diff options
Diffstat (limited to 'arch/mips')
34 files changed, 58 insertions, 191 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 178cf1fbd033..57a945e832f4 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -31,7 +31,6 @@ config MIPS select RTC_LIB if !MACH_LOONGSON64 select GENERIC_ATOMIC64 if !64BIT select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE - select HAVE_DMA_ATTRS select HAVE_DMA_CONTIGUOUS select HAVE_DMA_API_DEBUG select GENERIC_IRQ_PROBE diff --git a/arch/mips/alchemy/devboards/db1200.c b/arch/mips/alchemy/devboards/db1200.c index 8c13675a12e7..992442a03d8b 100644 --- a/arch/mips/alchemy/devboards/db1200.c +++ b/arch/mips/alchemy/devboards/db1200.c @@ -200,7 +200,7 @@ static struct i2c_board_info db1200_i2c_devs[] __initdata = { static void au1200_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) { - struct nand_chip *this = mtd->priv; + struct nand_chip *this = mtd_to_nand(mtd); unsigned long ioaddr = (unsigned long)this->IO_ADDR_W; ioaddr &= 0xffffff00; diff --git a/arch/mips/alchemy/devboards/db1300.c b/arch/mips/alchemy/devboards/db1300.c index b58077008a53..d3c087f59f1a 100644 --- a/arch/mips/alchemy/devboards/db1300.c +++ b/arch/mips/alchemy/devboards/db1300.c @@ -150,7 +150,7 @@ static void __init db1300_gpio_config(void) static void au1300_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) { - struct nand_chip *this = mtd->priv; + struct nand_chip *this = mtd_to_nand(mtd); unsigned long ioaddr = (unsigned long)this->IO_ADDR_W; ioaddr &= 0xffffff00; diff --git a/arch/mips/alchemy/devboards/db1550.c b/arch/mips/alchemy/devboards/db1550.c index 5740bcfdfc7f..b518f029f5e7 100644 --- a/arch/mips/alchemy/devboards/db1550.c +++ b/arch/mips/alchemy/devboards/db1550.c @@ -128,7 +128,7 @@ static struct i2c_board_info db1550_i2c_devs[] __initdata = { static void au1550_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) { - struct nand_chip *this = mtd->priv; + struct nand_chip *this = mtd_to_nand(mtd); unsigned long ioaddr = (unsigned long)this->IO_ADDR_W; ioaddr &= 0xffffff00; diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c index 6d38948f0f1e..c807e32d6d81 100644 --- a/arch/mips/bcm47xx/setup.c +++ b/arch/mips/bcm47xx/setup.c @@ -101,50 +101,13 @@ static void bcm47xx_machine_halt(void) } #ifdef CONFIG_BCM47XX_SSB -static int bcm47xx_get_invariants(struct ssb_bus *bus, - struct ssb_init_invariants *iv) -{ - char buf[20]; - int len, err; - - /* Fill boardinfo structure */ - memset(&iv->boardinfo, 0 , sizeof(struct ssb_boardinfo)); - - len = bcm47xx_nvram_getenv("boardvendor", buf, sizeof(buf)); - if (len > 0) { - err = kstrtou16(strim(buf), 0, &iv->boardinfo.vendor); - if (err) - pr_warn("Couldn't parse nvram board vendor entry with value \"%s\"\n", - buf); - } - if (!iv->boardinfo.vendor) - iv->boardinfo.vendor = SSB_BOARDVENDOR_BCM; - - len = bcm47xx_nvram_getenv("boardtype", buf, sizeof(buf)); - if (len > 0) { - err = kstrtou16(strim(buf), 0, &iv->boardinfo.type); - if (err) - pr_warn("Couldn't parse nvram board type entry with value \"%s\"\n", - buf); - } - - memset(&iv->sprom, 0, sizeof(struct