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sh: nommu: Kill off dummy page fault ops for SH-3/4. 

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>
This commit is contained in:
Paul Mundt 2007-09-24 16:40:56 +09:00
parent d10040f7eb
commit 8328a8ba92
2 changed files with 0 additions and 67 deletions
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2
arch/sh/mm/Makefile
View 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

65
arch/sh/mm/fault-nommu.c
View File

@ -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);
}