22 files changed, 90 insertions, 117 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 0c366088b707..ec21f8999249 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -56,7 +56,7 @@ config MIPS
 	select HAVE_ARCH_TRACEHOOK
 	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
 	select HAVE_ASM_MODVERSIONS
-	select HAVE_CONTEXT_TRACKING
+	select HAVE_CONTEXT_TRACKING_USER
 	select HAVE_TIF_NOHZ
 	select HAVE_C_RECORDMCOUNT
 	select HAVE_DEBUG_KMEMLEAK
@@ -100,7 +100,6 @@ config MIPS
 	select RTC_LIB
 	select SYSCTL_EXCEPTION_TRACE
 	select TRACE_IRQFLAGS_SUPPORT
-	select VIRT_TO_BUS
 	select ARCH_HAS_ELFCORE_COMPAT
 	select HAVE_ARCH_KCSAN if 64BIT
 
diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
index 6cdcbf4de763..9cb9ed44bcaf 100644
--- a/arch/mips/cavium-octeon/octeon-irq.c
+++ b/arch/mips/cavium-octeon/octeon-irq.c
@@ -263,7 +263,7 @@ static int next_cpu_for_irq(struct irq_data *data)
 
 #ifdef CONFIG_SMP
 	int cpu;
-	struct cpumask *mask = irq_data_get_affinity_mask(data);
+	const struct cpumask *mask = irq_data_get_affinity_mask(data);
 	int weight = cpumask_weight(mask);
 	struct octeon_ciu_chip_data *cd = irq_data_get_irq_chip_data(data);
 
@@ -758,7 +758,7 @@ static void octeon_irq_cpu_offline_ciu(struct irq_data *data)
 {
 	int cpu = smp_processor_id();
 	cpumask_t new_affinity;
-	struct cpumask *mask = irq_data_get_affinity_mask(data);
+	const struct cpumask *mask = irq_data_get_affinity_mask(data);
 
 	if (!cpumask_test_cpu(cpu, mask))
 		return;
diff --git a/arch/mips/configs/cavium_octeon_defconfig b/arch/mips/configs/cavium_octeon_defconfig
index b6695367aa33..97ceaf080c0c 100644
--- a/arch/mips/configs/cavium_octeon_defconfig
+++ b/arch/mips/configs/cavium_octeon_defconfig
@@ -134,7 +134,7 @@ CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_DS1307=y
 CONFIG_STAGING=y
 CONFIG_OCTEON_ETHERNET=y
-CONFIG_OCTEON_USB=y
+CONFIG_USB_OCTEON_HCD=y
 # CONFIG_IOMMU_SUPPORT is not set
 CONFIG_RAS=y
 CONFIG_EXT4_FS=y
diff --git a/arch/mips/include/asm/dma.h b/arch/mips/include/asm/dma.h
index be726b943530..d6186e6bea7e 100644
--- a/arch/mips/include/asm/dma.h
+++ b/arch/mips/include/asm/dma.h
@@ -307,12 +307,4 @@ static __inline__ int get_dma_residue(unsigned int dmanr)
 extern int request_dma(unsigned int dmanr, const char * device_id);	/* reserve a DMA channel */
 extern void free_dma(unsigned int dmanr);	/* release it again */
 
-/* From PCI */
-
-#ifdef CONFIG_PCI
-extern int isa_dma_bridge_buggy;
-#else
-#define isa_dma_bridge_buggy	(0)
-#endif
-
 #endif /* _ASM_DMA_H */
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index 880048a54362..e6d5ccaa309e 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -148,15 +148,6 @@ static inline void *isa_bus_to_virt(unsigned long address)
 }
 
 /*
- * However PCI ones are not necessarily 1:1 and therefore these interfaces
- * are forbidden in portable PCI drivers.
- *
- * Allow them for x86 for legacy drivers, though.
- */
-#define virt_to_bus virt_to_phys
-#define bus_to_virt phys_to_virt
-
-/*
  * Change "struct page" to physical address.
  */
 #define page_to_phys(page)	((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT)
diff --git a/arch/mips/include/asm/jump_label.h b/arch/mips/include/asm/jump_label.h
index 3185fd3220ec..c5c6864e64bc 100644
--- a/arch/mips/include/asm/jump_label.h
+++ b/arch/mips/include/asm/jump_label.h
@@ -8,6 +8,8 @@
 #ifndef _ASM_MIPS_JUMP_LABEL_H
 #define _ASM_MIPS_JUMP_LABEL_H
 
