Re: [PATCH] iommu/iova: Update cached node pointer when current node fails to get any free IOVA

On Thu, Apr 26, 2018 at 3:15 PM, Ganapatrao Kulkarni wrote: > Hi Robin, > > On Mon, Apr 23, 2018 at 11:11 PM, Ganapatrao Kulkarni > wrote: >> On Mon, Apr 23, 2018 at 10:07 PM, Robin Murphy wrote: >>> On 19/04/18 18:12, Ganapatrao Kulkarni wrote: The performance drop is observed with lo

[PATCH 7/7 v5] arm64: dts: ls208xa: comply with the iommu map binding for fsl_mc

fsl-mc bus support the new iommu-map property. Comply to this binding for fsl_mc bus. Signed-off-by: Nipun Gupta Reviewed-by: Laurentiu Tudor --- arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 6 +- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale

[PATCH 6/7 v5] bus: fsl-mc: set coherent dma mask for devices on fsl-mc bus

of_dma_configure() API expects coherent_dma_mask to be correctly set in the devices. This patch does the needful. Signed-off-by: Nipun Gupta --- drivers/bus/fsl-mc/fsl-mc-bus.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c i

[PATCH 5/7 v5] bus: fsl-mc: support dma configure for devices on fsl-mc bus

This patch adds support of dma configuration for devices on fsl-mc bus using 'dma_configure' callback for busses. Also, directly calling arch_setup_dma_ops is removed from the fsl-mc bus. Signed-off-by: Nipun Gupta Reviewed-by: Laurentiu Tudor --- drivers/bus/fsl-mc/fsl-mc-bus.c | 15 ++

[PATCH 4/7 v5] iommu: arm-smmu: Add support for the fsl-mc bus

Implement bus specific support for the fsl-mc bus including registering arm_smmu_ops and bus specific device add operations. Signed-off-by: Nipun Gupta --- drivers/iommu/arm-smmu.c | 7 +++ drivers/iommu/iommu.c| 21 + include/linux/fsl/mc.h | 8 include/

[PATCH 3/7 v5] iommu: support iommu configuration for fsl-mc devices

With of_pci_map_rid available for all the busses, use the function for configuration of devices on fsl-mc bus Signed-off-by: Nipun Gupta --- drivers/iommu/of_iommu.c | 20 1 file changed, 20 insertions(+) diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c inde

[PATCH 2/7 v5] iommu: of: make of_pci_map_rid() available for other devices too

iommu-map property is also used by devices with fsl-mc. This patch moves the of_pci_map_rid to generic location, so that it can be used by other busses too. 'of_pci_map_rid' is renamed here to 'of_map_rid' and there is no functional change done in the API. Signed-off-by: Nipun Gupta Reviewed-by:

[PATCH 1/7 v5] Docs: dt: add fsl-mc iommu-map device-tree binding

The existing IOMMU bindings cannot be used to specify the relationship between fsl-mc devices and IOMMUs. This patch adds a generic binding for mapping fsl-mc devices to IOMMUs, using iommu-map property. Signed-off-by: Nipun Gupta Reviewed-by: Rob Herring --- .../devicetree/bindings/misc/fsl,qo

[PATCH 0/7 v5] Support for fsl-mc bus and its devices in SMMU

This patchset defines IOMMU DT binding for fsl-mc bus and adds support in SMMU for fsl-mc bus. The patch series is based on top of dma-mapping tree (for-next branch): http://git.infradead.org/users/hch/dma-mapping.git These patches - Define property 'iommu-map' for fsl-mc bus (patch 1) - Inte

RE: [PATCH v4 10/22] iommu: introduce device fault data

Hi Jacob, > From: Jacob Pan [mailto:jacob.jun@linux.intel.com] > Sent: Tuesday, April 17, 2018 5:49 AM > include/linux/iommu.h | 102 > +- > 1 file changed, 100 insertions(+), 2 deletions(-) > > diff --git a/include/linux/iommu.h b/include/linu