Re: [PATCH v4 2/2] acpi, gicv3-its, numa: Adding numa node mapping for gic-its units
From: Marc Zyngier
Date: Thu Jun 22 2017 - 10:49:40 EST
On 22/06/17 07:10, Ganapatrao Kulkarni wrote:
> Add code to parse SRAT ITS Affinity sub table as defined in ACPI 6.2.
> Later in per device probe, ITS devices are mapped to numa node using
> ITS Id to proximity domain mapping.
> Signed-off-by: Ganapatrao Kulkarni <ganapatrao.kulkarni@xxxxxxxxxx>
> drivers/irqchip/irq-gic-v3-its.c | 75 +++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 74 insertions(+), 1 deletion(-)
> diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
> index 45ea1933..1c21e01 100644
> --- a/drivers/irqchip/irq-gic-v3-its.c
> +++ b/drivers/irqchip/irq-gic-v3-its.c
> @@ -1833,6 +1833,77 @@ static int __init its_of_probe(struct device_node *node)
> #define ACPI_GICV3_ITS_MEM_SIZE (SZ_128K)
> +#ifdef CONFIG_ACPI_NUMA
So given that there is a dependency issue between the irqchip and apcica
trees, I plan on taking this patch with the following change:
#if defined(CONFIG_ACPI_NUMA) && (ACPI_CA_VERSION >= 0x20170531)
matching what is currently in -next.
Jazz is not dead. It just smells funny...