ssb_sprom)); - bcm47xx_fill_sprom(&iv->sprom, NULL, false); - - if (bcm47xx_nvram_getenv("cardbus", buf, sizeof(buf)) >= 0) - iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10); - - return 0; -} - static void __init bcm47xx_register_ssb(void) { int err; char buf[100]; struct ssb_mipscore *mcore; - err = ssb_bus_ssbbus_register(&bcm47xx_bus.ssb, SSB_ENUM_BASE, - bcm47xx_get_invariants); + err = ssb_bus_host_soc_register(&bcm47xx_bus.ssb, SSB_ENUM_BASE); if (err) panic("Failed to initialize SSB bus (err %d)", err); diff --git a/arch/mips/boot/dts/brcm/bcm6328.dtsi b/arch/mips/boot/dts/brcm/bcm6328.dtsi index d61b1616b604..459b9b252c3b 100644 --- a/arch/mips/boot/dts/brcm/bcm6328.dtsi +++ b/arch/mips/boot/dts/brcm/bcm6328.dtsi @@ -74,7 +74,6 @@ timer: timer@10000040 { compatible = "syscon"; reg = <0x10000040 0x2c>; - little-endian; }; reboot { diff --git a/arch/mips/boot/dts/brcm/bcm7125.dtsi b/arch/mips/boot/dts/brcm/bcm7125.dtsi index 1a7efa883c5e..4fc7ecee273c 100644 --- a/arch/mips/boot/dts/brcm/bcm7125.dtsi +++ b/arch/mips/boot/dts/brcm/bcm7125.dtsi @@ -98,7 +98,6 @@ sun_top_ctrl: syscon@404000 { compatible = "brcm,bcm7125-sun-top-ctrl", "syscon"; reg = <0x404000 0x60c>; - little-endian; }; reboot { diff --git a/arch/mips/boot/dts/brcm/bcm7346.dtsi b/arch/mips/boot/dts/brcm/bcm7346.dtsi index d4bf52cfcf17..a3039bb53477 100644 --- a/arch/mips/boot/dts/brcm/bcm7346.dtsi +++ b/arch/mips/boot/dts/brcm/bcm7346.dtsi @@ -118,7 +118,6 @@ sun_top_ctrl: syscon@404000 { compatible = "brcm,bcm7346-sun-top-ctrl", "syscon"; reg = <0x404000 0x51c>; - little-endian; }; reboot { diff --git a/arch/mips/boot/dts/brcm/bcm7358.dtsi b/arch/mips/boot/dts/brcm/bcm7358.dtsi index 8e2501694d03..4274ff41ec21 100644 --- a/arch/mips/boot/dts/brcm/bcm7358.dtsi +++ b/arch/mips/boot/dts/brcm/bcm7358.dtsi @@ -112,7 +112,6 @@ sun_top_ctrl: syscon@404000 { compatible = "brcm,bcm7358-sun-top-ctrl", "syscon"; reg = <0x404000 0x51c>; - little-endian; }; reboot { diff --git a/arch/mips/boot/dts/brcm/bcm7360.dtsi b/arch/mips/boot/dts/brcm/bcm7360.dtsi index 7e5f76040fb8..0dcc9163c27b 100644 --- a/arch/mips/boot/dts/brcm/bcm7360.dtsi +++ b/arch/mips/boot/dts/brcm/bcm7360.dtsi @@ -112,7 +112,6 @@ sun_top_ctrl: syscon@404000 { compatible = "brcm,bcm7360-sun-top-ctrl", "syscon"; reg = <0x404000 0x51c>; - little-endian; }; reboot { diff --git a/arch/mips/boot/dts/brcm/bcm7362.dtsi b/arch/mips/boot/dts/brcm/bcm7362.dtsi index c739ea77acb0..2f3f9fc2c478 100644 --- a/arch/mips/boot/dts/brcm/bcm7362.dtsi +++ b/arch/mips/boot/dts/brcm/bcm7362.dtsi @@ -118,7 +118,6 @@ sun_top_ctrl: syscon@404000 { compatible = "brcm,bcm7362-sun-top-ctrl", "syscon"; reg = <0x404000 0x51c>; - little-endian; }; reboot { diff --git a/arch/mips/boot/dts/brcm/bcm7420.dtsi b/arch/mips/boot/dts/brcm/bcm7420.dtsi index 5f55d0a50a28..bee221b3b568 100644 --- a/arch/mips/boot/dts/brcm/bcm7420.dtsi +++ b/arch/mips/boot/dts/brcm/bcm7420.dtsi @@ -99,7 +99,6 @@ sun_top_ctrl: syscon@404000 { compatible = "brcm,bcm7420-sun-top-ctrl", "syscon"; reg = <0x404000 0x60c>; - little-endian; }; reboot { diff --git a/arch/mips/boot/dts/brcm/bcm7425.dtsi