+#define arch_jump_label_transform_static arch_jump_label_transform
+
 #ifndef __ASSEMBLY__
 
 #include <linux/types.h>
diff --git a/arch/mips/include/asm/mach-loongson64/irq.h b/arch/mips/include/asm/mach-loongson64/irq.h
index 98ea977cf0b8..67c15f320f93 100644
--- a/arch/mips/include/asm/mach-loongson64/irq.h
+++ b/arch/mips/include/asm/mach-loongson64/irq.h
@@ -7,8 +7,9 @@
 #define NR_MIPS_CPU_IRQS	8
 #define NR_MAX_CHAINED_IRQS	40 /* Chained IRQs means those not directly used by devices */
 #define NR_IRQS			(NR_IRQS_LEGACY + NR_MIPS_CPU_IRQS + NR_MAX_CHAINED_IRQS + 256)
-
+#define MAX_IO_PICS		1
 #define MIPS_CPU_IRQ_BASE 	NR_IRQS_LEGACY
+#define GSI_MIN_CPU_IRQ		0
 
 #include <asm/mach-generic/irq.h>
 
diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h
index 9ffc8192adae..3fd6e22c108b 100644
--- a/arch/mips/include/asm/pci.h
+++ b/arch/mips/include/asm/pci.h
@@ -139,10 +139,4 @@ static inline int pci_proc_domain(struct pci_bus *bus)
 /* Do platform specific device initialization at pci_enable_device() time */
 extern int pcibios_plat_dev_init(struct pci_dev *dev);
 
-/* Chances are this interrupt is wired PC-style ...  */
-static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
-{
-	return channel ? 15 : 14;
-}
-
 #endif /* _ASM_PCI_H */
diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h
index 867e9c3db76e..796035784c73 100644
--- a/arch/mips/include/asm/pgalloc.h
+++ b/arch/mips/include/asm/pgalloc.h
@@ -51,7 +51,7 @@ extern pgd_t *pgd_alloc(struct mm_struct *mm);
 
 static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 {
-	free_pages((unsigned long)pgd, PGD_ORDER);
+	free_pages((unsigned long)pgd, PGD_TABLE_ORDER);
 }
 
 #define __pte_free_tlb(tlb,pte,address)			\
@@ -67,12 +67,12 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
 	pmd_t *pmd;
 	struct page *pg;
 
-	pg = alloc_pages(GFP_KERNEL_ACCOUNT, PMD_ORDER);
+	pg = alloc_pages(GFP_KERNEL_ACCOUNT, PMD_TABLE_ORDER);
 	if (!pg)
 		return NULL;
 
 	if (!pgtable_pmd_page_ctor(pg)) {
-		__free_pages(pg, PMD_ORDER);
+		__free_pages(pg, PMD_TABLE_ORDER);
 		return NULL;
 	}
 
@@ -91,7 +91,7 @@ static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long address)
 {
 	pud_t *pud;
 
-	pud = (pud_t *) __get_free_pages(GFP_KERNEL, PUD_ORDER);
+	pud = (pud_t *) __get_free_pages(GFP_KERNEL, PUD_TABLE_ORDER);
 	if (pud)
 		pud_init((unsigned long)pud, (unsigned long)invalid_pmd_table);
 	return pud;
diff --git a/arch/mips/include/asm/pgtable-32.h b/arch/mips/include/asm/pgtable-32.h
index c4964c86600a..b40a0e69fccc 100644
--- a/arch/mips/include/asm/pgtable-32.h
+++ b/arch/mips/include/asm/pgtable-32.h
@@ -62,9 +62,9 @@ extern int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1,
 
 /* PGDIR_SHIFT determines what a third-level page table entry can map */
 #if defined(CONFIG_MIPS_HUGE_TLB_SUPPORT) && !defined(CONFIG_PHYS_ADDR_T_64BIT)
-# define PGDIR_SHIFT	(2 * PAGE_SHIFT + PTE_ORDER - PTE_T_LOG2 - 1)
+# define PGDIR_SHIFT	(2 * PAGE_SHIFT - PTE_T_LOG2 - 1)
 #else
-# define PGDIR_SHIFT	(2 * PAGE_SHIFT + PTE_ORDER - PTE_T_LOG2)
+# define PGDIR_SHIFT	(2 * PAGE_SHIFT - PTE_T_LOG2)
 #endif
 
