23 files changed, 152 insertions, 242 deletions

diff --git a/include/asm-mips/atomic.h b/include/asm-mips/atomic.h
index 8578869a8bcf..1ac50b6c47ad 100644
--- a/include/asm-mips/atomic.h
+++ b/include/asm-mips/atomic.h
@@ -79,9 +79,9 @@ static __inline__ void atomic_add(int i, atomic_t * v)
 	} else {
 		unsigned long flags;
 
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		v->counter += i;
-		local_irq_restore(flags);
+		raw_local_irq_restore(flags);
 	}
 }
 
@@ -124,9 +124,9 @@ static __inline__ void atomic_sub(int i, atomic_t * v)
 	} else {
 		unsigned long flags;
 
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		v->counter -= i;
-		local_irq_restore(flags);
+		raw_local_irq_restore(flags);
 	}
 }
 
@@ -173,11 +173,11 @@ static __inline__ int atomic_add_return(int i, atomic_t * v)
 	} else {
 		unsigned long flags;
 
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		result = v->counter;
 		result += i;
 		v->counter = result;
-		local_irq_restore(flags);
+		raw_local_irq_restore(flags);
 	}
 
 	smp_mb();
@@ -225,11 +225,11 @@ static __inline__ int atomic_sub_return(int i, atomic_t * v)
 	} else {
 		unsigned long flags;
 
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		result = v->counter;
 		result -= i;
 		v->counter = result;
-		local_irq_restore(flags);
+		raw_local_irq_restore(flags);
 	}
 
 	smp_mb();
@@ -293,12 +293,12 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v)
 	} else {
 		unsigned long flags;
 
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		result = v->counter;
 		result -= i;
 		if (result >= 0)
 			v->counter = result;
-		local_irq_restore(flags);
+		raw_local_irq_restore(flags);
 	}
 
 	smp_mb();
@@ -454,9 +454,9 @@ static __inline__ void atomic64_add(long i, atomic64_t * v)
 	} else {
 		unsigned long flags;
 
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		v->counter += i;
-		local_irq_restore(flags);
+		raw_local_irq_restore(flags);
 	}
 }
 
@@ -499,9 +499,9 @@ static __inline__ void atomic64_sub(long i, atomic64_t * v)
 	} else {
 		unsigned long flags;
 
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		v->counter -= i;
-		local_irq_restore(flags);
+		raw_local_irq_restore(flags);
 	}
 }
 
@@ -548,11 +548,11 @@ static __inline__ long atomic64_add_return(long i, atomic64_t * v)
 	} else {
 		unsigned long flags;
 
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		result = v->counter;
 		result += i;
 		v->counter = result;
-		local_irq_restore(flags);
+		raw_local_irq_restore(flags);
 	}
 
 	smp_mb();
@@ -600,11 +600,11 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
 	} else {
 		unsigned long flags;
 
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		result = v->counter;
 		result -= i;
 		v->counter = result;
-		local_irq_restore(flags);
+		raw_local_irq_restore(flags);
 	}
 
 	smp_mb();
@@ -668,12 +668,12 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v)
 	} else {
 		unsigned long flags;
 
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		result = v->counter;
 		result -= i;
 		if (result >= 0)
 			v->counter = result;
-		local_irq_restore(flags);
+		raw_local_irq_restore(flags);
 	}
 
 	smp_mb();
diff --git a/include/asm-mips/bitops.h b/include/asm-mips/bitops.h
index 8959da245cfb..d995413e11fd 100644
--- a/include/asm-mips/bitops.h
+++ b/include/asm-mips/bitops.h
@@ -100,9 +100,9 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
 
 		a += nr >> SZLONG_LOG;
 		mask = 1UL << bit;
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		*a |= mask;
-		local_irq_restore(flags);
+		raw_local_irq_restore(flags);
 	}
 }
 
@@ -165,9 +165,9 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
 
 		a += nr >> SZLONG_LOG;
 		mask = 1UL << bit;
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		*a &= ~mask;
-		local_irq_restore(flags);
+		raw_local_irq_restore(flags);
 	}
 }
 