b/arch/mips/boot/dts/brcm/bcm7425.dtsi index e24d41ab4e30..571f30f52e3f 100644 --- a/arch/mips/boot/dts/brcm/bcm7425.dtsi +++ b/arch/mips/boot/dts/brcm/bcm7425.dtsi @@ -100,7 +100,6 @@ sun_top_ctrl: syscon@404000 { compatible = "brcm,bcm7425-sun-top-ctrl", "syscon"; reg = <0x404000 0x51c>; - little-endian; }; reboot { diff --git a/arch/mips/boot/dts/brcm/bcm7435.dtsi b/arch/mips/boot/dts/brcm/bcm7435.dtsi index 8b9432cc062b..614ee211f71a 100644 --- a/arch/mips/boot/dts/brcm/bcm7435.dtsi +++ b/arch/mips/boot/dts/brcm/bcm7435.dtsi @@ -114,7 +114,6 @@ sun_top_ctrl: syscon@404000 { compatible = "brcm,bcm7425-sun-top-ctrl", "syscon"; reg = <0x404000 0x51c>; - little-endian; }; reboot { diff --git a/arch/mips/include/asm/barrier.h b/arch/mips/include/asm/barrier.h index 752e0b86c171..d296633d890e 100644 --- a/arch/mips/include/asm/barrier.h +++ b/arch/mips/include/asm/barrier.h @@ -10,9 +10,6 @@ #include <asm/addrspace.h> -#define read_barrier_depends() do { } while(0) -#define smp_read_barrier_depends() do { } while(0) - #ifdef CONFIG_CPU_HAS_SYNC #define __sync() \ __asm__ __volatile__( \ @@ -87,23 +84,21 @@ #define wmb() fast_wmb() #define rmb() fast_rmb() -#define dma_wmb() fast_wmb() -#define dma_rmb() fast_rmb() -#if defined(CONFIG_WEAK_ORDERING) && defined(CONFIG_SMP) +#if defined(CONFIG_WEAK_ORDERING) # ifdef CONFIG_CPU_CAVIUM_OCTEON -# define smp_mb() __sync() -# define smp_rmb() barrier() -# define smp_wmb() __syncw() +# define __smp_mb() __sync() +# define __smp_rmb() barrier() +# define __smp_wmb() __syncw() # else -# define smp_mb() __asm__ __volatile__("sync" : : :"memory") -# define smp_rmb() __asm__ __volatile__("sync" : : :"memory") -# define smp_wmb() __asm__ __volatile__("sync" : : :"memory") +# define __smp_mb() __asm__ __volatile__("sync" : : :"memory") +# define __smp_rmb() __asm__ __volatile__("sync" : : :"memory") +# define __smp_wmb() __asm__ __volatile__("sync" : : :"memory") # endif #else -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() +#define __smp_mb() barrier() +#define __smp_rmb() barrier() +#define __smp_wmb() barrier() #endif #if defined(CONFIG_WEAK_REORDERING_BEYOND_LLSC) && defined(CONFIG_SMP) @@ -112,13 +107,11 @@ #define __WEAK_LLSC_MB " \n" #endif -#define smp_store_mb(var, value) \ - do { WRITE_ONCE(var, value); smp_mb(); } while (0) - #define smp_llsc_mb() __asm__ __volatile__(__WEAK_LLSC_MB : : :"memory") #ifdef CONFIG_CPU_CAVIUM_OCTEON #define smp_mb__before_llsc() smp_wmb() +#define __smp_mb__before_llsc() __smp_wmb() /* Cause previous writes to become visible on all CPUs as soon as possible */ #define nudge_writes() __asm__ __volatile__(".set push\n\t" \ ".set arch=octeon\n\t" \ @@ -126,25 +119,13 @@ ".set pop" : : : "memory") #else #define smp_mb__before_llsc() smp_llsc_mb() +#define __smp_mb__before_llsc() smp_llsc_mb() #define nudge_writes() mb() #endif -#define smp_store_release(p, v) \ -do { \ - compiletime_assert_atomic_type(*p); \ - smp_mb(); \ - WRITE_ONCE(*p, v); \ -} while (0) - -#define smp_load_acquire(p) \ -({ \ - typeof(*p) ___p1 = READ_ONCE(*p); \ - compiletime_assert_atomic_type(*p); \ - smp_mb(); \ - ___p1; \ -}) - -#define