sh: nommu: Kill off dummy page fault ops for SH-3/4.
authorPaul Mundt <lethal@linux-sh.org>
Mon, 24 Sep 2007 07:40:56 +0000 (16:40 +0900)
committerPaul Mundt <lethal@linux-sh.org>
Mon, 24 Sep 2007 07:40:56 +0000 (16:40 +0900)
We stopped referencing these functions unconditionally when the
old entry.S code was refactored, so this is just dead code at
present. Kill it off.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
arch/sh/mm/Makefile
arch/sh/mm/fault-nommu.c [deleted file]

index 6fbca50b64b45769092552604b4dba2fc6e81427..ee30fb44dfe107d1acc1e5f70292c3d57438baf3 100644 (file)
@@ -12,8 +12,6 @@ obj-$(CONFIG_SH7705_CACHE_32KB)       += cache-sh7705.o
 endif
 
 mmu-y                  := tlb-nommu.o pg-nommu.o
-mmu-$(CONFIG_CPU_SH3)  += fault-nommu.o
-mmu-$(CONFIG_CPU_SH4)  += fault-nommu.o
 mmu-$(CONFIG_MMU)      := fault.o clear_page.o copy_page.o tlb-flush.o \
                           ioremap.o
 
diff --git a/arch/sh/mm/fault-nommu.c b/arch/sh/mm/fault-nommu.c
deleted file mode 100644 (file)
index c7217c3..0000000
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * arch/sh/mm/fault-nommu.c
- *
- * Copyright (C) 2002 - 2007 Paul Mundt
- *
- * Based on linux/arch/sh/mm/fault.c:
- *  Copyright (C) 1999  Niibe Yutaka
- *
- * Released under the terms of the GNU GPL v2.0.
- */
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/hardirq.h>
-#include <linux/kprobes.h>
-#include <linux/signal.h>
-#include <asm/system.h>
-#include <asm/ptrace.h>
-#include <asm/kgdb.h>
-
-/*
- * This routine handles page faults.  It determines the address,
- * and the problem, and then passes it off to one of the appropriate
- * routines.
- */
-asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
-                                       unsigned long writeaccess,
-                                       unsigned long address)
-{
-       trace_hardirqs_on();
-       local_irq_enable();
-
-#if defined(CONFIG_SH_KGDB)
-       if (kgdb_nofault && kgdb_bus_err_hook)
-               kgdb_bus_err_hook();
-#endif
-
-       /*
-        * Oops. The kernel tried to access some bad page. We'll have to
-        * terminate things with extreme prejudice.
-        *
-        */
-       if (address < PAGE_SIZE) {
-               printk(KERN_ALERT "Unable to handle kernel NULL pointer dereference");
-       } else {
-               printk(KERN_ALERT "Unable to handle kernel paging request");
-       }
-
-       printk(" at virtual address %08lx\n", address);
-       printk(KERN_ALERT "pc = %08lx\n", regs->pc);
-
-       die("Oops", regs, writeaccess);
-       do_exit(SIGKILL);
-}
-
-asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs,
-                                        unsigned long writeaccess,
-                                        unsigned long address)
-{
-#if defined(CONFIG_SH_KGDB)
-       if (kgdb_nofault && kgdb_bus_err_hook)
-               kgdb_bus_err_hook();
-#endif
-
-       return (address >= TASK_SIZE);
-}