Re: [PATCH v2 4/4] iommu/arm-smmu: Add stub of_xlate() operation in SMMUv1/SMMUv2 driver

2016-02-08 Thread Anup Patel
On Mon, Feb 8, 2016 at 4:48 PM, Mark Rutland wrote: > On Mon, Feb 08, 2016 at 10:47:32AM +0530, Anup Patel wrote: > > To allow use of large memory (> 4Gb) with 32bit devices we need to use > > IOMMU based DMA mappings for such 32bit devices. The IOMMU dt-bindings > > allows

Re: [PATCH v2 4/4] iommu/arm-smmu: Add stub of_xlate() operation in SMMUv1/SMMUv2 driver

2016-02-08 Thread Mark Rutland
On Mon, Feb 08, 2016 at 10:47:32AM +0530, Anup Patel wrote: > To allow use of large memory (> 4Gb) with 32bit devices we need to use > IOMMU based DMA mappings for such 32bit devices. The IOMMU dt-bindings > allows us do this by specifying 'iommus' attribute in 32bit device DT > node.

Re: [PATCH v2 4/4] iommu/arm-smmu: Add stub of_xlate() operation in SMMUv1/SMMUv2 driver

2016-02-08 Thread Anup Patel
On Mon, Feb 8, 2016 at 4:48 PM, Mark Rutland wrote: > On Mon, Feb 08, 2016 at 10:47:32AM +0530, Anup Patel wrote: >> To allow use of large memory (> 4Gb) with 32bit devices we need to use >> IOMMU based DMA mappings for such 32bit devices. The IOMMU dt-bindings >> allows us

Re: [PATCH] powerpc: Fix incorrect PPC32 PAMU dependency

2016-02-08 Thread Michael Ellerman
On Thu, 2016-02-04 at 20:16 -0600, Andy Fleming wrote: > The Freescale PAMU can also be enabled on 64-bit power > chips. Commit 477ab7a19cec8409e4e2dd10e7348e4cac3c06e5 > (iommu: Make more drivers depend on COMPILE_TEST) > added this false dependency. Fixed it by allowing PPC64, too. > >

Re: ARM PCI/MSI KVM passthrough with GICv2M

2016-02-08 Thread Eric Auger
Hi Alex, Christoffer, On 02/08/2016 10:48 AM, Christoffer Dall wrote: > On Fri, Feb 05, 2016 at 11:17:00AM -0700, Alex Williamson wrote: >> On Fri, 5 Feb 2016 18:32:07 +0100 >> Eric Auger wrote: >> >>> Hi Alex, >>> >>> I tried to sketch a proposal for guaranteeing the IRQ

Re: [PATCH v2 4/4] iommu/arm-smmu: Add stub of_xlate() operation in SMMUv1/SMMUv2 driver

2016-02-08 Thread Mark Rutland
On Mon, Feb 08, 2016 at 06:13:11PM +0530, Anup Patel wrote: > On Mon, Feb 8, 2016 at 4:48 PM, Mark Rutland wrote: > > On Mon, Feb 08, 2016 at 10:47:32AM +0530, Anup Patel wrote: > >> To allow use of large memory (> 4Gb) with 32bit devices we need to use > >> IOMMU based DMA