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Diffstat (limited to 'arch/h8300/mm/fault.c')
-rw-r--r-- | arch/h8300/mm/fault.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/arch/h8300/mm/fault.c b/arch/h8300/mm/fault.c deleted file mode 100644 index b465441f490d..000000000000 --- a/arch/h8300/mm/fault.c +++ /dev/null @@ -1,57 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * linux/arch/h8300/mm/fault.c - * - * Copyright (C) 1998 D. Jeff Dionne <jeff@lineo.ca>, - * Copyright (C) 2000 Lineo, Inc. (www.lineo.com) - * - * Based on: - * - * linux/arch/m68knommu/mm/fault.c - * linux/arch/m68k/mm/fault.c - * - * Copyright (C) 1995 Hamish Macdonald - */ - -#include <linux/mman.h> -#include <linux/mm.h> -#include <linux/kernel.h> -#include <linux/ptrace.h> - - -void die(const char *str, struct pt_regs *fp, unsigned long err); - -/* - * This routine handles page faults. It determines the problem, and - * then passes it off to one of the appropriate routines. - * - * error_code: - * bit 0 == 0 means no page found, 1 means protection fault - * bit 1 == 0 means read, 1 means write - * - * If this routine detects a bad access, it returns 1, otherwise it - * returns 0. - */ -asmlinkage int do_page_fault(struct pt_regs *regs, unsigned long address, - unsigned long error_code) -{ -#ifdef DEBUG - pr_debug("regs->sr=%#x, regs->pc=%#lx, address=%#lx, %ld\n", - regs->sr, regs->pc, address, error_code); -#endif - -/* - * Oops. The kernel tried to access some bad page. We'll have to - * terminate things with extreme prejudice. - */ - if ((unsigned long) address < PAGE_SIZE) - pr_alert("Unable to handle kernel NULL pointer dereference"); - else - pr_alert("Unable to handle kernel access"); - printk(" at virtual address %08lx\n", address); - if (!user_mode(regs)) - die("Oops", regs, error_code); - make_task_dead(SIGKILL); - - return 1; -} |