@@ -220,9 +220,9 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
 
 		a += nr >> SZLONG_LOG;
 		mask = 1UL << bit;
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		*a ^= mask;
-		local_irq_restore(flags);
+		raw_local_irq_restore(flags);
 	}
 }
 
@@ -287,10 +287,10 @@ static inline int test_and_set_bit(unsigned long nr,
 
 		a += nr >> SZLONG_LOG;
 		mask = 1UL << bit;
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		retval = (mask & *a) != 0;
 		*a |= mask;
-		local_irq_restore(flags);
+		raw_local_irq_restore(flags);
 
 		return retval;
 	}
@@ -381,10 +381,10 @@ static inline int test_and_clear_bit(unsigned long nr,
 
 		a += nr >> SZLONG_LOG;
 		mask = 1UL << bit;
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		retval = (mask & *a) != 0;
 		*a &= ~mask;
-		local_irq_restore(flags);
+		raw_local_irq_restore(flags);
 
 		return retval;
 	}
@@ -452,10 +452,10 @@ static inline int test_and_change_bit(unsigned long nr,
 
 		a += nr >> SZLONG_LOG;
 		mask = 1UL << bit;
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		retval = (mask & *a) != 0;
 		*a ^= mask;
-		local_irq_restore(flags);
+		raw_local_irq_restore(flags);
 
 		return retval;
 	}
diff --git a/include/asm-mips/cacheflush.h b/include/asm-mips/cacheflush.h
index 0ddada3bb0b6..28d907d4347a 100644
--- a/include/asm-mips/cacheflush.h
+++ b/include/asm-mips/cacheflush.h
@@ -48,6 +48,15 @@ static inline void flush_dcache_page(struct page *page)
 #define flush_dcache_mmap_lock(mapping)		do { } while (0)
 #define flush_dcache_mmap_unlock(mapping)	do { } while (0)
 
+#define ARCH_HAS_FLUSH_ANON_PAGE
+extern void __flush_anon_page(struct page *, unsigned long);
+static inline void flush_anon_page(struct vm_area_struct *vma,
+	struct page *page, unsigned long vmaddr)
+{
+	if (cpu_has_dc_aliases && PageAnon(page))
+		__flush_anon_page(page, vmaddr);
+}
+
 static inline void flush_icache_page(struct vm_area_struct *vma,
 	struct page *page)
 {
@@ -86,4 +95,7 @@ extern void (*flush_data_cache_page)(unsigned long addr);
 /* Run kernel code uncached, useful for cache probing functions. */
 unsigned long __init run_uncached(void *func);
 
+extern void *kmap_coherent(struct page *page, unsigned long addr);
+extern void kunmap_coherent(struct page *page);
+
 #endif /* _ASM_CACHEFLUSH_H */
diff --git a/include/asm-mips/cpu-features.h b/include/asm-mips/cpu-features.h
index eadca266f159..5e4bed123b48 100644
--- a/include/asm-mips/cpu-features.h
+++ b/include/asm-mips/cpu-features.h
@@ -40,6 +40,9 @@
 #endif
 #ifndef cpu_has_fpu
 #define cpu_has_fpu		(current_cpu_data.options & MIPS_CPU_FPU)
+#define raw_cpu_has_fpu		(raw_current_cpu_data.options & MIPS_CPU_FPU)
+#else
+#define raw_cpu_has_fpu		cpu_has_fpu
 #endif
 #ifndef cpu_has_32fpr
 #define cpu_has_32fpr		(cpu_data[0].options & MIPS_CPU_32FPR)
diff --git a/include/asm-mips/cpu-info.h b/include/asm-mips/cpu-info.h
index 610d0cdeaa9e..22fe8453fcc7 100644
--- a/include/asm-mips/cpu-info.h
+++ b/include/asm-mips/cpu-info.h
@@ -87,6 +87,7 @@ struct cpuinfo_mips {
 
 extern struct cpuinfo_mips cpu_data[];
 #define current_cpu_data cpu_data[smp_processor_id()]
+#define raw_current_cpu_data cpu_data[raw_smp_processor_id()]
 
 extern void cpu_probe(void);
 extern void cpu_report(void);
diff --git a/include/asm-mips/delay.h b/include/asm-mips/delay.h
index ea77050f8e3a..223d156efb9f 100644
--- a/include/asm-mips/delay.h
+++ b/include/asm-mips/delay.h
@@ -79,7 +79,7 @@ static inline void __udelay(unsigned long usecs, unsigned long lpj)
 	__delay(usecs);
 }
 
