Re: [PATCH 2.6.27-rc3 19/28] mdb: adding notify_die handler for keyboard debugger entry

From: jmerkey
Date: Sat Aug 16 2008 - 02:57:30 EST


> jmerkey@xxxxxxxxxxxxxxxxxxxxx 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
>

Got it. Added to the list. I will Instrument it.

Jeff

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