smp_mb__before_atomic() smp_mb__before_llsc() -#define smp_mb__after_atomic() smp_llsc_mb() +#define __smp_mb__before_atomic() __smp_mb__before_llsc() +#define __smp_mb__after_atomic() smp_llsc_mb() + +#include <asm-generic/barrier.h> #endif /* __ASM_BARRIER_H */ diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h index e604f760c4a0..12fa79e2f1b4 100644 --- a/arch/mips/include/asm/dma-mapping.h +++ b/arch/mips/include/asm/dma-mapping.h @@ -29,8 +29,6 @@ static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size) static inline void dma_mark_clean(void *addr, size_t size) {} -#include <asm-generic/dma-mapping-common.h> - extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction); diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h index ba8d9acdba30..f6b12790716c 100644 --- a/arch/mips/include/asm/kvm_host.h +++ b/arch/mips/include/asm/kvm_host.h @@ -93,9 +93,9 @@ #define KVM_INVALID_ADDR 0xdeadbeef extern atomic_t kvm_mips_instance; -extern pfn_t(*kvm_mips_gfn_to_pfn) (struct kvm *kvm, gfn_t gfn); -extern void (*kvm_mips_release_pfn_clean) (pfn_t pfn); -extern bool(*kvm_mips_is_error_pfn) (pfn_t pfn); +extern kvm_pfn_t (*kvm_mips_gfn_to_pfn)(struct kvm *kvm, gfn_t gfn); +extern void (*kvm_mips_release_pfn_clean)(kvm_pfn_t pfn); +extern bool (*kvm_mips_is_error_pfn)(kvm_pfn_t pfn); struct kvm_vm_stat { u32 remote_tlb_flush; diff --git a/arch/mips/include/asm/pgtable-bits.h b/arch/mips/include/asm/pgtable-bits.h index ff7ad91c85db..97b313882678 100644 --- a/arch/mips/include/asm/pgtable-bits.h +++ b/arch/mips/include/asm/pgtable-bits.h @@ -131,14 +131,12 @@ /* Huge TLB page */ #define _PAGE_HUGE_SHIFT (_PAGE_MODIFIED_SHIFT + 1) #define _PAGE_HUGE (1 << _PAGE_HUGE_SHIFT) -#define _PAGE_SPLITTING_SHIFT (_PAGE_HUGE_SHIFT + 1) -#define _PAGE_SPLITTING (1 << _PAGE_SPLITTING_SHIFT) #endif /* CONFIG_64BIT && CONFIG_MIPS_HUGE_TLB_SUPPORT */ #if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) /* XI - page cannot be executed */ -#ifdef _PAGE_SPLITTING_SHIFT -#define _PAGE_NO_EXEC_SHIFT (_PAGE_SPLITTING_SHIFT + 1) +#ifdef _PAGE_HUGE_SHIFT +#define _PAGE_NO_EXEC_SHIFT (_PAGE_HUGE_SHIFT + 1) #else #define _PAGE_NO_EXEC_SHIFT (_PAGE_MODIFIED_SHIFT + 1) #endif @@ -153,8 +151,8 @@ #if defined(_PAGE_NO_READ_SHIFT) #define _PAGE_GLOBAL_SHIFT (_PAGE_NO_READ_SHIFT + 1) -#elif defined(_PAGE_SPLITTING_SHIFT) -#define _PAGE_GLOBAL_SHIFT (_PAGE_SPLITTING_SHIFT + 1) +#elif defined(_PAGE_HUGE_SHIFT) +#define _PAGE_GLOBAL_SHIFT (_PAGE_HUGE_SHIFT + 1) #else #define _PAGE_GLOBAL_SHIFT (_PAGE_MODIFIED_SHIFT + 1) #endif diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index 18826aa15a7c..9a4fe0133ff1 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -482,27 +482,9 @@ static inline pmd_t pmd_mkhuge(pmd_t pmd) return pmd; } -static inline int pmd_trans_splitting(pmd_t pmd) -{ - return !!