diff options
Diffstat (limited to 'arch/nios2')
| -rw-r--r-- | arch/nios2/include/asm/pgtable.h | 24 | ||||
| -rw-r--r-- | arch/nios2/kernel/module.c | 1 | ||||
| -rw-r--r-- | arch/nios2/kernel/nios2_ksyms.c | 2 | ||||
| -rw-r--r-- | arch/nios2/kernel/traps.c | 17 | ||||
| -rw-r--r-- | arch/nios2/mm/fault.c | 14 | ||||
| -rw-r--r-- | arch/nios2/mm/init.c | 5 | ||||
| -rw-r--r-- | arch/nios2/mm/pgtable.c | 1 | ||||
| -rw-r--r-- | arch/nios2/mm/tlb.c | 1 |
8 files changed, 23 insertions, 42 deletions
diff --git a/arch/nios2/include/asm/pgtable.h b/arch/nios2/include/asm/pgtable.h index 47a1a3ea5734..2600d76c310c 100644 --- a/arch/nios2/include/asm/pgtable.h +++ b/arch/nios2/include/asm/pgtable.h @@ -102,10 +102,6 @@ static inline void set_pmd(pmd_t *pmdptr, pmd_t pmdval) *pmdptr = pmdval; } -/* to find an entry in a page-table-directory */ -#define pgd_index(addr) (((addr) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1)) -#define pgd_offset(mm, addr) ((mm)->pgd + pgd_index(addr)) - static inline int pte_write(pte_t pte) \ { return pte_val(pte) & _PAGE_WRITE; } static inline int pte_dirty(pte_t pte) \ @@ -236,27 +232,17 @@ static inline void pte_clear(struct mm_struct *mm, */ #define mk_pte(page, prot) (pfn_pte(page_to_pfn(page), prot)) -#define pte_unmap(pte) do { } while (0) - /* * 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) 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) - -#define pte_offset_map(dir, addr) \ - ((pte_t *) page_address(pmd_page(*dir)) + \ - (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))) - -/* to find an entry in a kernel page-table-directory */ -#define pgd_offset_k(addr) pgd_offset(&init_mm, addr) -/* Get the address to the PTE for a vaddr in specific directory */ -#define pte_offset_kernel(dir, addr) \ - ((pte_t *) pmd_page_vaddr(*(dir)) + \ - (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))) +static inline unsigned long pmd_page_vaddr(pmd_t pmd) +{ + return pmd_val(pmd); +} #define pte_ERROR(e) \ pr_err("%s:%d: bad pte %08lx.\n", \ @@ -285,8 +271,6 @@ static inline void pte_clear(struct mm_struct *mm, #define kern_addr_valid(addr) (1) -#include <asm-generic/pgtable.h> - extern void __init paging_init(void); extern void __init mmu_init(void); diff --git a/arch/nios2/kernel/module.c b/arch/nios2/kernel/module.c index e2e3f13f98d5..76e0a42d6e36 100644 --- a/arch/nios2/kernel/module.c +++ b/arch/nios2/kernel/module.c @@ -19,7 +19,6 @@ #include <linux/string.h> #include <linux/kernel.h> -#include <asm/pgtable.h> #include <asm/cacheflush.h> /* diff --git a/arch/nios2/kernel/nios2_ksyms.c b/arch/nios2/kernel/nios2_ksyms.c index 4e704046a150..54f7b23df1bf 100644 --- a/arch/nios2/kernel/nios2_ksyms.c +++ b/arch/nios2/kernel/nios2_ksyms.c @@ -8,9 +8,9 @@ #include <linux/export.h> #include <linux/string.h> +#include <linux/pgtable.h> #include <asm/cacheflush.h> -#include <asm/pgtable.h> /* string functions */ diff --git a/arch/nios2/kernel/traps.c b/arch/nios2/kernel/traps.c index 486db793923c..b172da4eb1a9 100644 --- a/arch/nios2/kernel/traps.c +++ b/arch/nios2/kernel/traps.c @@ -52,12 +52,13 @@ void _exception(int signo, struct pt_regs *regs, int code, unsigned long addr) } /* - * The show_stack is an external API which we do not use ourselves. + * The show_stack() is external API which we do not use ourselves. */ int kstack_depth_to_print = 