linux-kernel - Re: [PATCH 1/2] iommu/vt-d: Report domain usage in sysfs

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Message-ID: <20150803143128.GE20968@8bytes.org>
Date:	Mon, 3 Aug 2015 16:31:29 +0200
From:	Joerg Roedel <joro@...tes.org>
To:	Alex Williamson <alex.williamson@...hat.com>
Cc:	iommu@...ts.linux-foundation.org, dwmw2@...radead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] iommu/vt-d: Report domain usage in sysfs

On Tue, Jul 14, 2015 at 03:24:53PM -0600, Alex Williamson wrote:
> Debugging domain ID leakage typically requires long running tests in
> order to exhaust the domain ID space or kernel instrumentation to
> track the setting and clearing of bits.  A couple trivial intel-iommu
> specific sysfs extensions make it much easier to expose the IOMMU
> capabilities and current usage.
> 
> Signed-off-by: Alex Williamson <alex.williamson@...hat.com>
> ---
>  drivers/iommu/intel-iommu.c |   21 +++++++++++++++++++++
>  1 file changed, 21 insertions(+)

Applied, thanks Alex.

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