Messages in this thread |  | | | Subject | Re: [PATCH 2.6.27-rc3 19/28] mdb: adding notify_die handler for keyboard debugger entry | | From | Andi Kleen <> | | Date | Sat, 16 Aug 2008 08:30:53 +0200 |
jmerkey@wolfmountaingroup.com writes:
> +#if defined(CONFIG_MDB) || defined(CONFIG_MDB_MODULE)
> + if (down && !rep && keycode == KEY_PAUSE)
> + {
> + if (notify_die(DIE_KERNELDEBUG, NULL, get_irq_regs(),
> + 0, -1, SIGINT) == NOTIFY_STOP)
> + return;
> + }
> +#endif
> +
> #ifdef CONFIG_MAGIC_SYSRQ /* Handle the SysRq Hack */
> if (keycode == KEY_SYSRQ && (sysrq_down || (down == 1 && sysrq_alt))) {
> if (!sysrq_down) {
A nicer alternative to adding an hook here would be to use
register_sysrq_key() to register a sysrq key that triggers
the debugger. That function is also already exported.
-Andi
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