Messages in this thread | | | Date | Tue, 8 Jun 2021 10:34:53 +0100 | From | Will Deacon <> | Subject | Re: [PATCH 1/1] iommu/vt-d: Select PCI_ATS explicitly |
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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
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