(pmd_val(pmd) & _PAGE_SPLITTING); -} - -static inline pmd_t pmd_mksplitting(pmd_t pmd) -{ - pmd_val(pmd) |= _PAGE_SPLITTING; - - return pmd; -} - extern void set_pmd_at(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t pmd); -#define __HAVE_ARCH_PMDP_SPLITTING_FLUSH -/* Extern to avoid header file madness */ -extern void pmdp_splitting_flush(struct vm_area_struct *vma, - unsigned long address, - pmd_t *pmdp); - #define __HAVE_ARCH_PMD_WRITE static inline int pmd_write(pmd_t pmd) { diff --git a/arch/mips/include/uapi/asm/mman.h b/arch/mips/include/uapi/asm/mman.h index 97c03f468924..ccdcfcbb24aa 100644 --- a/arch/mips/include/uapi/asm/mman.h +++ b/arch/mips/include/uapi/asm/mman.h @@ -75,6 +75,7 @@ #define MADV_DONTNEED 4 /* don't need these pages */ /* common parameters: try to keep these consistent across architectures */ +#define MADV_FREE 8 /* free pages only if memory pressure */ #define MADV_REMOVE 9 /* remove these pages & resources */ #define MADV_DONTFORK 10 /* don't inherit across fork */ #define MADV_DOFORK 11 /* do inherit across fork */ diff --git a/arch/mips/include/uapi/asm/socket.h b/arch/mips/include/uapi/asm/socket.h index dec3c850f36b..5910fe294e93 100644 --- a/arch/mips/include/uapi/asm/socket.h +++ b/arch/mips/include/uapi/asm/socket.h @@ -103,4 +103,7 @@ #define SO_ATTACH_BPF 50 #define SO_DETACH_BPF SO_DETACH_FILTER +#define SO_ATTACH_REUSEPORT_CBPF 51 +#define SO_ATTACH_REUSEPORT_EBPF 52 + #endif /* _UAPI_ASM_SOCKET_H */ diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c index 9067b651c7a2..544ea21bfef9 100644 --- a/arch/mips/kernel/vpe.c +++ b/arch/mips/kernel/vpe.c @@ -205,11 +205,11 @@ static void layout_sections(struct module *mod, const Elf_Ehdr *hdr, || s->sh_entsize != ~0UL) continue; s->sh_entsize = - get_offset((unsigned long *)&mod->core_size, s); + get_offset((unsigned long *)&mod->core_layout.size, s); } if (m == 0) - mod->core_text_size = mod->core_size; + mod->core_layout.text_size = mod->core_layout.size; } } @@ -641,7 +641,7 @@ static int vpe_elfload(struct vpe *v) layout_sections(&mod, hdr, sechdrs, secstrings); } - v->load_addr = alloc_progmem(mod.core_size); + v->load_addr = alloc_progmem(mod.core_layout.size); if (!v->load_addr) return -ENOMEM; diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c index 845fd0d91040..b37954cc880d 100644 --- a/arch/mips/kvm/emulate.c +++ b/arch/mips/kvm/emulate.c @@ -1524,7 +1524,7 @@ int kvm_mips_sync_icache(unsigned long va, struct kvm_vcpu *vcpu) struct kvm *kvm = vcpu->kvm; unsigned long pa; gfn_t gfn; - pfn_t pfn; + kvm_pfn_t pfn; gfn = va >> PAGE_SHIFT; diff --git a/arch/mips/kvm/tlb.c b/arch/mips/kvm/tlb.c index 0939b1d6f910..a08c43946247 100644 --- a/arch/mips/kvm/tlb.c +++ b/arch/mips/kvm/tlb.c @@ -38,13 +38,13 @@ atomic_t kvm_mips_instance; EXPORT_SYMBOL_GPL(kvm_mips_instance); /* These function pointers are initialized once the KVM module is loaded */ -pfn_t (*kvm_mips_gfn_to_pfn)(struct kvm *kvm, gfn_t gfn); +kvm_pfn_t (*kvm_mips_gfn_to_pfn)(struct kvm *kvm, gfn_t gfn); EXPORT_SYMBOL_GPL(kvm_mips_gfn_to_pfn); -void (*kvm_mips_release_pfn_clean)(pfn_t pfn); +void (*kvm_mips_release_pfn_clean)(kvm_pfn_t pfn); EXPORT_SYMBOL_GPL(kvm_mips_release_pfn_clean); -bool (*kvm_mips_is_error_pfn)(pfn_t pfn); +bool (*kvm_mips_is_error_pfn)(kvm_pfn_t pfn); EXPORT_SYMBOL_GPL(kvm_mips_is_error_pfn); uint32_t kvm_mips_get_kernel_asid(struct kvm_vcpu *vcpu) @@ -144,7 +144,7 @@ EXPORT_SYMBOL_GPL(kvm_mips_dump_guest_tlbs); static int kvm_mips_map_page(struct kvm *kvm, gfn_t gfn) { int srcu_idx, err = 0; - pfn_t pfn; + kvm_pfn_t pfn; if (kvm->arch.guest_pmap[gfn] != KVM_INVALID_PAGE) return 0; @@ -262,7 +262,7 @@ int kvm_mips_handle_kseg0_tlb_fault(unsigned long badvaddr, struct kvm_vcpu *vcpu) { gfn_t gfn; - pfn_t pfn0, pfn1; + kvm_pfn_t pfn0, pfn1; unsigned long vaddr = 0; unsigned long entryhi = 0, entrylo0 = 0, entrylo1 = 0; int even; @@ -313,7 +313,7 @@ EXPORT_SYMBOL_GPL(kvm_mips_handle_kseg0_tlb_fault); int kvm_mips_handle_commpage_tlb_fault(unsigned long badvaddr, struct kvm_vcpu *vcpu) { - pfn_t pfn0, pfn1; + kvm_pfn_t pfn0, pfn1; unsigned long flags, old_entryhi = 0, vaddr = 0; unsigned long entrylo0 = 0, entrylo1 = 0; @@ -360,7 +360,7 @@ int kvm_mips_handle_mapped_seg_tlb_fault(struct kvm_vcpu *vcpu, { unsigned long entryhi = 0, entrylo0 = 0, entrylo1 = 0; struct kvm *kvm = vcpu->kvm; - pfn_t pfn0, pfn1; + kvm_pfn_t pfn0, pfn1; if ((tlb->tlb_hi & VPN2_MASK) == 0) { pfn0 = 0; diff --git a/arch/mips/lasat/picvue_proc.c b/arch/mips/lasat/picvue_proc.c index 2bcd8391bc93..b42095880667 100644 --- a/arch/mips/lasat/picvue_proc.c +++ b/arch/mips/lasat/picvue_proc.c @@ -22,7 +22,6 @@ static DEFINE_MUTEX(pvc_mutex); static char pvc_lines[PVC_NLINES][PVC_LINELEN+1]; static int pvc_linedata[PVC_NLINES]; -static struct proc_dir_entry *pvc_display_dir; static char *pvc_linename[PVC_NLINES] = {"line1", "line2"}; #define DISPLAY_DIR_NAME "display" static int scroll_dir, scroll_interval; @@ -169,22 +168,17 @@ void pvc_proc_timerfunc(unsigned long data) static void pvc_proc_cleanup(void) { - int i; - for (i = 0; i < PVC_NLINES; i++) - remove_proc_entry(pvc_linename[i], pvc_display_dir); - remove_proc_entry("scroll", pvc_display_dir); - remove_proc_entry(DISPLAY_DIR_NAME, NULL); - + remove_proc_subtree(DISPLAY_DIR_NAME, NULL); del_timer_sync(&timer); } static int __init pvc_proc_init(void) { - struct proc_dir_entry *proc_entry; + struct proc_dir_entry *dir, *proc_entry; int i; - pvc_display_dir = proc_mkdir(DISPLAY_DIR_NAME, NULL); - if (pvc_display_dir == NULL) + dir = proc_mkdir(DISPLAY_DIR_NAME, NULL); + if (dir == NULL) goto error; for (i = 0; i < PVC_NLINES; i++) { @@ -192,12 +186,12 @@ static int __init pvc_proc_init(void) pvc_linedata[i] = i; } for (i = 0; i < PVC_NLINES; i++) { - proc_entry = proc_create_data(pvc_linename[i], 0644, pvc_display_dir, + proc_entry = proc_create_data(pvc_linename[i], 0644, dir, &pvc_line_proc_fops, &pvc_linedata[i]); if (proc_entry == NULL) goto error; } - proc_entry = proc_create("scroll", 0644, pvc_display_dir, + proc_entry = proc_create("scroll", 0644, dir, &pvc_scroll_proc_fops); if (proc_entry == NULL) goto error; diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 5d3a25e1cfae..caac3d747a90 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -587,7 +587,8 @@ static inline void local_r4k_flush_cache_page(void *args) * another ASID than the current one. */ map_coherent = (cpu_has_dc_aliases && - page_mapped(page) && !Page_dcache_dirty(page)); + page_mapcount(page) && + !Page_dcache_dirty(page)); if (map_coherent) vaddr = kmap_coherent(page, addr); else diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c index aab218c36e0d..3f159caf6dbc 100644 --- a/arch/mips/mm/cache.c +++ b/arch/mips/mm/cache.c @@ -106,7 +106,7 @@ void __flush_anon_page(struct page *page, unsigned long vmaddr) unsigned long addr = (unsigned long) page_address(page); if (pages_do_alias(addr, vmaddr)) { - if (page_mapped(page) && !Page_dcache_dirty(page)) { + if (page_mapcount(page) && !Page_dcache_dirty(page)) { void *kaddr; kaddr = kmap_coherent(page, vmaddr); diff --git a/arch/mips/mm/gup.c b/arch/mips/mm/gup.c index 349995d19c7f..1afd87c999b0 100644 --- a/arch/mips/mm/gup.c +++ b/arch/mips/mm/gup.c @@ -87,8 +87,6 @@ static int gup_huge_pmd(pmd_t pmd, unsigned long addr, unsigned long end, do { VM_BUG_ON(compound_head(page) != head); pages[*nr] = page; - if (PageTail(page)) - get_huge_page_tail(page); (*nr)++; page++; refs++; @@ -109,18 +107,7 @@ static int gup_pmd_range(pud_t pud, unsigned long addr, unsigned long end, pmd_t pmd = *pmdp; next = pmd_addr_end(addr, end); - /* - * The pmd_trans_splitting() check below explains why - * pmdp_splitting_flush has to flush the tlb, to stop - * this gup-fast code from running while we set the - * splitting bit in the pmd. Returning zero will take - * the slow path that will call wait_split_huge_page() - * if the pmd is still in splitting state. gup-fast - * can't because it has irq disabled and - * wait_split_huge_page() would never return as the - * tlb flush IPI wouldn't run. - */ - if (pmd_none(pmd) || pmd_trans_splitting(pmd)) + if (pmd_none(pmd)) return 0; if (unlikely(pmd_huge(pmd))) { if (!gup_huge_pmd(pmd, addr, next, write, pages,nr)) @@ -153,8 +140,6 @@ static int gup_huge_pud(pud_t pud, unsigned long addr, unsigned long end, do { VM_BUG_ON(compound_head(page) != head); pages[*nr] = page; - if (PageTail(page)) - get_huge_page_tail(page); (*nr)++; page++; refs++; diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 8770e619185e..7e5fa0938c21 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -165,7 +165,7 @@ void copy_user_highpage(struct page *to, struct page *from, vto = kmap_atomic(to); if (cpu_has_dc_aliases && - page_mapped(from) && !Page_dcache_dirty(from)) { + page_mapcount(from) && !Page_dcache_dirty(from)) { vfrom = kmap_coherent(from, vaddr); copy_page(vto, vfrom); kunmap_coherent(); @@ -187,7 +187,7 @@ void copy_to_user_page(struct vm_area_struct *vma, unsigned long len) { if (cpu_has_dc_aliases && - page_mapped(page) && !Page_dcache_dirty(page)) { + page_mapcount(page) && !Page_dcache_dirty(page)) { void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK); memcpy(vto, src, len); kunmap_coherent(); @@ -205,7 +205,7 @@ void copy_from_user_page(struct vm_area_struct *vma, unsigned long len) { if (cpu_has_dc_aliases && - page_mapped(page) && !Page_dcache_dirty(page)) { + page_mapcount(page) && !Page_dcache_dirty(page)) { void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK); memcpy(dst, vfrom, len); kunmap_coherent(); diff --git a/arch/mips/mm/pgtable-64.c b/arch/mips/mm/pgtable-64.c index e8adc0069d66..ce4473e7c0d2 