From: Don Zickus <dzickus@redhat.com>
To: "Mingarelli, Thomas" <Thomas.Mingarelli@hp.com>
Cc: "x86@kernel.org" <x86@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
LKML <linux-kernel@vger.kernel.org>,
Wim Van Sebroeck <wim@iguana.be>
Subject: Re: [PATCH 1/2] watchdog, hpwdt: Remove priority option for NMI callback
Date: Fri, 9 Mar 2012 13:14:04 -0500 [thread overview]
Message-ID: <20120309181404.GK24378@redhat.com> (raw)
In-Reply-To: <9774516974AF5F4C8A2C3C69CD34123320369E69@G9W0755.americas.hpqcorp.net>
On Fri, Mar 09, 2012 at 05:28:15PM +0000, Mingarelli, Thomas wrote:
> Can I register for more than one type? Like NMI_UNKNOWN | NMI_DIE (or something like that)?
There are only two queues, NMI_LOCAL and NMI_UNKNOWN. The difference is
NMI_LOCAL has handlers that can determine if they are the NMI source,
which is needed because _every_ handler is executed on every NMI.
NMI_UNKNOWN is reserved for handlers that just assume the NMI is theirs.
Cheers,
Don
prev parent reply other threads:[~2012-03-09 18:14 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-09 16:37 [PATCH 1/2] watchdog, hpwdt: Remove priority option for NMI callback Don Zickus
2012-03-09 16:37 ` [PATCH 2/2] x86,nmi: Fix page faults by nmiaction if kmemcheck is enabled Don Zickus
2012-03-09 16:51 ` [PATCH 1/2] watchdog, hpwdt: Remove priority option for NMI callback Mingarelli, Thomas
2012-03-09 17:17 ` Don Zickus
2012-03-09 17:19 ` Mingarelli, Thomas
2012-03-09 17:28 ` Mingarelli, Thomas
2012-03-09 17:33 ` Peter Zijlstra
2012-03-09 18:14 ` Don Zickus [this message]
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