-#define __udelay_val cpu_data[smp_processor_id()].udelay_val
+#define __udelay_val cpu_data[raw_smp_processor_id()].udelay_val
 
 #define udelay(usecs) __udelay((usecs),__udelay_val)
 
diff --git a/include/asm-mips/dma.h b/include/asm-mips/dma.h
index e06ef0776d48..833437d31ef1 100644
--- a/include/asm-mips/dma.h
+++ b/include/asm-mips/dma.h
@@ -74,7 +74,7 @@
  *
  */
 
-#ifndef GENERIC_ISA_DMA_SUPPORT_BROKEN
+#ifndef CONFIG_GENERIC_ISA_DMA_SUPPORT_BROKEN
 #define MAX_DMA_CHANNELS	8
 #endif
 
diff --git a/include/asm-mips/fpu.h b/include/asm-mips/fpu.h
index efef843b93f0..4e12d1f9534f 100644
--- a/include/asm-mips/fpu.h
+++ b/include/asm-mips/fpu.h
@@ -27,11 +27,11 @@
 struct sigcontext;
 struct sigcontext32;
 
-extern asmlinkage int (*save_fp_context)(struct sigcontext *sc);
-extern asmlinkage int (*restore_fp_context)(struct sigcontext *sc);
+extern asmlinkage int (*save_fp_context)(struct sigcontext __user *sc);
+extern asmlinkage int (*restore_fp_context)(struct sigcontext __user *sc);
 
-extern asmlinkage int (*save_fp_context32)(struct sigcontext32 *sc);
-extern asmlinkage int (*restore_fp_context32)(struct sigcontext32 *sc);
+extern asmlinkage int (*save_fp_context32)(struct sigcontext32 __user *sc);
+extern asmlinkage int (*restore_fp_context32)(struct sigcontext32 __user *sc);
 
 extern void fpu_emulator_init_fpu(void);
 extern void _init_fpu(void);
@@ -68,6 +68,8 @@ do {									\
 	/* We don't care about the c0 hazard here  */			\
 } while (0)
 
+#define __fpu_enabled()	(read_c0_status() & ST0_CU1)
+
 #define enable_fpu()							\
 do {									\
 	if (cpu_has_fpu)						\
@@ -93,31 +95,47 @@ static inline int is_fpu_owner(void)
 	return cpu_has_fpu && __is_fpu_owner();
 }
 
-static inline void own_fpu(void)
+static inline void __own_fpu(void)
 {
-	if (cpu_has_fpu) {
-		__enable_fpu();
-		KSTK_STATUS(current) |= ST0_CU1;
-		set_thread_flag(TIF_USEDFPU);
+	__enable_fpu();
+	KSTK_STATUS(current) |= ST0_CU1;
+	set_thread_flag(TIF_USEDFPU);
+}
+
+static inline void own_fpu(int restore)
+{
+	preempt_disable();
+	if (cpu_has_fpu && !__is_fpu_owner()) {
+		__own_fpu();
+		if (restore)
+			_restore_fp(current);
 	}
+	preempt_enable();
 }
 
-static inline void lose_fpu(void)
+static inline void lose_fpu(int save)
 {
-	if (cpu_has_fpu) {
+	preempt_disable();
+	if (is_fpu_owner()) {
+		if (save)
+			_save_fp(current);
 		KSTK_STATUS(current) &= ~ST0_CU1;
 		clear_thread_flag(TIF_USEDFPU);
 		__disable_fpu();
 	}
+	preempt_enable();
 }
 
 static inline void init_fpu(void)
 {
+	preempt_disable();
 	if (cpu_has_fpu) {
+		__own_fpu();
 		_init_fpu();
 	} else {
 		fpu_emulator_init_fpu();
 	}
+	preempt_enable();
 }
 
 static inline void save_fp(struct task_struct *tsk)
@@ -144,4 +162,18 @@ static inline fpureg_t *get_fpu_regs(struct task_struct *tsk)
 	return tsk->thread.fpu.fpr;
 }
 
