Hi Ganapat,
On 2017/6/8 12:44, Ganapatrao Kulkarni wrote:
> Add code to parse proximity domain in SMMUv3 IORT table to
> set numa node mapping for smmuv3 devices.
>
> Signed-off-by: Ganapatrao Kulkarni <ganapatrao.kulkarni@xxxxxxxxxx>
> ---
> drivers/acpi/arm64/iort.c | 28 ++++++++++++++++++++++++++--
> 1 file changed, 26 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
> index bba2b59..e804386 100644
> --- a/drivers/acpi/arm64/iort.c
> +++ b/drivers/acpi/arm64/iort.c
> @@ -882,6 +882,23 @@ static bool __init arm_smmu_v3_is_coherent(struct acpi_iort_node *node)
> return smmu->flags & ACPI_IORT_SMMU_V3_COHACC_OVERRIDE;
> }
>
> +/*
> + * set numa proximity domain for smmuv3 device
> + */
> +static void __init arm_smmu_v3_set_proximity(struct acpi_iort_node *node,
> + struct device *dev)
> +{
> + struct acpi_iort_smmu_v3 *smmu;
> +
> + smmu = (struct acpi_iort_smmu_v3 *)node->node_data;
> + if (smmu->flags & ACPI_IORT_SMMU_V3_PXM_VALID) {
> + set_dev_node(dev, acpi_map_pxm_to_node(smmu->pxm));
^^
Will have compile error in !CONFIG_NUMA, I think we need to introduce
a stub function in acpi_numa.h.
Thanks
Hanjun
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