diff options
Diffstat (limited to 'arch/mips')
47 files changed, 72 insertions, 217 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 1ad50c01c970..26c63e8161f0 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -184,7 +184,7 @@ config AR7 select SYS_SUPPORTS_ZBOOT_UART16550 select GPIOLIB select VLYNQ - select HAVE_CLK + select HAVE_LEGACY_CLK help Support for the Texas Instruments AR7 System-on-a-Chip family: TNETD7100, 7200 and 7300. @@ -212,9 +212,7 @@ config ATH79 select DMA_NONCOHERENT select GPIOLIB select PINCTRL - select HAVE_CLK select COMMON_CLK - select CLKDEV_LOOKUP select IRQ_MIPS_CPU select SYS_HAS_CPU_MIPS32_R2 select SYS_HAS_EARLY_PRINTK @@ -301,9 +299,9 @@ config BCM63XX select SYS_HAS_EARLY_PRINTK select SWAP_IO_SPACE select GPIOLIB - select HAVE_CLK select MIPS_L1_CACHE_SHIFT_4 select CLKDEV_LOOKUP + select HAVE_LEGACY_CLK help Support for BCM63XX based boards @@ -424,6 +422,7 @@ config LANTIQ select SWAP_IO_SPACE select BOOT_RAW select CLKDEV_LOOKUP + select HAVE_LEGACY_CLK select USE_OF select PINCTRL select PINCTRL_LANTIQ diff --git a/arch/mips/fw/arc/memory.c b/arch/mips/fw/arc/memory.c index 89fa6e62a3b3..da0712ad85f5 100644 --- a/arch/mips/fw/arc/memory.c +++ b/arch/mips/fw/arc/memory.c @@ -22,7 +22,6 @@ #include <asm/sgialib.h> #include <asm/page.h> -#include <asm/pgtable.h> #include <asm/bootinfo.h> #undef DEBUG diff --git a/arch/mips/include/asm/fixmap.h b/arch/mips/include/asm/fixmap.h index 1784d4348c36..743535be7528 100644 --- a/arch/mips/include/asm/fixmap.h +++ b/arch/mips/include/asm/fixmap.h @@ -69,9 +69,6 @@ enum fixed_addresses { #include <asm-generic/fixmap.h> -#define kmap_get_fixmap_pte(vaddr) \ - pte_offset_kernel(pmd_offset(pud_offset(p4d_offset(pgd_offset_k(vaddr), (vaddr)), (vaddr)), (vaddr)), (vaddr)) - /* * Called from pgtable_init() */ diff --git a/arch/mips/include/asm/highmem.h b/arch/mips/include/asm/highmem.h index 9d84aafc33d0..f1f788b57166 100644 --- a/arch/mips/include/asm/highmem.h +++ b/arch/mips/include/asm/highmem.h @@ -46,21 +46,14 @@ extern pte_t *pkmap_page_table; #define PKMAP_NR(virt) ((virt-PKMAP_BASE) >> PAGE_SHIFT) #define PKMAP_ADDR(nr) (PKMAP_BASE + ((nr) << PAGE_SHIFT)) -extern void * kmap_high(struct page *page); -extern void kunmap_high(struct page *page); - -extern void *kmap(struct page *page); -extern void kunmap(struct page *page); -extern void *kmap_atomic(struct page *page); -extern void __kunmap_atomic(void *kvaddr); +#define ARCH_HAS_KMAP_FLUSH_TLB +extern void kmap_flush_tlb(unsigned long addr); extern void *kmap_atomic_pfn(unsigned long pfn); #define flush_cache_kmaps() BUG_ON(cpu_has_dc_aliases) extern void kmap_init(void); -#define kmap_prot PAGE_KERNEL - #endif /* __KERNEL__ */ #endif /* _ASM_HIGHMEM_H */ diff --git a/arch/mips/include/asm/mach-generic/floppy.h b/arch/mips/include/asm/mach-generic/floppy.h index e3f446d54827..e0c9cd41f9b9 100644 --- a/arch/mips/include/asm/mach-generic/floppy.h +++ b/arch/mips/include/asm/mach-generic/floppy.h @@ -21,7 +21,6 @@ #include <asm/floppy.h> #include <asm/io.h> #include <asm/irq.h> -#include <asm/pgtable.h> /* * How to access the FDC's registers. diff --git a/arch/mips/include/asm/mach-jazz/floppy.h b/arch/mips/include/asm/mach-jazz/floppy.h index 095000c290e5..294ebb834632 100644 --- a/arch/mips/include/asm/mach-jazz/floppy.h +++ b/arch/mips/include/asm/mach-jazz/floppy.h @@ -15,7 +15,6 @@ #include <asm/addrspace.h> #include <asm/jazz.h> #include <asm/jazzdma.h> -#include <asm/pgtable.h> static inline unsigned char fd_inb(unsigned int base, unsigned int reg) { diff --git a/arch/mips/include/asm/pgtable-32.h b/arch/mips/include/asm/pgtable-32.h index 1945c8970141..a950fc1ddb4d 100644 --- a/arch/mips/include/asm/pgtable-32.h +++ b/arch/mips/include/asm/pgtable-32.h @@ -195,28 +195,6 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot) #define pte_page(x) pfn_to_page(pte_pfn(x)) -/* to find an entry in a kernel page-table-directory */ -#define pgd_offset_k(address) pgd_offset(&init_mm, address) - -#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) -#define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1)) -#define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1)) - -/* to