 #define PGDIR_SIZE	(1UL << PGDIR_SHIFT)
@@ -75,21 +75,20 @@ extern int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1,
  * we don't really have any PUD/PMD directory physically.
  */
 #if defined(CONFIG_MIPS_HUGE_TLB_SUPPORT) && !defined(CONFIG_PHYS_ADDR_T_64BIT)
-# define __PGD_ORDER	(32 - 3 * PAGE_SHIFT + PGD_T_LOG2 + PTE_T_LOG2 + 1)
+# define __PGD_TABLE_ORDER (32 - 3 * PAGE_SHIFT + PGD_T_LOG2 + PTE_T_LOG2 + 1)
 #else
-# define __PGD_ORDER	(32 - 3 * PAGE_SHIFT + PGD_T_LOG2 + PTE_T_LOG2)
+# define __PGD_TABLE_ORDER (32 - 3 * PAGE_SHIFT + PGD_T_LOG2 + PTE_T_LOG2)
 #endif
 
-#define PGD_ORDER	(__PGD_ORDER >= 0 ? __PGD_ORDER : 0)
-#define PUD_ORDER	aieeee_attempt_to_allocate_pud
-#define PMD_ORDER	aieeee_attempt_to_allocate_pmd
-#define PTE_ORDER	0
+#define PGD_TABLE_ORDER	(__PGD_TABLE_ORDER >= 0 ? __PGD_TABLE_ORDER : 0)
+#define PUD_TABLE_ORDER	aieeee_attempt_to_allocate_pud
+#define PMD_TABLE_ORDER	aieeee_attempt_to_allocate_pmd
 
 #define PTRS_PER_PGD	(USER_PTRS_PER_PGD * 2)
 #if defined(CONFIG_MIPS_HUGE_TLB_SUPPORT) && !defined(CONFIG_PHYS_ADDR_T_64BIT)
-# define PTRS_PER_PTE	((PAGE_SIZE << PTE_ORDER) / sizeof(pte_t) / 2)
+# define PTRS_PER_PTE	(PAGE_SIZE / sizeof(pte_t) / 2)
 #else
-# define PTRS_PER_PTE	((PAGE_SIZE << PTE_ORDER) / sizeof(pte_t))
+# define PTRS_PER_PTE	(PAGE_SIZE / sizeof(pte_t))
 #endif
 
 #define USER_PTRS_PER_PGD	(0x80000000UL/PGDIR_SIZE)
diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h
index fd051c24d314..436c29d698fa 100644
--- a/arch/mips/include/asm/pgtable-64.h
+++ b/arch/mips/include/asm/pgtable-64.h
@@ -42,24 +42,24 @@
 
 /* PGDIR_SHIFT determines what a third-level page table entry can map */
 #ifdef __PAGETABLE_PMD_FOLDED
-#define PGDIR_SHIFT	(PAGE_SHIFT + PAGE_SHIFT + PTE_ORDER - 3)
+#define PGDIR_SHIFT	(PAGE_SHIFT + PAGE_SHIFT - 3)
 #else
 
 /* PMD_SHIFT determines the size of the area a second-level page table can map */
-#define PMD_SHIFT	(PAGE_SHIFT + (PAGE_SHIFT + PTE_ORDER - 3))
+#define PMD_SHIFT	(PAGE_SHIFT + (PAGE_SHIFT - 3))
 #define PMD_SIZE	(1UL << PMD_SHIFT)
 #define PMD_MASK	(~(PMD_SIZE-1))
 
 # ifdef __PAGETABLE_PUD_FOLDED
-# define PGDIR_SHIFT	(PMD_SHIFT + (PAGE_SHIFT + PMD_ORDER - 3))
+# define PGDIR_SHIFT	(PMD_SHIFT + (PAGE_SHIFT + PMD_TABLE_ORDER - 3))
 # endif
 #endif
 