100644 --- a/arch/mips/mm/pgtable-64.c +++ b/arch/mips/mm/pgtable-64.c @@ -62,20 +62,6 @@ void pmd_init(unsigned long addr, unsigned long pagetable) } #endif -#ifdef CONFIG_TRANSPARENT_HUGEPAGE - -void pmdp_splitting_flush(struct vm_area_struct *vma, - unsigned long address, - pmd_t *pmdp) -{ - if (!pmd_trans_splitting(*pmdp)) { - pmd_t pmd = pmd_mksplitting(*pmdp); - set_pmd_at(vma->vm_mm, address, pmdp, pmd); - } -} - -#endif - pmd_t mk_pmd(struct page *page, pgprot_t prot) { pmd_t pmd; diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 29f73e00253d..5a04b6f5c6fb 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -240,7 +240,6 @@ static void output_pgtable_bits_defines(void) pr_define("_PAGE_MODIFIED_SHIFT %d\n", _PAGE_MODIFIED_SHIFT); #ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT pr_define("_PAGE_HUGE_SHIFT %d\n", _PAGE_HUGE_SHIFT); - pr_define("_PAGE_SPLITTING_SHIFT %d\n", _PAGE_SPLITTING_SHIFT); #endif #if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) if (cpu_has_rixi) { diff --git a/arch/mips/net/bpf_jit.c b/arch/mips/net/bpf_jit.c index 77cb27309db2..1a8c96035716 100644 --- a/arch/mips/net/bpf_jit.c +++ b/arch/mips/net/bpf_jit.c @@ -521,19 +521,6 @@ static inline u16 align_sp(unsigned int num) return num; } -static bool is_load_to_a(u16 inst) -{ - switch (inst) { - case BPF_LD | BPF_W | BPF_LEN: - case BPF_LD | BPF_W | BPF_ABS: - case BPF_LD | BPF_H | BPF_ABS: - case BPF_LD | BPF_B | BPF_ABS: - return true; - default: - return false; - } -} - static void save_bpf_jit_regs(struct jit_ctx *ctx, unsigned offset) { int i = 0, real_off = 0; @@ -614,7 +601,6 @@ static unsigned int get_stack_depth(struct jit_ctx *ctx) static void build_prologue(struct jit_ctx *ctx) { - u16 first_inst = ctx->skf->insns[0].code; int sp_off; /* Calculate the total offset for the stack pointer */ @@ -641,7 +627,7 @@ static void build_prologue(struct jit_ctx *ctx) emit_jit_reg_move(r_X, r_zero, ctx); /* Do not leak kernel data to userspace */ - if ((first_inst != (BPF_RET | BPF_K)) && !(is_load_to_a(first_inst))) + if (bpf_needs_clear_a(&ctx->skf->insns[0])) emit_jit_reg_move(r_A, r_zero, ctx); } diff --git a/arch/mips/pnx833x/common/platform.c b/arch/mips/pnx833x/common/platform.c index b4b774bc3178..3cd357737a26 100644 --- a/arch/mips/pnx833x/common/platform.c +++ b/arch/mips/pnx833x/common/platform.c @@ -180,7 +180,7 @@ static struct platform_device pnx833x_sata_device = { static void pnx833x_flash_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) { - struct nand_chip *this = mtd->priv; + struct nand_chip *this = mtd_to_nand(mtd); unsigned long nandaddr = (unsigned long)this->IO_ADDR_W; if (cmd == NAND_CMD_NONE) diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c index 9bd7a2de0765..0966adccf520 100644 --- a/arch/mips/rb532/devices.c +++ b/arch/mips/rb532/devices.c @@ -148,7 +148,7 @@ static int rb532_dev_ready(struct mtd_info *mtd) static void rb532_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) { - struct nand_chip *chip = mtd->priv; + struct nand_chip *chip = mtd_to_nand(mtd); unsigned char orbits, nandbits; if (ctrl & NAND_CTRL_CHANGE) { |