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* [PATCH 1/1] iommu/vt-d: Select PCI_ATS explicitly
@ 2021-05-12  6:53 ` Lu Baolu
  0 siblings, 0 replies; 4+ messages in thread
From: Lu Baolu @ 2021-05-12  6:53 UTC (permalink / raw)
  To: Joerg Roedel, Will Deacon
  Cc: ashok.raj, kevin.tian, jacob.jun.pan, yi.l.liu, sanjay.k.kumar,
	iommu, linux-kernel, Lu Baolu

The Intel VT-d implementation supports device TLB management. Select
PCI_ATS explicitly so that the pci_ats helpers are always available.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
 drivers/iommu/intel/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iommu/intel/Kconfig b/drivers/iommu/intel/Kconfig
index 28a3d1596c76..7e5b240b801d 100644
--- a/drivers/iommu/intel/Kconfig
+++ b/drivers/iommu/intel/Kconfig
@@ -14,6 +14,7 @@ config INTEL_IOMMU
 	select SWIOTLB
 	select IOASID
 	select IOMMU_DMA
+	select PCI_ATS
 	help
 	  DMA remapping (DMAR) devices support enables independent address
 	  translations for Direct Memory Access (DMA) from devices.
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [PATCH 1/1] iommu/vt-d: Select PCI_ATS explicitly
@ 2021-05-12  6:53 ` Lu Baolu
  0 siblings, 0 replies; 4+ messages in thread
From: Lu Baolu @ 2021-05-12  6:53 UTC (permalink / raw)
  To: Joerg Roedel, Will Deacon
  Cc: kevin.tian, ashok.raj, sanjay.k.kumar, linux-kernel, iommu,
	jacob.jun.pan

The Intel VT-d implementation supports device TLB management. Select
PCI_ATS explicitly so that the pci_ats helpers are always available.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
 drivers/iommu/intel/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iommu/intel/Kconfig b/drivers/iommu/intel/Kconfig
index 28a3d1596c76..7e5b240b801d 100644
--- a/drivers/iommu/intel/Kconfig
+++ b/drivers/iommu/intel/Kconfig
@@ -14,6 +14,7 @@ config INTEL_IOMMU
 	select SWIOTLB
 	select IOASID
 	select IOMMU_DMA
+	select PCI_ATS
 	help
 	  DMA remapping (DMAR) devices support enables independent address
 	  translations for Direct Memory Access (DMA) from devices.
-- 
2.25.1

_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH 1/1] iommu/vt-d: Select PCI_ATS explicitly
  2021-05-12  6:53 ` Lu Baolu
@ 2021-06-08  9:34   ` Will Deacon
  -1 siblings, 0 replies; 4+ messages in thread
From: Will Deacon @ 2021-06-08  9:34 UTC (permalink / raw)
  To: Lu Baolu
  Cc: Joerg Roedel, ashok.raj, kevin.tian, jacob.jun.pan, yi.l.liu,
	sanjay.k.kumar, iommu, linux-kernel

On Wed, May 12, 2021 at 02:53:13PM +0800, Lu Baolu wrote:
> The Intel VT-d implementation supports device TLB management. Select
> PCI_ATS explicitly so that the pci_ats helpers are always available.
> 
> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
> ---
>  drivers/iommu/intel/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/iommu/intel/Kconfig b/drivers/iommu/intel/Kconfig
> index 28a3d1596c76..7e5b240b801d 100644
> --- a/drivers/iommu/intel/Kconfig
> +++ b/drivers/iommu/intel/Kconfig
> @@ -14,6 +14,7 @@ config INTEL_IOMMU
>  	select SWIOTLB
>  	select IOASID
>  	select IOMMU_DMA
> +	select PCI_ATS
>  	help
>  	  DMA remapping (DMAR) devices support enables independent address
>  	  translations for Direct Memory Access (DMA) from devices.

Acked-by: Will Deacon <will@kernel.org>

Will

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH 1/1] iommu/vt-d: Select PCI_ATS explicitly
@ 2021-06-08  9:34   ` Will Deacon
  0 siblings, 0 replies; 4+ messages in thread
From: Will Deacon @ 2021-06-08  9:34 UTC (permalink / raw)
  To: Lu Baolu
  Cc: kevin.tian, ashok.raj, sanjay.k.kumar, linux-kernel, iommu,
	jacob.jun.pan

On Wed, May 12, 2021 at 02:53:13PM +0800, Lu Baolu wrote:
> The Intel VT-d implementation supports device TLB management. Select
> PCI_ATS explicitly so that the pci_ats helpers are always available.
> 
> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
> ---
>  drivers/iommu/intel/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/iommu/intel/Kconfig b/drivers/iommu/intel/Kconfig
> index 28a3d1596c76..7e5b240b801d 100644
> --- a/drivers/iommu/intel/Kconfig
> +++ b/drivers/iommu/intel/Kconfig
> @@ -14,6 +14,7 @@ config INTEL_IOMMU
>  	select SWIOTLB
>  	select IOASID
>  	select IOMMU_DMA
> +	select PCI_ATS
>  	help
>  	  DMA remapping (DMAR) devices support enables independent address
>  	  translations for Direct Memory Access (DMA) from devices.

Acked-by: Will Deacon <will@kernel.org>

Will
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2021-06-08  9:35 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2021-05-12  6:53 [PATCH 1/1] iommu/vt-d: Select PCI_ATS explicitly Lu Baolu
2021-05-12  6:53 ` Lu Baolu
2021-06-08  9:34 ` Will Deacon
2021-06-08  9:34   ` Will Deacon

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