 #ifndef __PAGETABLE_PUD_FOLDED
-#define PUD_SHIFT	(PMD_SHIFT + (PAGE_SHIFT + PMD_ORDER - 3))
+#define PUD_SHIFT	(PMD_SHIFT + (PAGE_SHIFT + PMD_TABLE_ORDER - 3))
 #define PUD_SIZE	(1UL << PUD_SHIFT)
 #define PUD_MASK	(~(PUD_SIZE-1))
-#define PGDIR_SHIFT	(PUD_SHIFT + (PAGE_SHIFT + PUD_ORDER - 3))
+#define PGDIR_SHIFT	(PUD_SHIFT + (PAGE_SHIFT + PUD_TABLE_ORDER - 3))
 #endif
 
 #define PGDIR_SIZE	(1UL << PGDIR_SHIFT)
@@ -85,56 +85,51 @@
  */
 #ifdef CONFIG_PAGE_SIZE_4KB
 # ifdef CONFIG_MIPS_VA_BITS_48
-#  define PGD_ORDER		0
-#  define PUD_ORDER		0
+#  define PGD_TABLE_ORDER	0
+#  define PUD_TABLE_ORDER	0
 # else
-#  define PGD_ORDER		1
-#  define PUD_ORDER		aieeee_attempt_to_allocate_pud
+#  define PGD_TABLE_ORDER	1
+#  define PUD_TABLE_ORDER	aieeee_attempt_to_allocate_pud
 # endif
-#define PMD_ORDER		0
-#define PTE_ORDER		0
+#define PMD_TABLE_ORDER		0
 #endif
 #ifdef CONFIG_PAGE_SIZE_8KB
-#define PGD_ORDER		0
-#define PUD_ORDER		aieeee_attempt_to_allocate_pud
-#define PMD_ORDER		0
-#define PTE_ORDER		0
+#define PGD_TABLE_ORDER		0
+#define PUD_TABLE_ORDER		aieeee_attempt_to_allocate_pud
+#define PMD_TABLE_ORDER		0
 #endif
 #ifdef CONFIG_PAGE_SIZE_16KB
 #ifdef CONFIG_MIPS_VA_BITS_48
-#define PGD_ORDER               1
+#define PGD_TABLE_ORDER		1
 #else
-#define PGD_ORDER               0
+#define PGD_TABLE_ORDER		0
 #endif
-#define PUD_ORDER		aieeee_attempt_to_allocate_pud
-#define PMD_ORDER		0
-#define PTE_ORDER		0
+#define PUD_TABLE_ORDER		aieeee_attempt_to_allocate_pud
+#define PMD_TABLE_ORDER		0
 #endif
 #ifdef CONFIG_PAGE_SIZE_32KB
-#define PGD_ORDER		0
-#define PUD_ORDER		aieeee_attempt_to_allocate_pud
-#define PMD_ORDER		0
-#define PTE_ORDER		0
+#define PGD_TABLE_ORDER		0
+#define PUD_TABLE_ORDER		aieeee_attempt_to_allocate_pud
+#define PMD_TABLE_ORDER		0
 #endif
 #ifdef CONFIG_PAGE_SIZE_64KB
-#define PGD_ORDER		0
-#define PUD_ORDER		aieeee_attempt_to_allocate_pud
+#define PGD_TABLE_ORDER		0
+#define PUD_TABLE_ORDER		aieeee_attempt_to_allocate_pud
 #ifdef CONFIG_MIPS_VA_BITS_48
-#define PMD_ORDER		0
+#define PMD_TABLE_ORDER		0
 #else
-#define PMD_ORDER		aieeee_attempt_to_allocate_pmd
+#define PMD_TABLE_ORDER		aieeee_attempt_to_allocate_pmd
 #endif
-#define PTE_ORDER		0
 #endif
 
