diff options
Diffstat (limited to 'arch/sh/mm')
-rw-r--r-- | arch/sh/mm/tlbflush_64.c | 74 |
1 files changed, 5 insertions, 69 deletions
diff --git a/arch/sh/mm/tlbflush_64.c b/arch/sh/mm/tlbflush_64.c index 70b3c271aa9f..605dc65dc66d 100644 --- a/arch/sh/mm/tlbflush_64.c +++ b/arch/sh/mm/tlbflush_64.c @@ -28,33 +28,6 @@ #include <asm/pgalloc.h> #include <asm/mmu_context.h> -extern void die(const char *,struct pt_regs *,long); - -#define PFLAG(val,flag) (( (val) & (flag) ) ? #flag : "" ) -#define PPROT(flag) PFLAG(pgprot_val(prot),flag) - -static inline void print_prots(pgprot_t prot) -{ - printk("prot is 0x%016llx\n",pgprot_val(prot)); - - printk("%s %s %s %s %s\n",PPROT(_PAGE_SHARED),PPROT(_PAGE_READ), - PPROT(_PAGE_EXECUTE),PPROT(_PAGE_WRITE),PPROT(_PAGE_USER)); -} - -static inline void print_vma(struct vm_area_struct *vma) -{ - printk("vma start 0x%08lx\n", vma->vm_start); - printk("vma end 0x%08lx\n", vma->vm_end); - - print_prots(vma->vm_page_prot); - printk("vm_flags 0x%08lx\n", vma->vm_flags); -} - -static inline void print_task(struct task_struct *tsk) -{ - printk("Task pid %d\n", task_pid_nr(tsk)); -} - static pte_t *lookup_pte(struct mm_struct *mm, unsigned long address) { pgd_t *dir; @@ -131,43 +104,15 @@ retry: down_read(&mm->mmap_sem); vma = find_vma(mm, address); - - if (!vma) { -#ifdef DEBUG_FAULT - print_task(tsk); - printk("%s:%d fault, address is 0x%08x PC %016Lx textaccess %d writeaccess %d\n", - __func__, __LINE__, - address,regs->pc,textaccess,writeaccess); - show_regs(regs); -#endif + if (!vma) goto bad_area; - } - if (vma->vm_start <= address) { + if (vma->vm_start <= address) goto good_area; - } - - if (!(vma->vm_flags & VM_GROWSDOWN)) { -#ifdef DEBUG_FAULT - print_task(tsk); - printk("%s:%d fault, address is 0x%08x PC %016Lx textaccess %d writeaccess %d\n", - __func__, __LINE__, - address,regs->pc,textaccess,writeaccess); - show_regs(regs); - - print_vma(vma); -#endif + if (!(vma->vm_flags & VM_GROWSDOWN)) goto bad_area; - } - if (expand_stack(vma, address)) { -#ifdef DEBUG_FAULT - print_task(tsk); - printk("%s:%d fault, address is 0x%08x PC %016Lx textaccess %d writeaccess %d\n", - __func__, __LINE__, - address,regs->pc,textaccess,writeaccess); - show_regs(regs); -#endif + if (expand_stack(vma, address)) goto bad_area; - } + /* * Ok, we have a good vm_area for this memory access, so * we can handle it.. @@ -251,9 +196,6 @@ no_pte: * Fix it, but check if it's kernel or user first.. */ bad_area: -#ifdef DEBUG_FAULT - printk("fault:bad area\n"); -#endif up_read(&mm->mmap_sem); if (user_mode(regs)) { @@ -266,9 +208,6 @@ bad_area: printk("user mode bad_area address=%08lx pid=%d (%s) pc=%08lx\n", address, task_pid_nr(current), current->comm, (unsigned long) regs->pc); -#if 0 - show_regs(regs); -#endif } if (is_global_init(tsk)) { panic("INIT had user mode bad_area\n"); @@ -283,9 +222,6 @@ bad_area: } no_context: -#ifdef DEBUG_FAULT - printk("fault:No context\n"); -#endif /* Are we prepared to handle this kernel fault? */ fixup = search_exception_tables(regs->pc); if (fixup) { |