git a/arch/mips/rb532/irq.c b/arch/mips/rb532/irq.c
index 7c6db74e3fad096831499fef13744d884d03a21a..f298430cff0716d8bce3aba7f6410e72b005b86c 100644
--- a/arch/mips/rb532/irq.c
+++ b/arch/mips/rb532/irq.c
@@ -42,7 +42,6 @@
 #include <asm/bootinfo.h>
 #include <asm/time.h>
 #include <asm/mipsregs.h>
-#include <asm/system.h>
 
 #include <asm/mach-rc32434/irq.h>
 #include <asm/mach-rc32434/gpio.h>
diff --git a/arch/mips/sgi-ip22/ip22-berr.c b/arch/mips/sgi-ip22/ip22-berr.c
index 911d3999c0c7e24a34e90d014be87a4fb6b09645..3f6ccd53c15d5bcc17c83b50701aa6f75da24146 100644
--- a/arch/mips/sgi-ip22/ip22-berr.c
+++ b/arch/mips/sgi-ip22/ip22-berr.c
@@ -9,7 +9,6 @@
 #include <linux/sched.h>
 
 #include <asm/addrspace.h>
-#include <asm/system.h>
 #include <asm/traps.h>
 #include <asm/branch.h>
 #include <asm/irq_regs.h>
diff --git a/arch/mips/sgi-ip22/ip22-reset.c b/arch/mips/sgi-ip22/ip22-reset.c
index 45b6694c20796de82d14a15d79c34ee52d54c55a..20363d29cb5831aea5cf5277f2234ce6f21e1615 100644
--- a/arch/mips/sgi-ip22/ip22-reset.c
+++ b/arch/mips/sgi-ip22/ip22-reset.c
@@ -18,7 +18,6 @@
 
 #include <asm/io.h>
 #include <asm/irq.h>
-#include <asm/system.h>
 #include <asm/reboot.h>
 #include <asm/sgialib.h>
 #include <asm/sgi/ioc.h>
diff --git a/arch/mips/sgi-ip22/ip28-berr.c b/arch/mips/sgi-ip22/ip28-berr.c
index 88c684e05a3de3923b437b4f6490545591fcd0b6..0626555fd1a377eb9d5c1b200207d80ab2baf8db 100644
--- a/arch/mips/sgi-ip22/ip28-berr.c
+++ b/arch/mips/sgi-ip22/ip28-berr.c
@@ -11,7 +11,6 @@
 #include <linux/seq_file.h>
 
 #include <asm/addrspace.h>
-#include <asm/system.h>
 #include <asm/traps.h>
 #include <asm/branch.h>
 #include <asm/irq_regs.h>
diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c
index 23642238c6895296dc6a311ea52ba546c2eed460..69a939ae65e42faacc698d98b310901fad476f85 100644
--- a/arch/mips/sgi-ip27/ip27-irq.c
+++ b/arch/mips/sgi-ip27/ip27-irq.c
@@ -27,7 +27,6 @@
 #include <asm/bootinfo.h>
 #include <asm/io.h>
 #include <asm/mipsregs.h>
-#include <asm/system.h>
 
 #include <asm/processor.h>
 #include <asm/pci/bridge.h>
diff --git a/arch/mips/sgi-ip27/ip27-reset.c b/arch/mips/sgi-ip27/ip27-reset.c
index c17076108d47974f21fd9a89d40b461d9389806c..f347bc6b7954b837d077a6a79a061a64db7ab143 100644
--- a/arch/mips/sgi-ip27/ip27-reset.c
+++ b/arch/mips/sgi-ip27/ip27-reset.c
@@ -19,7 +19,6 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/reboot.h>
-#include <asm/system.h>
 #include <asm/sgialib.h>
 #include <asm/sn/addrs.h>
 #include <asm/sn/arch.h>
diff --git a/arch/mips/sgi-ip32/ip32-irq.c b/arch/mips/sgi-ip32/ip32-irq.c
index a092860d5196818b1f4942dc4070af4abdac1bdc..e7d5054de8c8cf0d1408d8b5ca31c4db96000d64 100644
--- a/arch/mips/sgi-ip32/ip32-irq.c
+++ b/arch/mips/sgi-ip32/ip32-irq.c
@@ -22,7 +22,6 @@
 #include <asm/irq_cpu.h>
 #include <asm/mipsregs.h>
 #include <asm/signal.h>
-#include <asm/system.h>
 #include <asm/time.h>
 #include <asm/ip32/crime.h>
 #include <asm/ip32/mace.h>
diff --git a/arch/mips/sgi-ip32/ip32-reset.c b/arch/mips/sgi-ip32/ip32-reset.c
index 9b95d80ebc6e8150f0a24dd125127e72efed26dd..1f823da4c77bca73980094d4b27a043d24cffaa8 100644
--- a/arch/mips/sgi-ip32/ip32-reset.c
+++ b/arch/mips/sgi-ip32/ip32-reset.c
@@ -20,7 +20,6 @@
 #include <asm/addrspace.h>
 #include <asm/irq.h>
 #include <asm/reboot.h>
-#include <asm/system.h>
 #include <asm/wbflush.h>
 #include <asm/ip32/mace.h>
 #include <asm/ip32/crime.h>
diff --git a/arch/mips/sibyte/bcm1480/irq.c b/arch/mips/sibyte/bcm1480/irq.c
index 09740d60e18722c9e5de6d565a62aa1dfded4ce3..215713e1f3c4a80eb250992404e91da070d11e4a 100644
--- a/arch/mips/sibyte/bcm1480/irq.c
+++ b/arch/mips/sibyte/bcm1480/irq.c
@@ -27,7 +27,6 @@
 #include <asm/errno.h>
 #include <asm/irq_regs.h>
 #include <asm/signal.h>
-#include <asm/system.h>
 #include <asm/io.h>
 
