From: Andi Kleen <andi@firstfloor.org>
To: Don Zickus <dzickus@redhat.com>
Cc: mingo@elte.hu, fweisbec@gmail.com, andi@firstfloor.org,
robert.richter@amd.com, gorcunov@gmail.com,
linux-kernel@vger.kernel.org
Subject: Re: [RFC] arch generic way to trigger unknown NMIs
Date: Thu, 7 Oct 2010 09:26:41 +0200 [thread overview]
Message-ID: <20101007072641.GE5010@basil.fritz.box> (raw)
In-Reply-To: <20101007030807.GA4076@redhat.com>
Having a regression test for this is good, but it would
be also good if it wasn't a private one but in some public
git repository.
> static struct jprobe lkdtm;
> @@ -340,6 +343,9 @@ static void lkdtm_do_action(enum ctype which)
> set_current_state(TASK_UNINTERRUPTIBLE);
> schedule();
> break;
> + case NMI:
> + apic->send_IPI_allbutself(NMI_VECTOR);
> + break;
> case NONE:
> default:
> break;
>
> Anyone have any thoughts? Maybe there is an easier way?
Do you really want the NMI on all CPUs - 1? Normally it's directed to
a single one.
-Andi
next prev parent reply other threads:[~2010-10-07 7:26 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-07 3:08 [RFC] arch generic way to trigger unknown NMIs Don Zickus
2010-10-07 7:26 ` Andi Kleen [this message]
2010-10-07 14:01 ` Don Zickus
2010-10-07 15:11 ` Andi Kleen
2010-10-07 15:47 ` Don Zickus
2010-10-07 16:17 ` Andi Kleen
2010-10-07 22:45 ` Maciej W. Rozycki
2010-10-10 20:23 ` Cyrill Gorcunov
2010-10-16 7:24 ` Maciej W. Rozycki
2010-10-16 15:32 ` Cyrill Gorcunov
2010-10-16 16:15 ` Maciej W. Rozycki
2010-10-16 16:36 ` Cyrill Gorcunov
2010-10-16 23:59 ` Maciej W. Rozycki
2010-10-17 8:58 ` Cyrill Gorcunov
2010-10-17 16:08 ` Cyrill Gorcunov
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