-#define PTRS_PER_PGD	((PAGE_SIZE << PGD_ORDER) / sizeof(pgd_t))
+#define PTRS_PER_PGD	((PAGE_SIZE << PGD_TABLE_ORDER) / sizeof(pgd_t))
 #ifndef __PAGETABLE_PUD_FOLDED
-#define PTRS_PER_PUD	((PAGE_SIZE << PUD_ORDER) / sizeof(pud_t))
+#define PTRS_PER_PUD	((PAGE_SIZE << PUD_TABLE_ORDER) / sizeof(pud_t))
 #endif
 #ifndef __PAGETABLE_PMD_FOLDED
-#define PTRS_PER_PMD	((PAGE_SIZE << PMD_ORDER) / sizeof(pmd_t))
+#define PTRS_PER_PMD	((PAGE_SIZE << PMD_TABLE_ORDER) / sizeof(pmd_t))
 #endif
-#define PTRS_PER_PTE	((PAGE_SIZE << PTE_ORDER) / sizeof(pte_t))
+#define PTRS_PER_PTE	(PAGE_SIZE / sizeof(pte_t))
 
 #define USER_PTRS_PER_PGD       ((TASK_SIZE64 / PGDIR_SIZE)?(TASK_SIZE64 / PGDIR_SIZE):1)
 
diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
index 374c6322775d..6caec386ad2f 100644
--- a/arch/mips/include/asm/pgtable.h
+++ b/arch/mips/include/asm/pgtable.h
@@ -41,28 +41,6 @@ struct vm_area_struct;
  * by reasonable means..
  */
 
-/*
- * Dummy values to fill the table in mmap.c
- * The real values will be generated at runtime
- */
-#define __P000 __pgprot(0)
-#define __P001 __pgprot(0)
-#define __P010 __pgprot(0)
-#define __P011 __pgprot(0)
-#define __P100 __pgprot(0)
-#define __P101 __pgprot(0)
-#define __P110 __pgprot(0)
-#define __P111 __pgprot(0)
-
-#define __S000 __pgprot(0)
-#define __S001 __pgprot(0)
-#define __S010 __pgprot(0)
-#define __S011 __pgprot(0)
-#define __S100 __pgprot(0)
-#define __S101 __pgprot(0)
-#define __S110 __pgprot(0)
-#define __S111 __pgprot(0)
-
 extern unsigned long _page_cachable_default;
 extern void __update_cache(unsigned long address, pte_t pte);
 
diff --git a/arch/mips/include/uapi/asm/ucontext.h b/arch/mips/include/uapi/asm/ucontext.h
index 2d3bf8eebf1f..6122ef97c6ff 100644
--- a/arch/mips/include/uapi/asm/ucontext.h
+++ b/arch/mips/include/uapi/asm/ucontext.h
@@ -60,7 +60,7 @@ struct ucontext {
 	sigset_t		uc_sigmask;
 
 	/* Extended context structures may follow ucontext */
-	unsigned long long	uc_extcontext[0];
+	unsigned long long	uc_extcontext[];
 };
 
 #endif /* __MIPS_UAPI_ASM_UCONTEXT_H */
diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c
index 04ca75278f02..c4501897b870 100644
--- a/arch/mips/kernel/asm-offsets.c
+++ b/arch/mips/kernel/asm-offsets.c
@@ -196,11 +196,6 @@ void output_mm_defines(void)
 #endif
 	DEFINE(_PTE_T_LOG2, PTE_T_LOG2);
 	BLANK();
-	DEFINE(_PGD_ORDER, PGD_ORDER);
-#ifndef __PAGETABLE_PMD_FOLDED
-	DEFINE(_PMD_ORDER, PMD_ORDER);
-#endif
-	DEFINE(_PTE_ORDER, PTE_ORDER);
 	BLANK();
 	DEFINE(_PMD_SHIFT, PMD_SHIFT);
 	DEFINE(_PGDIR_SHIFT, PGDIR_SHIFT);
diff --git a/arch/mips/kernel/jump_label.c b/arch/mips/kernel/jump_label.c
index 662c8db9f45b..71a882c8c6eb 100644
--- a/arch/mips/kernel/jump_label.c
+++ b/arch/mips/kernel/jump_label.c
@@ -88,3 +88,22 @@ void arch_jump_label_transform(struct jump_entry *e,
 