find an entry in a page-table-directory */ -#define pgd_offset(mm, addr) ((mm)->pgd + pgd_index(addr)) - -/* Find an entry in the third-level page table.. */ -#define __pte_offset(address) \ - (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) -#define pte_offset(dir, address) \ - ((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address)) -#define pte_offset_kernel(dir, address) \ - ((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address)) - -#define pte_offset_map(dir, address) \ - ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address)) -#define pte_unmap(pte) ((void)(pte)) - #if defined(CONFIG_CPU_R3K_TLB) /* Swap entries must have VALID bit cleared. */ diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h index ee5dc0c145b9..1e7d6ce9d8d6 100644 --- a/arch/mips/include/asm/pgtable-64.h +++ b/arch/mips/include/asm/pgtable-64.h @@ -172,8 +172,6 @@ extern pte_t invalid_pte_table[PTRS_PER_PTE]; -#define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD - 1)) - #ifndef __PAGETABLE_PUD_FOLDED /* * For 4-level pagetables we defines these ourselves, for 3-level the @@ -222,11 +220,6 @@ static inline unsigned long p4d_page_vaddr(p4d_t p4d) #define p4d_index(address) (((address) >> P4D_SHIFT) & (PTRS_PER_P4D - 1)) -static inline pud_t *pud_offset(p4d_t *p4d, unsigned long address) -{ - return (pud_t *)p4d_page_vaddr(*p4d) + pud_index(address); -} - static inline void set_p4d(p4d_t *p4d, p4d_t p4dval) { *p4d = p4dval; @@ -320,15 +313,6 @@ static inline void pud_clear(pud_t *pudp) #define pfn_pmd(pfn, prot) __pmd(((pfn) << _PFN_SHIFT) | pgprot_val(prot)) #endif -/* to find an entry in a kernel page-table-directory */ -#define pgd_offset_k(address) pgd_offset(&init_mm, address) - -#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) -#define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1)) - -/* to find an entry in a page-table-directory */ -#define pgd_offset(mm, addr) ((mm)->pgd + pgd_index(addr)) - #ifndef __PAGETABLE_PMD_FOLDED static inline unsigned long pud_page_vaddr(pud_t pud) { @@ -337,24 +321,8 @@ static inline unsigned long pud_page_vaddr(pud_t pud) #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.. */ -static inline pmd_t *pmd_offset(pud_t * pud, unsigned long address) -{ - return (pmd_t *) pud_page_vaddr(*pud) + pmd_index(address); -} #endif -/* Find an entry in the third-level page table.. */ -#define __pte_offset(address) \ - (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) -#define pte_offset(dir, address) \ - ((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address)) -#define pte_offset_kernel(dir, address) \ - ((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address)) -#define pte_offset_map(dir, address) \ - ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address)) -#define pte_unmap(pte) ((void)(pte)) - /* * Initialize a new pgd / pmd table with invalid pointers. */ diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index 32760b41aa31..dd7a0f552cac 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -736,8 +736,6 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, #define gup_fast_permitted(start, end) (!cpu_has_dc_aliases) -#include <asm-generic/pgtable.h> - /* * We provide our own get_unmapped area to cope with the virtual aliasing * constraints placed on us by the cache architecture. diff --git a/arch/mips/jazz/irq.c b/arch/mips/jazz/irq.c index 04b9c4068493..495ba7cc56ec 100644 --- a/arch/mips/jazz/irq.c +++ b/arch/mips/jazz/irq.c @@ -14,12 +14,12 @@ #include <linux/smp.h> #include <linux/spinlock.h> #include <linux/irq.h> +#include <linux/pgtable.h> #include <asm/irq_cpu.h> #include <asm/i8259.h> #include <asm/io.h> #include <asm/jazz.h> -#include <asm/pgtable.h> #include <asm/tlbmisc.h> static DEFINE_RAW_SPINLOCK(r4030_lock); diff --git a/arch/mips/jazz/jazzdma.c b/arch/mips/jazz/jazzdma.c index c64a297e82b3..014773f0bfcd 100644 --- a/arch/mips/jazz/jazzdma.c +++ b/arch/mips/jazz/jazzdma.c @@ -24,7 +24,6 @@ #include <linux/uaccess.h> #include <asm/dma.h> #include <asm/jazzdma.h> -#include <asm/pgtable.h> /* * Set this to one to enable additional vdma debug code. diff --git a/arch/mips/jazz/setup.c b/arch/mips/jazz/setup.c index 1b5e121c3f0d..04aab419a0fc 100644 --- a/arch/mips/jazz/setup.c +++ b/arch/mips/jazz/setup.c @@ -17,11 +17,11 @@ #include <linux/platform_device.h> #include <linux/serial_8250.h> #include <linux/dma-mapping.h> +#include <linux/pgtable.h> #include <asm/jazz.h> #include <asm/jazzdma.h> #include <asm/reboot.h> -#include <asm/pgtable.h> #include <asm/tlbmisc.h> extern asmlinkage void jazz_handle_int(void); diff --git a/arch/mips/kernel/module.c b/arch/mips/kernel/module.c index 8713b69c5048..3c0c3d1260c1 100644 --- a/arch/mips/kernel/module.c +++ b/arch/mips/kernel/module.c @@ -21,7 +21,6 @@ #include <linux/spinlock.h> #include <linux/jump_label.h> -#include <asm/pgtable.h> /* MODULE_START */ struct mips_hi16 { struct mips_hi16 *next; diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index b2a797557825..ff5320b79100 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -42,7 +42,6 @@ #include <asm/irq.h> #include <asm/mips-cps.h> #include <asm/msa.h> -#include <asm/pgtable.h> #include <asm/mipsregs.h> #include <asm/processor.h> #include <asm/reg.h> diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index 414b6e9c900b..2a61641c680b 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -39,7 +39,6 @@ #include <asm/fpu.h> #include <asm/mipsregs.h> #include <asm/mipsmtregs.h> -#include <asm/pgtable.h> #include <asm/page.h> #include <asm/processor.h> #include <asm/syscall.h> diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c index 2525eca9c962..afcf27a877cb 100644 --- a/arch/mips/kernel/ptrace32.c +++ b/arch/mips/kernel/ptrace32.c @@ -30,7 +30,6 @@ #include <asm/fpu.h> #include <asm/mipsregs.h> #include <asm/mipsmtregs.h> -#include <asm/pgtable.h> #include <asm/page.h> #include <asm/reg.h> #include <asm/syscall.h> diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c index 9058e9dcf080..2f513506a3d5 100644 --- a/arch/mips/kernel/smp-bmips.c +++ b/arch/mips/kernel/smp-bmips.c @@ -28,7 +28,6 @@ #include <linux/kexec.h> #include <asm/time.h> -#include <asm/pgtable.h> #include <asm/processor.h> #include <asm/bootinfo.h> #include <asm/cacheflush.h> diff --git a/arch/mips/kernel/sysrq.c b/arch/mips/kernel/sysrq.c index e5a2a6ab71ac..9c1a2019113b 100644 --- a/arch/mips/kernel/sysrq.c +++ b/arch/mips/kernel/sysrq.c @@ -52,7 +52,7 @@ static void sysrq_handle_tlbdump(int key) #endif } -static struct sysrq_key_op sysrq_tlbdump_op = { +static const struct sysrq_key_op sysrq_tlbdump_op = { .handler = sysrq_handle_tlbdump, .help_msg = "show-tlbs(x)", .action_msg = "Show TLB entries", diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 22f805a73921..7c32c956156a 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -57,7 +57,6 @@ #include <asm/mipsmtregs.h> #include <asm/module.h> #include <asm/msa.h> -#include <asm/pgtable.h> #include <asm/ptrace.h> #include <asm/sections.h> #include <asm/siginfo.h> @@ -108,26 +107,26 @@ void (*board_bind_eic_interrupt)(int irq, int regset); void (*board_ebase_setup)(void); void(*board_cache_error_setup)(void); -static void show_raw_backtrace(unsigned long reg29) +static void show_raw_backtrace(unsigned long reg29, const char *loglvl) { unsigned long *sp = (unsigned long *)(reg29 & ~3); unsigned long addr; - printk("Call Trace:"); + printk("%sCall Trace:", loglvl); #ifdef CONFIG_KALLSYMS - printk("\n"); + printk("%s\n", loglvl); #endif while (!kstack_end(sp)) { unsigned long __user *p = (unsigned long __user *)(unsigned long)sp++; if (__get_user(addr, p)) { - printk(" (Bad stack address)"); + printk("%s (Bad stack address)", loglvl); break; } if (__kernel_text_address(addr)) - print_ip_sym(addr); + print_ip_sym(loglvl, addr); } - printk("\n"); + printk("%s\n", loglvl); } #ifdef CONFIG_KALLSYMS @@ -140,7 +139,8 @@ static int __init set_raw_show_trace(char *str) __setup("raw_show_trace", set_raw_show_trace); #endif -static void show_backtrace(struct task_struct *task, const struct pt_regs *regs) +static void show_backtrace(struct task_struct *task, const struct pt_regs *regs, + const char *loglvl) { unsigned long sp = regs->regs[29]; unsigned long ra = regs->regs[31]; @@ -150,12 +150,12 @@ static void show_backtrace(struct task_struct *task, const struct pt_regs *regs) task = current; if (raw_show_trace || user_mode(regs) || !