From: David Woodhouse <dwmw2@infradead.org>
To: joseph.cihula@intel.com
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu,
arjan@linux.intel.com, hpa@zytor.com, andi@firstfloor.org,
chrisw@sous-sol.org, jmorris@namei.org, jbeulich@novell.com,
peterm@redhat.com, gang.wei@intel.com, shane.wang@intel.com
Subject: Re: [RFC v6][PATCH 1/4] intel_txt: Intel(R) TXT boot support
Date: Thu, 03 Sep 2009 13:28:34 +0100 [thread overview]
Message-ID: <1251980914.4483.494.camel@macbook.infradead.org> (raw)
In-Reply-To: <4A4ACA63.2000708@intel.com>
On Tue, 2009-06-30 at 19:30 -0700, Joseph Cihula wrote:
>
> +int tboot_force_iommu(void)
> +{
> + if (!tboot_enabled())
> + return 0;
> +
> + if (no_iommu || swiotlb || dmar_disabled)
> + pr_warning("Forcing Intel-IOMMU to enabled\n");
> +
> + dmar_disabled = 0;
> +#ifdef CONFIG_SWIOTLB
> + swiotlb = 0;
> +#endif
> + no_iommu = 0;
> +
> + return 1;
> +}
Ick. The logic for selecting which IOMMU is used is convoluted enough
already, without adding this here.
--
David Woodhouse Open Source Technology Centre
David.Woodhouse@intel.com Intel Corporation
prev parent reply other threads:[~2009-09-03 12:28 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-01 2:30 Joseph Cihula
2009-09-03 12:28 ` David Woodhouse [this message]
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