+static inline void enable_fp_in_kernel(void)
+{
+	set_thread_flag(TIF_ALLOW_FP_IN_KERNEL);
+	/* make sure CU1 and FPU ownership are consistent */
+	if (!__is_fpu_owner() && __fpu_enabled())
+		__disable_fpu();
+}
+
+static inline void disable_fp_in_kernel(void)
+{
+	BUG_ON(!__is_fpu_owner() && __fpu_enabled());
+	clear_thread_flag(TIF_ALLOW_FP_IN_KERNEL);
+}
+
 #endif /* _ASM_FPU_H */
diff --git a/include/asm-mips/hazards.h b/include/asm-mips/hazards.h
index 50073157a617..e50c77e69cb5 100644
--- a/include/asm-mips/hazards.h
+++ b/include/asm-mips/hazards.h
@@ -52,6 +52,7 @@ ASMMACRO(tlb_probe_hazard,
 	 _ehb
 	)
 ASMMACRO(irq_enable_hazard,
+	 _ehb
 	)
 ASMMACRO(irq_disable_hazard,
 	_ehb
diff --git a/include/asm-mips/irqflags.h b/include/asm-mips/irqflags.h
index af3b07dfad4b..e459fa05db83 100644
--- a/include/asm-mips/irqflags.h
+++ b/include/asm-mips/irqflags.h
@@ -13,29 +13,9 @@
 
 #ifndef __ASSEMBLY__
 
+#include <linux/compiler.h>
 #include <asm/hazards.h>
 
-/*
- * CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY does prompt replay of deferred IPIs,
- * at the cost of branch and call overhead on each local_irq_restore()
- */
-
-#ifdef CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY
-
-extern void smtc_ipi_replay(void);
-
-#define irq_restore_epilog(flags)				\
-do {								\
-	if (!(flags & 0x0400))					\
-		smtc_ipi_replay();				\
-} while (0)
-
-#else
-
-#define irq_restore_epilog(ignore) do { } while (0)
-
-#endif /* CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY */
-
 __asm__ (
 	"	.macro	raw_local_irq_enable				\n"
 	"	.set	push						\n"
@@ -205,17 +185,28 @@ __asm__ (
 	"	.set	pop						\n"
 	"	.endm							\n");
 
-#define raw_local_irq_restore(flags)					\
-do {									\
-	unsigned long __tmp1;						\
-									\
-	__asm__ __volatile__(						\
-		"raw_local_irq_restore\t%0"				\
-		: "=r" (__tmp1)						\
-		: "0" (flags)						\
-		: "memory");						\
-	irq_restore_epilog(flags);					\
-} while(0)
+extern void smtc_ipi_replay(void);
+
+static inline void raw_local_irq_restore(unsigned long flags)
+{
+	unsigned long __tmp1;
+
+#ifdef CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY
+	/*
+	 * CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY does prompt replay of deferred
+	 * IPIs, at the cost of branch and call overhead on each
+	 * local_irq_restore()
+	 */
+	if (unlikely(!(flags & 0x0400)))
+		smtc_ipi_replay();
+#endif
+
+	__asm__ __volatile__(
+		"raw_local_irq_restore\t%0"
+		: "=r" (__tmp1)
+		: "0" (flags)
+		: "memory");
+}
 
 static inline int raw_irqs_disabled_flags(unsigned long flags)
 {
diff --git a/include/asm-mips/mach-au1x00/au1xxx_ide.h b/include/asm-mips/mach-au1x00/au1xxx_ide.h
index e9fa252f8a3f..8fcae21adbd5 100644
--- a/include/asm-mips/mach-au1x00/au1xxx_ide.h
+++ b/include/asm-mips/mach-au1x00/au1xxx_ide.h
@@ -141,40 +141,6 @@ static int auide_ddma_init( _auide_hwif *auide );
 static void auide_setup_ports(hw_regs_t *hw, _auide_hwif *ahwif);
 int __init auide_probe(void);
 
