linux-kernel - Re: IO_PAGE_FAULTs on unity mapped regions during amd_iommu

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Message-ID: <20130211221825.GB25591@8bytes.org>
Date:	Mon, 11 Feb 2013 23:18:25 +0100
From:	Joerg Roedel <joro@...tes.org>
To:	Shuah Khan <shuah.khan@...com>
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	stable <stable@...r.kernel.org>, iommu@...ts.linux-foundation.org
Subject: Re: IO_PAGE_FAULTs on unity mapped regions during amd_iommu_init()
 in Linux 3.4

On Mon, Feb 11, 2013 at 01:57:03PM -0700, Shuah Khan wrote:
> I was hoping Joerg's patch would make it into Linus's tree by now. I
> tested the original patch and did the back-port to 3.4 and 3.0 at the
> same time, before I loose the test system.

I will send the patch with the next merge window. It already has the
stable-tag and should be noticed when it hits Linus' tree. Since Shuah's
system is the only one I know of which actually implements IVMD entries
in the IVRS table the problem seemed not to be important enough to send
another pull-request for v3.8.

Regards,

	Joerg


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