linux-kernel - Re: [PATCH v4 2/2] acpi, gicv3-its, numa: Adding numa node mapping for gic-its units

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Message-ID: <2d99c999-8ded-ac3d-57a2-fd81dbadadea@arm.com>
Date:   Thu, 22 Jun 2017 15:49:25 +0100
From:   Marc Zyngier <marc.zyngier@....com>
To:     Ganapatrao Kulkarni <ganapatrao.kulkarni@...ium.com>,
        linux-acpi@...r.kernel.org, devel@...ica.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     lv.zheng@...el.com, robert.moore@...el.com,
        catalin.marinas@....com, will.deacon@....com,
        lorenzo.pieralisi@....com, hanjun.guo@...aro.org,
        tglx@...utronix.de, jason@...edaemon.net, jnair@...iumnetworks.com,
        gpkulkarni@...il.com
Subject: Re: [PATCH v4 2/2] acpi, gicv3-its, numa: Adding numa node mapping
 for gic-its units

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@...ium.com>
> ---
>  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.

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...