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From: Andi Kleen <andi@firstfloor.org>
To: John Keller <jpk@sgi.com>
Cc: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
	steiner@sgi.com
Subject: Re: [PATCH] - Add IOAPIC NMI support on x86_64
Date: 19 Jun 2007 02:44:43 +0200	[thread overview]
Message-ID: <p73vedkrcw4.fsf@bingen.suse.de> (raw)
In-Reply-To: <20070618215700.8097.77403.79754@attica.americas.sgi.com>

John Keller <jpk@sgi.com> writes:

> Add support for IOAPIC NMI interrupts on x86_64.
> 
> Changes include the following:
> 
>   - Obtain the NMI IOAPIC info via an ACPI NMI SRC structure that is
>     part of the MADT, and program the IOAPIC redirection register.
>     The NMI SRC struct will contain the GSI of the NMI interrupt.
> 
>   - Setup irq_desc[] and irq_2_pin[] entries for the NMI interrupt irq,
>     which will be used by the generic mask/unmask routines. This will
>     allow a driver to enable/disable the NMI interrupt via
>     enable/disable_irq().

What's the motivation for this patch? 

-Andi

  reply	other threads:[~2007-06-18 23:48 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-18 21:57 [PATCH] - Add IOAPIC NMI support on x86_64 John Keller
2007-06-19  0:44 ` Andi Kleen [this message]
2007-06-19 13:34   ` John Keller
2007-06-19 14:34     ` Andi Kleen
2007-06-19 18:14       ` John Keller

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