diff options
Diffstat (limited to 'arch/sparc64/mm/fault.c')
| -rw-r--r-- | arch/sparc64/mm/fault.c | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c index b582024d219..9f7740eee8d 100644 --- a/arch/sparc64/mm/fault.c +++ b/arch/sparc64/mm/fault.c @@ -112,15 +112,12 @@ static void __kprobes unhandled_fault(unsigned long address, static void bad_kernel_pc(struct pt_regs *regs, unsigned long vaddr) { - unsigned long *ksp; - printk(KERN_CRIT "OOPS: Bogus kernel PC [%016lx] in fault handler\n", regs->tpc); printk(KERN_CRIT "OOPS: RPC [%016lx]\n", regs->u_regs[15]); print_symbol("RPC: <%s>\n", regs->u_regs[15]); printk(KERN_CRIT "OOPS: Fault was to vaddr[%lx]\n", vaddr); - __asm__("mov %%sp, %0" : "=r" (ksp)); - show_stack(current, ksp); + dump_stack(); unhandled_fault(regs->tpc, current, regs); } @@ -278,7 +275,7 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs) struct mm_struct *mm = current->mm; struct vm_area_struct *vma; unsigned int insn = 0; - int si_code, fault_code; + int si_code, fault_code, fault; unsigned long address, mm_rss; fault_code = get_thread_fault_code(); @@ -415,20 +412,18 @@ good_area: goto bad_area; } - switch (handle_mm_fault(mm, vma, address, (fault_code & FAULT_CODE_WRITE))) { - case VM_FAULT_MINOR: - current->min_flt++; - break; - case VM_FAULT_MAJOR: - current->maj_flt++; - break; - case VM_FAULT_SIGBUS: - goto do_sigbus; - case VM_FAULT_OOM: - goto out_of_memory; - default: + fault = handle_mm_fault(mm, vma, address, (fault_code & FAULT_CODE_WRITE)); + if (unlikely(fault & VM_FAULT_ERROR)) { + if (fault & VM_FAULT_OOM) + goto out_of_memory; + else if (fault & VM_FAULT_SIGBUS) + goto do_sigbus; BUG(); } + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; up_read(&mm->mmap_sem); |