linux-kernel - Re: [PATCH 1/2 V2] iommu/amd: Add workaround for ERBT1312

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Date:	Mon, 22 Apr 2013 16:43:55 -0500
From:	Suravee Suthikulanit <suravee.suthikulpanit@....com>
To:	Joerg Roedel <joro@...tes.org>
CC:	<iommu@...ts.linux-foundation.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2 V2] iommu/amd: Add workaround for ERBT1312

On 4/18/2013 3:06 PM, Joerg Roedel wrote:
> Yes, but the irq-thread function itself executes the handler function
> repeatedly until the IRQTF_RUNTHREAD bit is cleared. And every new
> interrupt will set this bit again. So when there is a new interrupt
> while our handler function runs the handler will be called again by the
> irq-thread.
>
>
> 	Joerg
Thank you for the clarification.  I have submitted a new patch based on 
the new workaround code. 
(http://lists.linuxfoundation.org/pipermail/iommu/2013-April/005574.html)

Suravee

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