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| author | Paul Mundt <lethal@linux-sh.org> | 2007-05-01 09:33:10 +0200 |
|---|---|---|
| committer | Paul Mundt <lethal@hera.kernel.org> | 2007-05-07 04:11:57 +0200 |
| commit | 3a2e117e220f000f95187ea1e1bbe83b0ed5fdfb (patch) | |
| tree | 57fab5755138283793647b5d0d2a2c872f00a430 /arch/sh/kernel/traps.c | |
| parent | sh: Fix APM emulation on hp6xx. (diff) | |
| download | linux-3a2e117e220f000f95187ea1e1bbe83b0ed5fdfb.tar.xz linux-3a2e117e220f000f95187ea1e1bbe83b0ed5fdfb.zip | |
sh: Add die chain notifiers.
Add the atomic die chains in, kprobes needs these.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/traps.c')
| -rw-r--r-- | arch/sh/kernel/traps.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c index 77107838271f..7b40f0ff3dfc 100644 --- a/arch/sh/kernel/traps.c +++ b/arch/sh/kernel/traps.c @@ -5,7 +5,7 @@ * SuperH version: Copyright (C) 1999 Niibe Yutaka * Copyright (C) 2000 Philipp Rumpf * Copyright (C) 2000 David Howells - * Copyright (C) 2002 - 2006 Paul Mundt + * Copyright (C) 2002 - 2007 Paul Mundt * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive @@ -23,6 +23,7 @@ #include <linux/limits.h> #include <asm/system.h> #include <asm/uaccess.h> +#include <asm/kdebug.h> #ifdef CONFIG_SH_KGDB #include <asm/kgdb.h> @@ -75,7 +76,21 @@ static void dump_mem(const char *str, unsigned long bottom, unsigned long top) } } -DEFINE_SPINLOCK(die_lock); +ATOMIC_NOTIFIER_HEAD(shdie_chain); + +int register_die_notifier(struct notifier_block *nb) +{ + return atomic_notifier_chain_register(&shdie_chain, nb); +} +EXPORT_SYMBOL(register_die_notifier); + +int unregister_die_notifier(struct notifier_block *nb) +{ + return atomic_notifier_chain_unregister(&shdie_chain, nb); +} +EXPORT_SYMBOL(unregister_die_notifier); + +static DEFINE_SPINLOCK(die_lock); void die(const char * str, struct pt_regs * regs, long err) { |