-#ifdef CONFIG_PM
-        int au1200ide_pm_callback( au1xxx_power_dev_t *dev,
-                                   au1xxx_request_t request, void *data);
-        static int au1xxxide_pm_standby( au1xxx_power_dev_t *dev );
-        static int au1xxxide_pm_sleep( au1xxx_power_dev_t *dev );
-        static int au1xxxide_pm_resume( au1xxx_power_dev_t *dev );
-        static int au1xxxide_pm_getstatus( au1xxx_power_dev_t *dev );
-        static int au1xxxide_pm_access( au1xxx_power_dev_t *dev );
-        static int au1xxxide_pm_idle( au1xxx_power_dev_t *dev );
-        static int au1xxxide_pm_cleanup( au1xxx_power_dev_t *dev );
-#endif
-
-
-/*
- * Multi-Word DMA + DbDMA functions
- */
-#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-        static int auide_build_sglist(ide_drive_t *drive,  struct request *rq);
-        static int auide_build_dmatable(ide_drive_t *drive);
-        static int auide_dma_end(ide_drive_t *drive);
-        ide_startstop_t auide_dma_intr (ide_drive_t *drive);
-        static void auide_dma_exec_cmd(ide_drive_t *drive, u8 command);
-        static int auide_dma_setup(ide_drive_t *drive);
-        static int auide_dma_check(ide_drive_t *drive);
-        static int auide_dma_test_irq(ide_drive_t *drive);
-        static int auide_dma_host_off(ide_drive_t *drive);
-        static int auide_dma_host_on(ide_drive_t *drive);
-        static int auide_dma_lostirq(ide_drive_t *drive);
-        static int auide_dma_on(ide_drive_t *drive);
-        static void auide_ddma_tx_callback(int irq, void *param);
-        static void auide_ddma_rx_callback(int irq, void *param);
-        static int auide_dma_off_quietly(ide_drive_t *drive);
-#endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
-
 /*******************************************************************************
 * PIO Mode timing calculation :                                                *
 *                                                                              *
diff --git a/include/asm-mips/mach-ip27/dma-coherence.h b/include/asm-mips/mach-ip27/dma-coherence.h
index 659816e200d4..3fdbbf68e952 100644
--- a/include/asm-mips/mach-ip27/dma-coherence.h
+++ b/include/asm-mips/mach-ip27/dma-coherence.h
@@ -18,7 +18,8 @@
 
 struct device;
 
-static dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, size_t size)
+static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
+	size_t size)
 {
 	dma_addr_t pa = dev_to_baddr(dev, virt_to_phys(addr));
 
@@ -37,7 +38,7 @@ static unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr)
 	return dma_addr & (0xffUL << 56);
 }
 
-static void plat_unmap_dma_mem(dma_addr_t dma_addr)
+static inline void plat_unmap_dma_mem(dma_addr_t dma_addr)
 {
 }
 
diff --git a/include/asm-mips/mach-ip32/dma-coherence.h b/include/asm-mips/mach-ip32/dma-coherence.h
index 950be17bbb86..c3f9a6a20eb0 100644
--- a/include/asm-mips/mach-ip32/dma-coherence.h
+++ b/include/asm-mips/mach-ip32/dma-coherence.h
@@ -26,7 +26,8 @@ struct device;
 
 #define RAM_OFFSET_MASK 0x3fffffffUL
 
-static dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, size_t size)
+static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
+	size_t size)
 {
 	dma_addr_t pa = virt_to_phys(addr) & RAM_OFFSET_MASK;
 
@@ -59,7 +60,7 @@ static unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr)
 	return addr;
 }
 