 	mutex_unlock(&text_mutex);
 }
+
+#ifdef CONFIG_MODULES
+void jump_label_apply_nops(struct module *mod)
+{
+	struct jump_entry *iter_start = mod->jump_entries;
+	struct jump_entry *iter_stop = iter_start + mod->num_jump_entries;
+	struct jump_entry *iter;
+
+	/* if the module doesn't have jump label entries, just return */
+	if (iter_start == iter_stop)
+		return;
+
+	for (iter = iter_start; iter < iter_stop; iter++) {
+		/* Only write NOPs for arch_branch_static(). */
+		if (jump_label_init_type(iter) == JUMP_LABEL_NOP)
+			arch_jump_label_transform(iter, JUMP_LABEL_NOP);
+	}
+}
+#endif
diff --git a/arch/mips/kernel/mips-mt.c b/arch/mips/kernel/mips-mt.c
index d5f7362e8c24..dc023a979803 100644
--- a/arch/mips/kernel/mips-mt.c
+++ b/arch/mips/kernel/mips-mt.c
@@ -230,7 +230,7 @@ void mips_mt_set_cpuoptions(void)
 
 struct class *mt_class;
 
-static int __init mt_init(void)
+static int __init mips_mt_init(void)
 {
 	struct class *mtc;
 
@@ -243,4 +243,4 @@ static int __init mt_init(void)
 	return 0;
 }
 
-subsys_initcall(mt_init);
+subsys_initcall(mips_mt_init);
diff --git a/arch/mips/kernel/module.c b/arch/mips/kernel/module.c
index 14f46d17500a..0c936cbf20c5 100644
--- a/arch/mips/kernel/module.c
+++ b/arch/mips/kernel/module.c
@@ -21,6 +21,7 @@
 #include <linux/spinlock.h>
 #include <linux/jump_label.h>
 
+extern void jump_label_apply_nops(struct module *mod);
 
 struct mips_hi16 {
 	struct mips_hi16 *next;
@@ -428,8 +429,8 @@ int module_finalize(const Elf_Ehdr *hdr,
 	const Elf_Shdr *s;
 	char *secstrings = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
 
-	/* Make jump label nops. */
-	jump_label_apply_nops(me);
+	if (IS_ENABLED(CONFIG_JUMP_LABEL))
+		jump_label_apply_nops(me);
 
 	INIT_LIST_HEAD(&me->arch.dbe_list);
 	for (s = sechdrs; s < sechdrs + hdr->e_shnum; s++) {
diff --git a/arch/mips/kvm/mmu.c b/arch/mips/kvm/mmu.c
index 1bfd1b501d82..db17e870bdff 100644
--- a/arch/mips/kvm/mmu.c
+++ b/arch/mips/kvm/mmu.c
@@ -80,7 +80,7 @@ pgd_t *kvm_pgd_alloc(void)
 {
 	pgd_t *ret;
 
-	ret = (pgd_t *)__get_free_pages(GFP_KERNEL, PGD_ORDER);
+	ret = (pgd_t *)__get_free_pages(GFP_KERNEL, PGD_TABLE_ORDER);
 	if (ret)
 		kvm_pgd_init(ret);
 
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index 7be7240f7703..11b3e7ddafd5 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -159,6 +159,9 @@ EXPORT_SYMBOL(_page_cachable_default);
 
 #define PM(p)	__pgprot(_page_cachable_default | (p))
 
+static pgprot_t protection_map[16] __ro_after_init;
+DECLARE_VM_GET_PAGE_PROT
+
 static inline void setup_protection_map(void)
 {
 	protection_map[0]  = PM(_PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index b08bc556d30d..a27045f5a556 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -162,6 +162,10 @@ good_area:
 		return;
 	}
 
+	/* The fault is fully completed (including releasing mmap lock) */
+	if (fault & VM_FAULT_COMPLETED)
+		return;
+
 	if (unlikely(fault & VM_FAULT_ERROR)) {
 		if (fault & VM_FAULT_OOM)
 			goto out_of_memory;
diff --git a/arch/mips/mm/pgtable.c b/arch/mips/mm/pgtable.c
index 05560b042d82..3b7590660a04 100644
--- a/arch/mips/mm/pgtable.c
+++ b/arch/mips/mm/pgtable.c
@@ -12,7 +12,7 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
 {
 	pgd_t *ret, *init;
 
