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Message-ID: <39683.166.70.238.45.1218868398.squirrel@webmail.wolfmountaingroup.com>
Date: Sat, 16 Aug 2008 00:33:18 -0600 (MDT)
From: jmerkey@...fmountaingroup.com
To: "Andi Kleen" <andi@...stfloor.org>
Cc: jmerkey@...fmountaingroup.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2.6.27-rc3 19/28] mdb: adding notify_die handler for
keyboard debugger entry
> jmerkey@...fmountaingroup.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
>
Got it. Added to the list. I will Instrument it.
Jeff
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