-static void plat_unmap_dma_mem(dma_addr_t dma_addr)
+static inline void plat_unmap_dma_mem(dma_addr_t dma_addr)
 {
 }
 
diff --git a/include/asm-mips/marvell.h b/include/asm-mips/marvell.h
index df94955b098a..b6144bafc565 100644
--- a/include/asm-mips/marvell.h
+++ b/include/asm-mips/marvell.h
@@ -54,5 +54,6 @@ struct mv_pci_controller {
 };
 
 extern void ll_mv64340_irq(void);
+extern void mv64340_irq_init(unsigned int base);
 
 #endif	/* __ASM_MIPS_MARVELL_H */
diff --git a/include/asm-mips/pgtable-64.h b/include/asm-mips/pgtable-64.h
index a5b18710b6a4..49f5a1a2dfcd 100644
--- a/include/asm-mips/pgtable-64.h
+++ b/include/asm-mips/pgtable-64.h
@@ -199,7 +199,7 @@ static inline unsigned long pud_page_vaddr(pud_t pud)
 {
 	return pud_val(pud);
 }
-#define pud_phys(pud)		(pud_val(pud) - PAGE_OFFSET)
+#define pud_phys(pud)		virt_to_phys((void *)pud_val(pud))
 #define pud_page(pud)		(pfn_to_page(pud_phys(pud) >> PAGE_SHIFT))
 
 /* Find an entry in the second-level page table.. */
diff --git a/include/asm-mips/pgtable.h b/include/asm-mips/pgtable.h
index 3fcfd7979de5..0d3295f57a95 100644
--- a/include/asm-mips/pgtable.h
+++ b/include/asm-mips/pgtable.h
@@ -75,7 +75,7 @@ extern void paging_init(void);
  * Conversion functions: convert a page and protection to a page entry,
  * and a page entry and page directory to the page they refer to.
  */
-#define pmd_phys(pmd)		(pmd_val(pmd) - PAGE_OFFSET)
+#define pmd_phys(pmd)		virt_to_phys((void *)pmd_val(pmd))
 #define pmd_page(pmd)		(pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT))
 #define pmd_page_vaddr(pmd)	pmd_val(pmd)
 
diff --git a/include/asm-mips/rtlx.h b/include/asm-mips/rtlx.h
index 59162f74a798..65778c890a62 100644
--- a/include/asm-mips/rtlx.h
+++ b/include/asm-mips/rtlx.h
@@ -23,8 +23,8 @@
 
 extern int rtlx_open(int index, int can_sleep);
 extern int rtlx_release(int index);
-extern ssize_t rtlx_read(int index, void *buff, size_t count, int user);
-extern ssize_t rtlx_write(int index, void *buffer, size_t count, int user);
+extern ssize_t rtlx_read(int index, void __user *buff, size_t count);
+extern ssize_t rtlx_write(int index, const void __user *buffer, size_t count);
 extern unsigned int rtlx_read_poll(int index, int can_sleep);
 extern unsigned int rtlx_write_poll(int index);
 
diff --git a/include/asm-mips/sgiarcs.h b/include/asm-mips/sgiarcs.h
index ddb859d05257..439bce7daa3a 100644
--- a/include/asm-mips/sgiarcs.h
+++ b/include/asm-mips/sgiarcs.h
@@ -459,7 +459,7 @@ struct linux_smonblock {
 	register signed int __a2 __asm__("$5") = (int) (long) (a2);	\
 	register signed int __a3 __asm__("$6") = (int) (long) (a3);	\
 	register signed int __a4 __asm__("$7") = (int) (long) (a4);	\
-	register signed int __a5 = (a5);				\
+	register signed int __a5 = (int) (long) (a5);			\
 	long __vec = (long) romvec->dest;				\
 	__asm__ __volatile__(						\
 	"dsubu\t$29, 32\n\t"						\
diff --git a/include/asm-mips/sibyte/sb1250.h b/include/asm-mips/sibyte/sb1250.h
index dfb29e13bce0..494aa65dcfbd 100644
--- a/include/asm-mips/sibyte/sb1250.h
+++ b/include/asm-mips/sibyte/sb1250.h
@@ -67,6 +67,6 @@ extern void bcm1480_smp_finish(void);
 
 #endif
 
-#define IOADDR(a) ((volatile void __iomem *)(IO_BASE + (a)))
+#define IOADDR(a) ((void __iomem *)(IO_BASE + (a)))
 