__kernel_text_address(pc)) { - show_raw_backtrace(sp); + show_raw_backtrace(sp, loglvl); return; } - printk("Call Trace:\n"); + printk("%sCall Trace:\n", loglvl); do { - print_ip_sym(pc); + print_ip_sym(loglvl, pc); pc = unwind_stack(task, &sp, pc, &ra); } while (pc); pr_cont("\n"); @@ -166,19 +166,19 @@ static void show_backtrace(struct task_struct *task, const struct pt_regs *regs) * with at least a bit of error checking ... */ static void show_stacktrace(struct task_struct *task, - const struct pt_regs *regs) + const struct pt_regs *regs, const char *loglvl) { const int field = 2 * sizeof(unsigned long); long stackdata; int i; unsigned long __user *sp = (unsigned long __user *)regs->regs[29]; - printk("Stack :"); + printk("%sStack :", loglvl); i = 0; while ((unsigned long) sp & (PAGE_SIZE - 1)) { if (i && ((i % (64 / field)) == 0)) { pr_cont("\n"); - printk(" "); + printk("%s ", loglvl); } if (i > 39) { pr_cont(" ..."); @@ -194,10 +194,10 @@ static void show_stacktrace(struct task_struct *task, i++; } pr_cont("\n"); - show_backtrace(task, regs); + show_backtrace(task, regs, loglvl); } -void show_stack(struct task_struct *task, unsigned long *sp) +void show_stack(struct task_struct *task, unsigned long *sp, const char *loglvl) { struct pt_regs regs; mm_segment_t old_fs = get_fs(); @@ -221,7 +221,7 @@ void show_stack(struct task_struct *task, unsigned long *sp) * the stack in the kernel (not user) address space. */ set_fs(KERNEL_DS); - show_stacktrace(task, ®s); + show_stacktrace(task, ®s, loglvl); set_fs(old_fs); } @@ -373,7 +373,7 @@ void show_registers(struct pt_regs *regs) if (!user_mode(regs)) /* Necessary for getting the correct stack content */ set_fs(KERNEL_DS); - show_stacktrace(current, regs); + show_stacktrace(current, regs, KERN_DEFAULT); show_code((unsigned int __user *) regs->cp0_epc); printk("\n"); set_fs(old_fs); @@ -793,13 +793,13 @@ int process_fpemu_return(int sig, void __user *fault_addr, unsigned long fcr31) return 1; case SIGSEGV: - down_read(¤t->mm->mmap_sem); + mmap_read_lock(current->mm); vma = find_vma(current->mm, (unsigned long)fault_addr); if (vma && (vma->vm_start <= (unsigned long)fault_addr)) si_code = SEGV_ACCERR; else si_code = SEGV_MAPERR; - up_read(¤t->mm->mmap_sem); + mmap_read_unlock(current->mm); force_sig_fault(SIGSEGV, si_code, fault_addr); return 1; diff --git a/arch/mips/kernel/vdso.c b/arch/mips/kernel/vdso.c index 3adb7354bc01..242dc5e83847 100644 --- a/arch/mips/kernel/vdso.c +++ b/arch/mips/kernel/vdso.c @@ -94,7 +94,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) struct vm_area_struct *vma; int ret; - if (down_write_killable(&mm->mmap_sem)) + if (mmap_write_lock_killable(mm)) return -EINTR; if (IS_ENABLED(CONFIG_MIPS_FP_SUPPORT)) { @@ -187,6 +187,6 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) ret = 0; out: - up_write(&mm->mmap_sem); + mmap_write_unlock(mm); return ret; } diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index f62667bb54f3..521bd5891e84 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -19,13 +19,13 @@ #include <linux/sched/signal.h> #include <linux/fs.h> #include <linux/memblock.h> +#include <linux/pgtable.h> #include <asm/fpu.h> #include <asm/page.h> #include <asm/cacheflush.h> #include <asm/mmu_context.h> #include <asm/pgalloc.h> -#include <asm/pgtable.h> #include <linux/kvm_host.h> diff --git a/arch/mips/kvm/mmu.c b/arch/mips/kvm/mmu.c index 7dad7a293eae..49bd160f4d85 100644 --- a/arch/mips/kvm/mmu.c +++ b/arch/mips/kvm/mmu.c @@ -168,7 +168,7 @@ static pte_t *kvm_mips_walk_pgd(pgd_t *pgd, struct kvm_mmu_memory_cache *cache, clear_page(new_pte); pmd_populate_kernel(NULL, pmd, new_pte); } - return pte_offset(pmd, addr); + return