From: Joerg Roedel <joro@8bytes.org>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: iommu@lists.linux-foundation.org, dwmw2@infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] iommu/vt-d: Report superpage support in sysfs
Date: Mon, 3 Aug 2015 16:30:29 +0200 [thread overview]
Message-ID: <20150803143029.GD20968@8bytes.org> (raw)
In-Reply-To: <20150714212459.11515.71211.stgit@gimli.home>
On Tue, Jul 14, 2015 at 03:25:04PM -0600, Alex Williamson wrote:
> We already have the VT-d capability register printed raw, but it
> typically involves a trip to the code or the spec to figure out
> whether superpages are supported. Make this easier with "2M_pages"
> and "1G_pages" sysfs entries that clearly report Y/N.
>
> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
> ---
> drivers/iommu/intel-iommu.c | 22 ++++++++++++++++++++++
> 1 file changed, 22 insertions(+)
Can we make this a generic entry for all iommu types and export a
pagesize bitmap instead?
Joerg
next prev parent reply other threads:[~2015-08-03 14:30 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-14 21:24 [PATCH 0/2] iommu/vt-d: Additional sysfs entries Alex Williamson
2015-07-14 21:24 ` [PATCH 1/2] iommu/vt-d: Report domain usage in sysfs Alex Williamson
2015-08-03 14:31 ` Joerg Roedel
2015-07-14 21:25 ` [PATCH 2/2] iommu/vt-d: Report superpage support " Alex Williamson
2015-08-03 14:30 ` Joerg Roedel [this message]
2015-08-03 14:35 ` David Woodhouse
2015-08-03 15:09 ` Alex Williamson
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