 #endif
diff --git a/include/asm-mips/sibyte/trace_prof.h b/include/asm-mips/sibyte/trace_prof.h
deleted file mode 100644
index 557792075e9a..000000000000
--- a/include/asm-mips/sibyte/trace_prof.h
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Copyright (C) 2001 Broadcom Corporation
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
- */
-
-#ifndef __ASM_SIBYTE_TRACE_PROF_H
-#define __ASM_SIBYTE_TRACE_PROF_H
-
-#undef DBG
-#if SBPROF_TB_DEBUG
-#define DBG(a) a
-#else
-#define DBG(a)
-#endif
-
-#define SBPROF_TB_MAJOR 240
-#define DEVNAME "bcm1250_tbprof"
-
-typedef u_int64_t tb_sample_t[6*256];
-
-struct sbprof_tb {
-	int          open;
-	tb_sample_t *sbprof_tbbuf;
-	int          next_tb_sample;
-
-	volatile int tb_enable;
-	volatile int tb_armed;
-
-	wait_queue_head_t tb_sync;
-	wait_queue_head_t tb_read;
-};
-
-#define MAX_SAMPLE_BYTES (24*1024*1024)
-#define MAX_TBSAMPLE_BYTES (12*1024*1024)
-
-#define MAX_SAMPLES (MAX_SAMPLE_BYTES/sizeof(u_int32_t))
-#define TB_SAMPLE_SIZE (sizeof(tb_sample_t))
-#define MAX_TB_SAMPLES (MAX_TBSAMPLE_BYTES/TB_SAMPLE_SIZE)
-
-/* IOCTLs */
-#define SBPROF_ZBSTART		_IOW('s', 0, int)
-#define SBPROF_ZBSTOP		_IOW('s', 1, int)
-#define SBPROF_ZBWAITFULL	_IOW('s', 2, int)
-
-/***************************************************************************
- * Routines for gathering ZBbus profiles using trace buffer
- ***************************************************************************/
-
-/* Requires: Already called zclk_timer_init with a value that won't
-	     saturate 40 bits.  No subsequent use of SCD performance counters
-	     or trace buffer.
-   Effect:   Starts gathering random ZBbus profiles using trace buffer. */
-extern int sbprof_zbprof_start(struct file *filp);
-
-/* Effect: Stops collection of ZBbus profiles */
-extern int sbprof_zbprof_stop(void);
-
-
-/***************************************************************************
- * Routines for using 40-bit SCD cycle counter
- *
- * Client responsible for either handling interrupts or making sure
- * the cycles counter never saturates, e.g., by doing
- * zclk_timer_init(0) at least every 2^40 - 1 ZCLKs.
- ***************************************************************************/
-
-/* Configures SCD counter 0 to count ZCLKs starting from val;
-   Configures SCD counters1,2,3 to count nothing.
-   Must not be called while gathering ZBbus profiles.
-
-unsigned long long val; */
-#define zclk_timer_init(val) \
-  __asm__ __volatile__ (".set push;" \
-			".set mips64;" \
-			"la   $8, 0xb00204c0;" /* SCD perf_cnt_cfg */ \
-			"sd   %0, 0x10($8);"   /* write val to counter0 */ \
-			"sd   %1, 0($8);"      /* config counter0 for zclks*/ \
-			".set pop" \
-			: /* no outputs */ \
-						     /* enable, counter0 */ \
-			: /* inputs */ "r"(val), "r" ((1ULL << 33) | 1ULL) \
-			: /* modifies */ "$8" )
-
-
-/* Reads SCD counter 0 and puts result in value
-   unsigned long long val; */
-#define zclk_get(val) \
-  __asm__ __volatile__ (".set push;" \
-			".set mips64;" \
-			"la   $8, 0xb00204c0;" /* SCD perf_cnt_cfg */ \
-			"ld   %0, 0x10($8);"   /* write val to counter0 */ \
-			".set pop" \
-			: /* outputs */ "=r"(val) \
-			: /* inputs */ \
-			: /* modifies */ "$8" )
-
-#endif /* __ASM_SIBYTE_TRACE_PROF_H */
diff --git a/include/asm-mips/smtc_ipi.h b/include/asm-mips/smtc_ipi.h
index 360ea6d250c7..a52a4a7a36e0 100644
--- a/include/asm-mips/smtc_ipi.h
+++ b/include/asm-mips/smtc_ipi.h
@@ -65,12 +65,10 @@ static inline void smtc_ipi_nq(struct smtc_ipi_q *q, struct smtc_ipi *p)
 	spin_unlock_irqrestore(&q->lock, flags);
 }
 
