From: Lu Baolu <baolu.lu@linux.intel.com>
To: Jon Derrick <jonathan.derrick@intel.com>,
linux-pci@vger.kernel.org, Bjorn Helgaas <helgaas@kernel.org>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: baolu.lu@linux.intel.com, iommu@lists.linux-foundation.org,
Christoph Hellwig <hch@lst.de>, Keith Busch <kbusch@kernel.org>,
Joerg Roedel <joro@8bytes.org>,
David Woodhouse <dwmw2@infradead.org>
Subject: Re: [PATCH v5 5/7] iommu/vt-d: Remove VMD child device sanity check
Date: Wed, 22 Jan 2020 12:37:50 +0800 [thread overview]
Message-ID: <d10e210a-80ce-d971-02a7-ef4ffc5048f1@linux.intel.com> (raw)
In-Reply-To: <1579613871-301529-6-git-send-email-jonathan.derrick@intel.com>
On 1/21/20 9:37 PM, Jon Derrick wrote:
> This removes the sanity check required for VMD child devices. The new
> pci_real_dma_dev() DMA alias mechanism places them in the same IOMMU
> group as the VMD endpoint. Assignment of the group would require
> assigning the VMD endpoint, where unbinding the VMD endpoint removes the
> child device domain from the hierarchy.
>
> Signed-off-by: Jon Derrick<jonathan.derrick@intel.com>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Thanks,
baolu
next prev parent reply other threads:[~2020-01-22 4:39 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-21 13:37 [PATCH v5 0/7] Clean up VMD DMA Map Ops Jon Derrick
2020-01-21 13:37 ` [PATCH v5 1/7] x86/PCI: Add a to_pci_sysdata helper Jon Derrick
2020-01-21 13:37 ` [PATCH v5 2/7] x86/PCI: Expose VMD's PCI Device in pci_sysdata Jon Derrick
2020-01-21 13:37 ` [PATCH v5 3/7] PCI: Introduce pci_real_dma_dev() Jon Derrick
2020-01-22 21:12 ` Bjorn Helgaas
2020-01-23 16:08 ` Lorenzo Pieralisi
2020-01-21 13:37 ` [PATCH v5 4/7] iommu/vt-d: Use pci_real_dma_dev() for mapping Jon Derrick
2020-01-22 4:37 ` Lu Baolu
2020-01-21 13:37 ` [PATCH v5 5/7] iommu/vt-d: Remove VMD child device sanity check Jon Derrick
2020-01-22 4:37 ` Lu Baolu [this message]
2020-01-21 13:37 ` [PATCH v5 6/7] PCI: vmd: Stop overriding dma_map_ops Jon Derrick
2020-01-22 16:56 ` Keith Busch
2020-01-21 13:37 ` [PATCH v5 7/7] x86/PCI: Remove X86_DEV_DMA_OPS Jon Derrick
2020-01-24 21:02 ` [PATCH v5 0/7] Clean up VMD DMA Map Ops Bjorn Helgaas
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