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    SubjectRe: [PATCH v3 2/2] acpi/iort: numa: Add numa node mapping for smmuv3 devices
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    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@cavium.com>
    > ---
    > 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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