-static inline struct smtc_ipi *smtc_ipi_dq(struct smtc_ipi_q *q)
+static inline struct smtc_ipi *__smtc_ipi_dq(struct smtc_ipi_q *q)
 {
 	struct smtc_ipi *p;
-	long flags;
 
-	spin_lock_irqsave(&q->lock, flags);
 	if (q->head == NULL)
 		p = NULL;
 	else {
@@ -81,7 +79,19 @@ static inline struct smtc_ipi *smtc_ipi_dq(struct smtc_ipi_q *q)
 		if (q->head == NULL)
 			q->tail = NULL;
 	}
+
+	return p;
+}
+
+static inline struct smtc_ipi *smtc_ipi_dq(struct smtc_ipi_q *q)
+{
+	unsigned long flags;
+	struct smtc_ipi *p;
+
+	spin_lock_irqsave(&q->lock, flags);
+	p = __smtc_ipi_dq(q);
 	spin_unlock_irqrestore(&q->lock, flags);
+
 	return p;
 }
 
diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h
index 597a3743f6a1..290887077e44 100644
--- a/include/asm-mips/system.h
+++ b/include/asm-mips/system.h
@@ -121,10 +121,10 @@ static inline unsigned long __xchg_u32(volatile int * m, unsigned int val)
 	} else {
 		unsigned long flags;
 
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		retval = *m;
 		*m = val;
-		local_irq_restore(flags);	/* implies memory barrier  */
+		raw_local_irq_restore(flags);	/* implies memory barrier  */
 	}
 
 	smp_mb();
@@ -169,10 +169,10 @@ static inline __u64 __xchg_u64(volatile __u64 * m, __u64 val)
 	} else {
 		unsigned long flags;
 
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		retval = *m;
 		*m = val;
-		local_irq_restore(flags);	/* implies memory barrier  */
+		raw_local_irq_restore(flags);	/* implies memory barrier  */
 	}
 
 	smp_mb();
@@ -250,11 +250,11 @@ static inline unsigned long __cmpxchg_u32(volatile int * m, unsigned long old,
 	} else {
 		unsigned long flags;
 
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		retval = *m;
 		if (retval == old)
 			*m = new;
-		local_irq_restore(flags);	/* implies memory barrier  */
+		raw_local_irq_restore(flags);	/* implies memory barrier  */
 	}
 
 	smp_mb();
@@ -304,11 +304,11 @@ static inline unsigned long __cmpxchg_u64(volatile int * m, unsigned long old,
 	} else {
 		unsigned long flags;
 
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		retval = *m;
 		if (retval == old)
 			*m = new;
-		local_irq_restore(flags);	/* implies memory barrier  */
+		raw_local_irq_restore(flags);	/* implies memory barrier  */
 	}
 
 	smp_mb();
diff --git a/include/asm-mips/thread_info.h b/include/asm-mips/thread_info.h
index fbcda8204473..6cf05f4a4e7e 100644
--- a/include/asm-mips/thread_info.h
+++ b/include/asm-mips/thread_info.h
@@ -119,6 +119,7 @@ register struct thread_info *__current_thread_info __asm__("$28");
 #define TIF_POLLING_NRFLAG	17	/* true if poll_idle() is polling TIF_NEED_RESCHED */
 #define TIF_MEMDIE		18
 #define TIF_FREEZE		19
+#define TIF_ALLOW_FP_IN_KERNEL	20
 #define TIF_SYSCALL_TRACE	31	/* syscall trace active */
 
 #define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)