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

From	Marc Zyngier <marc.zyngier@arm.com>
Newsgroups	linux.kernel
Subject	Re: [Devel] [PATCH v4 2/2] acpi, gicv3-its, numa: Adding numa node mapping for gic-its units
Date	2017-06-26 19:50 +0200
Message-ID	<tWGj7-5mb-3@gated-at.bofh.it> (permalink)
References	<tVaEG-5pO-23@gated-at.bofh.it> <tVaEH-5pO-29@gated-at.bofh.it> <tVbAL-62K-31@gated-at.bofh.it> <tWG9s-5iW-25@gated-at.bofh.it>
Organization	ARM Ltd

Show all headers | View raw

On 26/06/17 18:38, Robert Richter wrote:
> On 22.06.17 15:49:25, Marc Zyngier wrote:
>> 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@cavium.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)
> 
> The struct name was changed :/
> 
>  s/acpi_srat_its_affinity/acpi_srat_gic_its_affinity/
> 
> You need to update this too.

I changed it when I applied the patch. See

https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/commit/?h=irq/irqchip-4.13&id=dbd2b826723319eb6e4bee5214f8901e336c06be

Which is also in tip/irq/core.

Thanks,

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

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

Re: [PATCH v4 2/2] acpi, gicv3-its, numa: Adding numa node mapping  for gic-its units Marc Zyngier <marc.zyngier@arm.com> - 2017-06-22 16:50 +0200
  Re: [Devel] [PATCH v4 2/2] acpi, gicv3-its, numa: Adding numa node  mapping for gic-its units Robert Richter <rric@kernel.org> - 2017-06-26 19:40 +0200
    Re: [Devel] [PATCH v4 2/2] acpi, gicv3-its, numa: Adding numa node  mapping for gic-its units Robert Richter <rric@kernel.org> - 2017-06-26 19:50 +0200
    Re: [Devel] [PATCH v4 2/2] acpi, gicv3-its, numa: Adding numa node  mapping for gic-its units Marc Zyngier <marc.zyngier@arm.com> - 2017-06-26 19:50 +0200

csiph-web