pte_offset_kernel(pmd, addr); } /* Caller must hold kvm->mm_lock */ @@ -187,8 +187,8 @@ static pte_t *kvm_mips_pte_for_gpa(struct kvm *kvm, static bool kvm_mips_flush_gpa_pte(pte_t *pte, unsigned long start_gpa, unsigned long end_gpa) { - int i_min = __pte_offset(start_gpa); - int i_max = __pte_offset(end_gpa); + int i_min = pte_index(start_gpa); + int i_max = pte_index(end_gpa); bool safe_to_remove = (i_min == 0 && i_max == PTRS_PER_PTE - 1); int i; @@ -215,7 +215,7 @@ static bool kvm_mips_flush_gpa_pmd(pmd_t *pmd, unsigned long start_gpa, if (!pmd_present(pmd[i])) continue; - pte = pte_offset(pmd + i, 0); + pte = pte_offset_kernel(pmd + i, 0); if (i == i_max) end = end_gpa; @@ -312,8 +312,8 @@ static int kvm_mips_##name##_pte(pte_t *pte, unsigned long start, \ unsigned long end) \ { \ int ret = 0; \ - int i_min = __pte_offset(start); \ - int i_max = __pte_offset(end); \ + int i_min = pte_index(start); \ + int i_max = pte_index(end); \ int i; \ pte_t old, new; \ \ @@ -346,7 +346,7 @@ static int kvm_mips_##name##_pmd(pmd_t *pmd, unsigned long start, \ if (!pmd_present(pmd[i])) \ continue; \ \ - pte = pte_offset(pmd + i, 0); \ + pte = pte_offset_kernel(pmd + i, 0); \ if (i == i_max) \ cur_end = end; \ \ @@ -842,8 +842,8 @@ void kvm_trap_emul_invalidate_gva(struct kvm_vcpu *vcpu, unsigned long addr, static bool kvm_mips_flush_gva_pte(pte_t *pte, unsigned long start_gva, unsigned long end_gva) { - int i_min = __pte_offset(start_gva); - int i_max = __pte_offset(end_gva); + int i_min = pte_index(start_gva); + int i_max = pte_index(end_gva); bool safe_to_remove = (i_min == 0 && i_max == PTRS_PER_PTE - 1); int i; @@ -877,7 +877,7 @@ static bool kvm_mips_flush_gva_pmd(pmd_t *pmd, unsigned long start_gva, if (!pmd_present(pmd[i])) continue; - pte = pte_offset(pmd + i, 0); + pte = pte_offset_kernel(pmd + i, 0); if (i == i_max) end = end_gva; diff --git a/arch/mips/kvm/tlb.c b/arch/mips/kvm/tlb.c index 2ecf4f05a980..1c1fbce3f566 100644 --- a/arch/mips/kvm/tlb.c +++ b/arch/mips/kvm/tlb.c @@ -22,7 +22,6 @@ #include <asm/bootinfo.h> #include <asm/mipsregs.h> #include <asm/mmu_context.h> -#include <asm/pgtable.h> #include <asm/cacheflush.h> #include <asm/tlb.h> #include <asm/tlbdebug.h> diff --git a/arch/mips/kvm/trap_emul.c b/arch/mips/kvm/trap_emul.c index f464506b1fea..34ad0b46e610 100644 --- a/arch/mips/kvm/trap_emul.c +++ b/arch/mips/kvm/trap_emul.c @@ -597,7 +597,7 @@ static void kvm_mips_emul_free_gva_pt(pgd_t *pgd) pmd_va = pud_va | (k << PMD_SHIFT); if (pmd_va >= end) break; - pte = pte_offset(pmd + k, 0); + pte = pte_offset_kernel(pmd + k, 0); pte_free_kernel(NULL, pte); } pmd_free(NULL, pmd); diff --git a/arch/mips/lib/dump_tlb.c b/arch/mips/lib/dump_tlb.c index 83ed37298e66..5a418ba5e75f 100644 --- a/arch/mips/lib/dump_tlb.c +++ b/arch/mips/lib/dump_tlb.c @@ -12,7 +12,6 @@ #include <asm/mipsregs.h> #include <asm/mmu_context.h> #include <asm/page.h> -#include <asm/pgtable.h> #include <asm/tlbdebug.h> void dump_tlb_regs(void) diff --git a/arch/mips/lib/r3k_dump_tlb.c b/arch/mips/lib/r3k_dump_tlb.c index b97d9c5d8323..10b4bf7f70a3 100644 --- a/arch/mips/lib/r3k_dump_tlb.c +++ b/arch/mips/lib/r3k_dump_tlb.c @@ -12,7 +12,6 @@ #include <asm/mipsregs.h> #include <asm/mmu_context.h> #include <asm/page.h> -#include <asm/pgtable.h> #include <asm/tlbdebug.h> extern int r3k_have_wired_reg; diff --git a/arch/mips/mm/c-octeon.c b/arch/mips/mm/c-octeon.c index 4baf965e6fe8..8ae181e08311 100644 --- a/arch/mips/mm/c-octeon.c +++ b/arch/mips/mm/c-octeon.c @@ -20,7 +20,6 @@ #include <asm/cpu-features.h> #include <asm/cpu-type.h> #include <asm/page.h> -#include <asm/pgtable.h> #include <asm/r4kcache.h> #include <asm/traps.h> #include <asm/mmu_context.h> diff --git a/arch/mips/mm/c-r3k.c b/arch/mips/mm/c-r3k.c index 780dd2a567c1..df6755ca1892 100644 --- a/arch/mips/mm/c-r3k.c +++ b/arch/mips/mm/c-r3k.c @@ -16,7 +16,6 @@ #include <linux/mm.h> #include <asm/page.h> -#include <asm/pgtable.h> #include <asm/mmu_context.h> #include <asm/isadep.h> #include <asm/io.h> @@ -240,9 +239,6 @@ static void r3k_flush_cache_page(struct vm_area_struct *vma, unsigned long kaddr = KSEG0ADDR(pfn << PAGE_SHIFT); int exec = vma->vm_flags & VM_EXEC; struct mm_struct *mm = vma->vm_mm; - pgd_t *pgdp; - p4d_t *p4dp; - pud_t *pudp; pmd_t *pmdp; pte_t *ptep; @@ -253,11 +249,8 @@ static void r3k_flush_cache_page(struct vm_area_struct *vma, if (cpu_context(smp_processor_id(), mm) == 0) return; - pgdp = pgd_offset(mm, addr); - p4dp = p4d_offset(pgdp, addr); - pudp = pud_offset(p4dp, addr); - pmdp = pmd_offset(pudp, addr); - ptep = pte_offset(pmdp, addr); + pmdp = pmd_off(mm, addr); + ptep = pte_offset_kernel(pmdp, addr); /* Invalid => no such page in the cache. */ if (!(pte_val(*ptep) & _PAGE_PRESENT)) diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 6fb83ac7c475..49569e5666d7 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -29,7 +29,6 @@ #include <asm/cpu-type.h> #include <asm/io.h> #include <asm/page.h> -#include <asm/pgtable.h> #include <asm/r4kcache.h> #include <asm/sections.h> #include <asm/mmu_context.h> @@ -653,9 +652,6 @@ static inline void local_r4k_flush_cache_page(void *args) int exec = vma->vm_flags & VM_EXEC; struct mm_struct *mm = vma->vm_mm; int map_coherent = 0; - pgd_t *pgdp; - p4d_t *p4dp; - pud_t *pudp; pmd_t *pmdp; pte_t *ptep; void *vaddr; @@ -668,11 +664,8 @@ static inline void local_r4k_flush_cache_page(void *args) return; addr &= PAGE_MASK; - pgdp = pgd_offset(mm, addr); - p4dp = p4d_offset(pgdp, addr); - pudp = pud_offset(p4dp, addr); - pmdp = pmd_offset(pudp, addr); - ptep = pte_offset(pmdp, addr); + pmdp = pmd_off(mm, addr); + ptep = pte_offset_kernel(pmdp, addr); /* * If the page isn't marked valid, the page cannot possibly be diff --git a/arch/mips/mm/c-tx39.c b/arch/mips/mm/c-tx39.c index 2d479cc7e66b..03dfbb40ec73 100644 --- a/arch/mips/mm/c-tx39.c +++ b/arch/mips/mm/c-tx39.c @@ -17,7 +17,6 @@ #include <asm/cacheops.h> #include <asm/page.h> -#include <asm/pgtable.h> #include <asm/mmu_context.h> #include <asm/isadep.h> #include <asm/io.h> @@ -169,9 +168,6 @@ static void tx39_flush_cache_page(struct vm_area_struct *vma, unsigned long page { int exec = vma->vm_flags & VM_EXEC; struct mm_struct *mm = vma->vm_mm; - pgd_t *pgdp; - p4d_t *p4dp; - pud_t *pudp; pmd_t *pmdp; pte_t *ptep; @@ -183,11 +179,8 @@ static void tx39_flush_cache_page(struct vm_area_struct *vma, unsigned long page return; page &= PAGE_MASK; - pgdp = pgd_offset(mm, page); - p4dp = p4d_offset(pgdp, page); - pudp = pud_offset(p4dp, page); - pmdp = pmd_offset(pudp, page); - ptep = pte_offset(pmdp, page); + pmdp = pmd_off(mm, page); + ptep = pte_offset_kernel(pmdp, page); /* * If the page isn't marked valid, the page cannot possibly be diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c index ad6df1cea866..3e81ba000096 100644 --- a/arch/mips/mm/cache.c +++ b/arch/mips/mm/cache.c @@ -14,9 +14,9 @@ #include <linux/sched.h> #include <linux/syscalls.h> #include <linux/mm.h> +#include <linux/highmem.h> #include <asm/cacheflush.h> -#include <asm/highmem.h> #include <asm/processor.h> #include <asm/cpu.h> #include <asm/cpu-features.h> @@ -103,7 +103,7 @@ void __flush_dcache_page(struct page *page) flush_data_cache_page(addr); if (PageHighMem(page)) - __kunmap_atomic((void *)addr); + kunmap_atomic((void *)addr); } EXPORT_SYMBOL(__flush_dcache_page); @@ -146,7 +146,7 @@ void __update_cache(unsigned long address, pte_t pte) flush_data_cache_page(addr); if (PageHighMem(page)) - __kunmap_atomic((void *)addr); + kunmap_atomic((void *)addr); ClearPageDcacheDirty(page); } diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c index f8d62cd83b36..01b168a90434 100644 --- a/arch/mips/mm/fault.c +++ b/arch/mips/mm/fault.c @@ -97,7 +97,7 @@ static void __kprobes __do_page_fault(struct pt_regs *regs, unsigned long write, if (user_mode(regs)) flags |= FAULT_FLAG_USER; retry: - down_read(&mm->mmap_sem); + mmap_read_lock(mm); vma = find_vma(mm, address); if (!vma) goto bad_area; @@ -181,7 +181,7 @@ good_area: flags |= FAULT_FLAG_TRIED; /* - * No need to up_read(&mm->mmap_sem) as we would + * No need to mmap_read_unlock(mm) as we would * have already released it in __lock_page_or_retry * in mm/filemap.c. */ @@ -190,7 +190,7 @@ good_area: } } - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); return; /* @@ -198,7 +198,7 @@ good_area: * Fix it, but check if it's kernel or user first.. */ bad_area: - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); bad_area_nosemaphore: /* User mode accesses just cause a SIGSEGV */ @@ -250,14 +250,14 @@ out_of_memory: * We ran out of memory, call the OOM killer, and return the userspace * (which will retry the fault, or kill us if we got oom-killed). */ - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); if (!user_mode(regs)) goto no_context; pagefault_out_of_memory(); return; do_sigbus: - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); /* Kernel mode? Handle exceptions or die */ if (!user_mode(regs)) diff --git a/arch/mips/mm/highmem.c b/arch/mips/mm/highmem.c index d08e6d7d533b..5fec7f45d79a 100644 --- a/arch/mips/mm/highmem.c +++ b/arch/mips/mm/highmem.c @@ -12,71 +12,37 @@ static pte_t *kmap_pte; unsigned long highstart_pfn, highend_pfn; -void *kmap(struct page *page) +void kmap_flush_tlb(unsigned long addr) { - void *addr; - - might_sleep(); - if (!PageHighMem(page)) - return page_address(page); - addr = kmap_high(page); - flush_tlb_one((unsigned long)addr); - - return addr; + flush_tlb_one(addr); } -EXPORT_SYMBOL(kmap); +EXPORT_SYMBOL(kmap_flush_tlb); -void kunmap(struct page *page) -{ - BUG_ON(in_interrupt()); - if (!PageHighMem(page)) - return; - kunmap_high(page); -} -EXPORT_SYMBOL(kunmap); - -/* - * kmap_atomic/kunmap_atomic is significantly faster than kmap/kunmap because - * no global lock is needed and because the kmap code must perform a global TLB - * invalidation when the kmap pool wraps. - * - * However when holding an atomic kmap is is not legal to sleep, so atomic - * kmaps are appropriate for short, tight code paths only. - */ - -void *kmap_atomic(struct page *page) +void *kmap_atomic_high_prot(struct page *page, pgprot_t prot) { unsigned long vaddr; int idx, type; - preempt_disable(); - pagefault_disable(); - if (!PageHighMem(page)) - return page_address(page); - type = kmap_atomic_idx_push(); idx = type + KM_TYPE_NR*smp_processor_id(); vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); #ifdef CONFIG_DEBUG_HIGHMEM BUG_ON(!pte_none(*(kmap_pte - idx))); #endif - set_pte(kmap_pte-idx, mk_pte(page, PAGE_KERNEL)); + set_pte(kmap_pte-idx, mk_pte(page, prot)); local_flush_tlb_one((unsigned long)vaddr); return (void*) vaddr; } -EXPORT_SYMBOL(kmap_atomic); +EXPORT_SYMBOL(kmap_atomic_high_prot); -void __kunmap_atomic(void *kvaddr) +void kunmap_atomic_high(void *kvaddr) { unsigned long vaddr = (unsigned long) kvaddr & PAGE_MASK; int type __maybe_unused; - if (vaddr < FIXADDR_START) { // FIXME - pagefault_enable(); - preempt_enable(); + if (vaddr < FIXADDR_START) return; - } type = kmap_atomic_idx(); #ifdef CONFIG_DEBUG_HIGHMEM @@ -94,10 +60,8 @@ void __kunmap_atomic(void *kvaddr) } #endif kmap_atomic_idx_pop(); - pagefault_enable(); - preempt_enable(); } -EXPORT_SYMBOL(__kunmap_atomic); +EXPORT_SYMBOL(kunmap_atomic_high); /* * This is the same as kmap_atomic() but can map memory that doesn't @@ -126,5 +90,5 @@ void __init kmap_init(void) /* cache the first kmap pte */ kmap_vstart = __fix_to_virt(FIX_KMAP_BEGIN); - kmap_pte = kmap_get_fixmap_pte(kmap_vstart); + kmap_pte = virt_to_kpte(kmap_vstart); } diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 7c9f0c0a6cd3..336b58173dc7 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -40,7 +40,6 @@ #include <asm/maar.h> #include <asm/mmu_context.h> #include <asm/sections.h> -#include <asm/pgtable.h> #include <asm/pgalloc.h> #include <asm/tlb.h> #include <asm/fixmap.h> diff --git a/arch/mips/mm/page.c b/arch/mips/mm/page.c index c5578897a4fa..cd805b005509 100644 --- a/arch/mips/mm/page.c +++ b/arch/mips/mm/page.c @@ -20,7 +20,6 @@ #include <asm/inst.h> #include <asm/io.h> #include <asm/page.h> -#include <asm/pgtable.h> #include <asm/prefetch.h> #include <asm/bootinfo.h> #include <asm/mipsregs.h> diff --git a/arch/mips/mm/pgtable-32.c b/arch/mips/mm/pgtable-32.c