 #include <asm/sibyte/bcm1480_regs.h>
diff --git a/arch/mips/sibyte/common/sb_tbprof.c b/arch/mips/sibyte/common/sb_tbprof.c
index 48853ab5bcf02331919b469b8d00ced02d8f06ed..e8c4538c5f610d83040db526ceff7b2a4087b5e0 100644
--- a/arch/mips/sibyte/common/sb_tbprof.c
+++ b/arch/mips/sibyte/common/sb_tbprof.c
@@ -53,7 +53,6 @@
 #define K_INT_PERF_CNT K_BCM1480_INT_PERF_CNT
 #endif
 
-#include <asm/system.h>
 #include <asm/uaccess.h>
 
 #define SBPROF_TB_MAJOR 240
diff --git a/arch/mips/sibyte/sb1250/bus_watcher.c b/arch/mips/sibyte/sb1250/bus_watcher.c
index 45274bd3cd8b8958643cfd7fb1750db0620ad55a..86e6e54dd15d37b953defddb068e70183bb6788b 100644
--- a/arch/mips/sibyte/sb1250/bus_watcher.c
+++ b/arch/mips/sibyte/sb1250/bus_watcher.c
@@ -30,7 +30,6 @@
 #include <linux/interrupt.h>
 #include <linux/sched.h>
 #include <linux/proc_fs.h>
-#include <asm/system.h>
 #include <asm/io.h>
 
 #include <asm/sibyte/sb1250.h>
diff --git a/arch/mips/sibyte/sb1250/irq.c b/arch/mips/sibyte/sb1250/irq.c
index 76ee045e2ce41f920b7e197e79c7edfb02ef3981..340aaf626659991494d242fc01dbdebb0efda839 100644
--- a/arch/mips/sibyte/sb1250/irq.c
+++ b/arch/mips/sibyte/sb1250/irq.c
@@ -26,7 +26,6 @@
 
 #include <asm/errno.h>
 #include <asm/signal.h>
-#include <asm/system.h>
 #include <asm/time.h>
 #include <asm/io.h>
 
diff --git a/arch/mips/sni/reset.c b/arch/mips/sni/reset.c
index 79f8d70f48c9617875357a57bbdfa428a041318d..244f9427625b5873003cc92132c96a32d99663eb 100644
--- a/arch/mips/sni/reset.c
+++ b/arch/mips/sni/reset.c
@@ -5,7 +5,6 @@
  */
 #include <asm/io.h>
 #include <asm/reboot.h>
-#include <asm/system.h>
 #include <asm/sni.h>
 
 /*
diff --git a/arch/mips/vr41xx/common/irq.c b/arch/mips/vr41xx/common/irq.c
index fad2bef432cdd94ad509fe2d6b45d74ee36d3661..ae0e4ee6c61728b7a609451023e28a1302ef7c37 100644
--- a/arch/mips/vr41xx/common/irq.c
+++ b/arch/mips/vr41xx/common/irq.c
@@ -22,7 +22,6 @@
 #include <linux/irq.h>
 
 #include <asm/irq_cpu.h>
-#include <asm/system.h>
 #include <asm/vr41xx/irq.h>
 
 typedef struct irq_cascade {
diff --git a/arch/mips/vr41xx/common/pmu.c b/arch/mips/vr41xx/common/pmu.c
index 692b4e85b7fc98475ed33b5a8f3b9efd6733aa67..9fbf5f0d1faf3499a878ff3d529103754cbc5444 100644
--- a/arch/mips/vr41xx/common/pmu.c
+++ b/arch/mips/vr41xx/common/pmu.c
@@ -30,7 +30,6 @@
 #include <asm/io.h>
 #include <asm/processor.h>
 #include <asm/reboot.h>
-#include <asm/system.h>
 
 #define PMU_TYPE1_BASE	0x0b0000a0UL
 #define PMU_TYPE1_SIZE	0x0eUL