From: "Derrick, Jonathan" <jonathan.derrick@intel.com>
To: "baolu.lu@linux.intel.com" <baolu.lu@linux.intel.com>,
"drake@endlessm.com" <drake@endlessm.com>
Cc: "Tian, Kevin" <kevin.tian@intel.com>,
"Raj, Ashok" <ashok.raj@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>,
"robin.murphy@arm.com" <robin.murphy@arm.com>,
"hch@lst.de" <hch@lst.de>
Subject: Re: [PATCH v4 0/3] Replace private domain with per-group default domain
Date: Wed, 6 May 2020 17:50:48 +0000 [thread overview]
Message-ID: <d0fa0782473f5c7ef63dcded596ab6694b74b149.camel@intel.com> (raw)
In-Reply-To: <CAD8Lp47E2CDmHTEGSpqYfxxKB4a+JY6VzZdL9e65P7YxqfL9Ag@mail.gmail.com>
On Wed, 2020-05-06 at 10:09 +0800, Daniel Drake wrote:
> On Wed, May 6, 2020 at 10:03 AM Lu Baolu <baolu.lu@linux.intel.com> wrote:
> > https://lkml.org/lkml/2020/4/14/616
> > [This has been applied in iommu/next.]
> >
> > Hence, there is no need to keep the private domain implementation
> > in the Intel IOMMU driver. This patch series aims to remove it.
>
> I applied these patches on top of Joerg's branch and confirmed that
> they fix the issue discussed in the thread:
>
> [PATCH v2] iommu/vt-d: consider real PCI device when checking if
> mapping is needed
> (the patch there is no longer needed)
>
> Tested-by: Daniel Drake <drake@endlessm.com>
>
> Thanks!
Looks like the key to the real DMA dev fix was removing
identity_mapping() paths that led to dev->archdata.iommu == NULL -> DMA
domain
Works great for me as well
Reviewed-by: Jon Derrick <jonathan.derrick@intel.com>
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next prev parent reply other threads:[~2020-05-06 17:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-06 1:59 [PATCH v4 0/3] Replace private domain with per-group default domain Lu Baolu
2020-05-06 1:59 ` [PATCH v4 1/3] iommu/vt-d: Allow 32bit devices to uses DMA domain Lu Baolu
2020-05-06 1:59 ` [PATCH v4 2/3] iommu/vt-d: Allow PCI sub-hierarchy to use " Lu Baolu
2020-05-06 1:59 ` [PATCH v4 3/3] iommu/vt-d: Apply per-device dma_ops Lu Baolu
2020-05-06 2:09 ` [PATCH v4 0/3] Replace private domain with per-group default domain Daniel Drake
2020-05-06 17:50 ` Derrick, Jonathan [this message]
2020-05-10 23:16 ` Lu Baolu
2020-05-12 17:05 ` Jerry Snitselaar
2020-05-13 8:51 ` Joerg Roedel
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