From: Andi Kleen <andi@firstfloor.org>
To: jmerkey@wolfmountaingroup.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2.6.27-rc3 19/28] mdb: adding notify_die handler for keyboard debugger entry
Date: Sat, 16 Aug 2008 08:30:53 +0200 [thread overview]
Message-ID: <87pro9xyhu.fsf@basil.nowhere.org> (raw)
In-Reply-To: <200808160341.m7G3flhk022569@wolfmountaingroup.com> (jmerkey@wolfmountaingroup.com's message of "Fri, 15 Aug 2008 21:41:47 -0600")
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
next prev parent reply other threads:[~2008-08-16 6:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-16 3:41 [PATCH 2.6.27-rc3 19/28] mdb: adding notify_die handler for keyboard debugger entry jmerkey
2008-08-16 6:30 ` Andi Kleen [this message]
2008-08-16 6:33 ` jmerkey
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