diff options
author | Paul Mundt <lethal@linux-sh.org> | 2007-09-24 16:40:56 +0900 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2007-09-24 16:40:56 +0900 |
commit | 8328a8ba92819792f37e3db002d404554e7a6f79 (patch) | |
tree | 7e02cae27c24270b973ceafcbf5082b61a8aced0 /arch/sh | |
parent | d10040f7eb808cd984b563d1cf727a1020990a2e (diff) |
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>
Diffstat (limited to 'arch/sh')
-rw-r--r-- | arch/sh/mm/Makefile | 2 | ||||
-rw-r--r-- | arch/sh/mm/fault-nommu.c | 65 |
2 files changed, 0 insertions, 67 deletions
diff --git a/arch/sh/mm/Makefile b/arch/sh/mm/Makefile index 6fbca50b64b4..ee30fb44dfe1 100644 --- a/arch/sh/mm/Makefile +++ b/arch/sh/mm/Makefile @@ -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 index c7217c3f6969..000000000000 --- a/arch/sh/mm/fault-nommu.c +++ /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); -} |