-	ret = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ORDER);
+	ret = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_TABLE_ORDER);
 	if (ret) {
 		init = pgd_offset(&init_mm, 0UL);
 		pgd_init((unsigned long)ret);
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index ff6a44b8d78a..80e05ee98d62 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -799,7 +799,7 @@ void build_get_pmde64(u32 **p, struct uasm_label **l, struct uasm_reloc **r,
 		 * everything but the lower xuseg addresses goes down
 		 * the module_alloc/vmalloc path.
 		 */
-		uasm_i_dsrl_safe(p, ptr, tmp, PGDIR_SHIFT + PGD_ORDER + PAGE_SHIFT - 3);
+		uasm_i_dsrl_safe(p, ptr, tmp, PGDIR_SHIFT + PGD_TABLE_ORDER + PAGE_SHIFT - 3);
 		uasm_il_bnez(p, r, ptr, label_vmalloc);
 	} else {
 		uasm_il_bltz(p, r, tmp, label_vmalloc);
@@ -1092,7 +1092,7 @@ build_fast_tlb_refill_handler (u32 **p, struct uasm_label **l,
 			UASM_i_SW(p, scratch, scratchpad_offset(0), 0);
 
 		uasm_i_dsrl_safe(p, scratch, tmp,
-				 PGDIR_SHIFT + PGD_ORDER + PAGE_SHIFT - 3);
+				 PGDIR_SHIFT + PGD_TABLE_ORDER + PAGE_SHIFT - 3);
 		uasm_il_bnez(p, r, scratch, label_vmalloc);
 
 		if (pgd_reg == -1) {
@@ -1458,12 +1458,12 @@ static void setup_pw(void)
 #endif
 	pgd_i = PGDIR_SHIFT;  /* 1st level PGD */
 #ifndef __PAGETABLE_PMD_FOLDED
-	pgd_w = PGDIR_SHIFT - PMD_SHIFT + PGD_ORDER;
+	pgd_w = PGDIR_SHIFT - PMD_SHIFT + PGD_TABLE_ORDER;
 
 	pmd_i = PMD_SHIFT;    /* 2nd level PMD */
 	pmd_w = PMD_SHIFT - PAGE_SHIFT;
 #else
-	pgd_w = PGDIR_SHIFT - PAGE_SHIFT + PGD_ORDER;
+	pgd_w = PGDIR_SHIFT - PAGE_SHIFT + PGD_TABLE_ORDER;
 #endif
 
 	pt_i  = PAGE_SHIFT;    /* 3rd level PTE */
@@ -1501,7 +1501,7 @@ static void build_loongson3_tlb_refill_handler(void)
 
 	if (check_for_high_segbits) {
 		uasm_i_dmfc0(&p, K0, C0_BADVADDR);
-		uasm_i_dsrl_safe(&p, K1, K0, PGDIR_SHIFT + PGD_ORDER + PAGE_SHIFT - 3);
+		uasm_i_dsrl_safe(&p, K1, K0, PGDIR_SHIFT + PGD_TABLE_ORDER + PAGE_SHIFT - 3);
 		uasm_il_beqz(&p, &r, K1, label_vmalloc);
 		uasm_i_nop(&p);
 
@@ -2030,7 +2030,7 @@ build_r4000_tlbchange_handler_head(u32 **p, struct uasm_label **l,
 
 	UASM_i_MFC0(p, wr.r1, C0_BADVADDR);
 	UASM_i_LW(p, wr.r2, 0, wr.r2);
-	UASM_i_SRL(p, wr.r1, wr.r1, PAGE_SHIFT + PTE_ORDER - PTE_T_LOG2);
+	UASM_i_SRL(p, wr.r1, wr.r1, PAGE_SHIFT - PTE_T_LOG2);
 	uasm_i_andi(p, wr.r1, wr.r1, (PTRS_PER_PTE - 1) << PTE_T_LOG2);
 	UASM_i_ADDU(p, wr.r2, wr.r2, wr.r1);
 
@@ -2576,7 +2576,7 @@ void build_tlb_refill_handler(void)
 	check_pabits();
 
 #ifdef CONFIG_64BIT
-	check_for_high_segbits = current_cpu_data.vmbits > (PGDIR_SHIFT + PGD_ORDER + PAGE_SHIFT - 3);
+	check_for_high_segbits = current_cpu_data.vmbits > (PGDIR_SHIFT + PGD_TABLE_ORDER + PAGE_SHIFT - 3);
 #endif
 
 	if (cpu_has_3kex) {