48; -void show_stack(struct task_struct *task, unsigned long *stack) +void show_stack(struct task_struct *task, unsigned long *stack, + const char *loglvl) { unsigned long *endstack, addr; int i; @@ -72,16 +73,16 @@ void show_stack(struct task_struct *task, unsigned long *stack) addr = (unsigned long) stack; endstack = (unsigned long *) PAGE_ALIGN(addr); - pr_emerg("Stack from %08lx:", (unsigned long)stack); + printk("%sStack from %08lx:", loglvl, (unsigned long)stack); for (i = 0; i < kstack_depth_to_print; i++) { if (stack + 1 > endstack) break; if (i % 8 == 0) - pr_emerg("\n "); - pr_emerg(" %08lx", *stack++); + printk("%s\n ", loglvl); + printk("%s %08lx", loglvl, *stack++); } - pr_emerg("\nCall Trace:"); + printk("%s\nCall Trace:", loglvl); i = 0; while (stack + 1 <= endstack) { addr = *stack++; @@ -97,11 +98,11 @@ void show_stack(struct task_struct *task, unsigned long *stack) (addr <= (unsigned long) _etext))) { if (i % 4 == 0) pr_emerg("\n "); - pr_emerg(" [<%08lx>]", addr); + printk("%s [<%08lx>]", loglvl, addr); i++; } } - pr_emerg("\n"); + printk("%s\n", loglvl); } void __init trap_init(void) diff --git a/arch/nios2/mm/fault.c b/arch/nios2/mm/fault.c index 964eac1a21d0..4112ef0e247e 100644 --- a/arch/nios2/mm/fault.c +++ b/arch/nios2/mm/fault.c @@ -83,11 +83,11 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long cause, if (user_mode(regs)) flags |= FAULT_FLAG_USER; - if (!down_read_trylock(&mm->mmap_sem)) { + if (!mmap_read_trylock(mm)) { if (!user_mode(regs) && !search_exception_tables(regs->ea)) goto bad_area_nosemaphore; retry: - down_read(&mm->mmap_sem); + mmap_read_lock(mm); } vma = find_vma(mm, address); @@ -160,7 +160,7 @@ 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. */ @@ -169,7 +169,7 @@ good_area: } } - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); return; /* @@ -177,7 +177,7 @@ 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 */ @@ -215,14 +215,14 @@ no_context: * us unable to handle the page fault gracefully. */ out_of_memory: - 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/nios2/mm/init.c b/arch/nios2/mm/init.c index 9afca77d10b1..61862dbb0e32 100644 --- a/arch/nios2/mm/init.c +++ b/arch/nios2/mm/init.c @@ -29,7 +29,6 @@ #include <asm/setup.h> #include <asm/page.h> -#include <asm/pgtable.h> #include <asm/sections.h> #include <asm/tlb.h> #include <asm/mmu_context.h> @@ -110,14 +109,14 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) struct mm_struct *mm = current->mm; int ret; - down_write(&mm->mmap_sem); + mmap_write_lock(mm); /* Map kuser helpers to user space address */ ret = install_special_mapping(mm, KUSER_BASE, KUSER_SIZE, VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC, kuser_page); - up_write(&mm->mmap_sem); + mmap_write_unlock(mm); return ret; } diff --git a/arch/nios2/mm/pgtable.c b/arch/nios2/mm/pgtable.c index 61e24a25f71a..9b587fd592dd 100644 --- a/arch/nios2/mm/pgtable.c +++ b/arch/nios2/mm/pgtable.c @@ -10,7 +10,6 @@ #include <linux/mm.h> #include <linux/sched.h> -#include <asm/pgtable.h> #include <asm/cpuinfo.h> /* pteaddr: diff --git a/arch/nios2/mm/tlb.c b/arch/nios2/mm/tlb.c index 7fea59e53f94..f90ac35f05f3 100644 --- a/arch/nios2/mm/tlb.c +++ b/arch/nios2/mm/tlb.c @@ -16,7 +16,6 @@ #include <asm/tlb.h> #include <asm/mmu_context.h> -#include <asm/pgtable.h> #include <asm/cpuinfo.h> #define TLB_INDEX_MASK \ |