index 37c7a01427d2..bd4b0656add3 100644 --- a/arch/mips/mm/pgtable-32.c +++ b/arch/mips/mm/pgtable-32.c @@ -10,7 +10,6 @@ #include <linux/memblock.h> #include <linux/highmem.h> #include <asm/fixmap.h> -#include <asm/pgtable.h> #include <asm/pgalloc.h> #include <asm/tlbflush.h> diff --git a/arch/mips/mm/pgtable-64.c b/arch/mips/mm/pgtable-64.c index 6fd6e96fdebb..183ff9f9c026 100644 --- a/arch/mips/mm/pgtable-64.c +++ b/arch/mips/mm/pgtable-64.c @@ -10,7 +10,6 @@ #include <linux/init.h> #include <linux/mm.h> #include <asm/fixmap.h> -#include <asm/pgtable.h> #include <asm/pgalloc.h> #include <asm/tlbflush.h> diff --git a/arch/mips/mm/sc-ip22.c b/arch/mips/mm/sc-ip22.c index ea059cd86496..d7238687d790 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/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 eedad47df24f..97dc0511e63f 100644 --- a/arch/mips/mm/sc-mips.c +++ b/arch/mips/mm/sc-mips.c @@ -12,7 +12,6 @@ #include <asm/bcache.h> #include <asm/cacheops.h> #include <asm/page.h> -#include <asm/pgtable.h> #include <asm/mmu_context.h> #include <asm/r4kcache.h> #include <asm/mips-cps.h> diff --git a/arch/mips/mm/sc-r5k.c b/arch/mips/mm/sc-r5k.c index c7b94c951d98..736615d68f7a 100644 --- a/arch/mips/mm/sc-r5k.c +++ b/arch/mips/mm/sc-r5k.c @@ -12,7 +12,6 @@ #include <asm/bcache.h> #include <asm/cacheops.h> #include <asm/page.h> -#include <asm/pgtable.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 50f207591b6d..a36622ebea55 100644 --- a/arch/mips/mm/tlb-r3k.c +++ b/arch/mips/mm/tlb-r3k.c @@ -17,7 +17,6 @@ #include <linux/mm.h> #include <asm/page.h> -#include <asm/pgtable.h> #include <asm/mmu_context.h> #include <asm/tlbmisc.h> #include <asm/isadep.h> diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c index d7a9d5f211f0..6677dcb72580 100644 --- a/arch/mips/mm/tlb-r4k.c +++ b/arch/mips/mm/tlb-r4k.c @@ -21,7 +21,6 @@ #include <asm/bootinfo.h> #include <asm/hazards.h> #include <asm/mmu_context.h> -#include <asm/pgtable.h> #include <asm/tlb.h> #include <asm/tlbmisc.h> diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 38c204204529..14f8ba93367f 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -28,11 +28,11 @@ #include <linux/smp.h> #include <linux/string.h> #include <linux/cache.h> +#include <linux/pgtable.h> #include <asm/cacheflush.h> #include <asm/cpu-type.h> #include <asm/mmu_context.h> -#include <asm/pgtable.h> #include <asm/war.h> #include <asm/uasm.h> #include <asm/setup.h> diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig index 35c2ebd8f094..c10d8b233ab1 100644 --- a/arch/mips/ralink/Kconfig +++ b/arch/mips/ralink/Kconfig @@ -27,18 +27,22 @@ choice config SOC_RT288X bool "RT288x" select MIPS_L1_CACHE_SHIFT_4 + select HAVE_LEGACY_CLK select HAVE_PCI config SOC_RT305X bool "RT305x" + select HAVE_LEGACY_CLK config SOC_RT3883 bool "RT3883" + select HAVE_LEGACY_CLK select HAVE_PCI config SOC_MT7620 bool "MT7620/8" select CPU_MIPSR2_IRQ_VI + select HAVE_LEGACY_CLK select HAVE_PCI config SOC_MT7621 diff --git a/arch/mips/sgi-ip27/ip27-init.c b/arch/mips/sgi-ip27/ip27-init.c index 32bcb8d1dd88..a4daf8ccd16c 100644 --- a/arch/mips/sgi-ip27/ip27-init.c +++ b/arch/mips/sgi-ip27/ip27-init.c @@ -16,7 +16,6 @@ #include <asm/bootinfo.h> #include <asm/cpu.h> #include <asm/io.h> -#include <asm/pgtable.h> #include <asm/sgialib.h> #include <asm/time.h> #include <asm/sn/agent.h> diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c index c0e33632bc37..79c434fece52 100644 --- a/arch/mips/sgi-ip27/ip27-timer.c +++ b/arch/mips/sgi-ip27/ip27-timer.c @@ -19,7 +19,6 @@ #include <linux/platform_device.h> #include <asm/time.h> -#include <asm/pgtable.h> #include <asm/sgialib.h> #include <asm/sn/klconfig.h> #include <asm/sn/arch.h> diff --git a/arch/mips/sgi-ip32/ip32-memory.c b/arch/mips/sgi-ip32/ip32-memory.c index 828ce131c228..be1b2cfc4c3e 100644 --- a/arch/mips/sgi-ip32/ip32-memory.c +++ b/arch/mips/sgi-ip32/ip32-memory.c @@ -14,7 +14,6 @@ #include <asm/ip32/crime.h> #include <asm/bootinfo.h> #include <asm/page.h> -#include <asm/pgtable.h> #include <asm/pgalloc.h> extern void crime_init(void); |