From: Gavin Shan <gshan@redhat.com>
To: Randy Dunlap <rdunlap@infradead.org>, devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, robh+dt@kernel.org,
drjones@redhat.com, shan.gavin@gmail.com
Subject: Re: [PATCH] Documentation, dt, numa: Add note to empty NUMA node
Date: Fri, 25 Jun 2021 12:10:33 +1000 [thread overview]
Message-ID: <0592a04c-c526-101b-2ca2-caf4fc9e7587@redhat.com> (raw)
In-Reply-To: <0e6e80a8-23f9-d0e7-a486-3b9affc02555@redhat.com>
On 6/24/21 5:44 PM, Gavin Shan wrote:
> On 6/24/21 3:37 PM, Randy Dunlap wrote:
>> On 6/23/21 9:58 PM, Gavin Shan wrote:
>>> On 6/24/21 12:14 PM, Randy Dunlap wrote:
>>>> On 6/23/21 8:37 PM, Gavin Shan wrote:
>>>>> The empty NUMA nodes, where no memory resides in, are allowed. For
>>>>> these empty NUMA nodes, the 'len' of 'reg' property is zero. These
>>>>> empty NUMA node IDs are still valid and parsed. I finds difficulty
>>>>> to get where it's properly documented.
>>>>>
>>>>> So lets add note to empty NUMA nodes in the NUMA binding doc.
>>>>>
>>>>> Signed-off-by: Gavin Shan <gshan@redhat.com>
>>>>> ---
>>>>> Documentation/devicetree/bindings/numa.txt | 4 ++++
>>>>> 1 file changed, 4 insertions(+)
>>>>>
>>>>> diff --git a/Documentation/devicetree/bindings/numa.txt b/Documentation/devicetree/bindings/numa.txt
>>>>> index 21b35053ca5a..c564705c0eac 100644
>>>>> --- a/Documentation/devicetree/bindings/numa.txt
>>>>> +++ b/Documentation/devicetree/bindings/numa.txt
>>>>> @@ -109,6 +109,10 @@ Example:
>>>>> Dual socket system consists of 2 boards connected through ccn bus and
>>>>> each board having one socket/soc of 8 cpus, memory and pci bus.
>>>>> +Note that the empty NUMA nodes, which no memory resides in, are allowed
>>>>
>>>> Missing period at end of the sentence above.
>>>>
>>>
>>> Oh, Yes. Thanks, Randy. I will replace "resides in" with "resides in period"
>>> in v2.
>>
>> Cute. Would it help if I replaced "period" with Missing "full stop" or '.' at the end
>> of the sentence?
>>
>
> Ah, yes, '.' is needed either. Do you want me to post a new revision or you
> modify it right away? I don't know how device-tree patches get merged :)
>
Randy, I just posted v2 to include changes suggested by you. Could
you help to have a quick check when getting a chance?
>>>>> +Their NUMA node IDs are still valid so that memory can be added into these
>>>>> +NUMA nodes through hotplug afterwards.
>>>>> +
>>>>> memory@c00000 {
>>>>> device_type = "memory";
>>>>> reg = <0x0 0xc00000 0x0 0x80000000>;
>>>
[...]
Thanks,
Gavin
next prev parent reply other threads:[~2021-06-25 0:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-24 3:37 [PATCH] Documentation, dt, numa: Add note to empty NUMA node Gavin Shan
2021-06-24 2:14 ` Randy Dunlap
2021-06-24 4:58 ` Gavin Shan
2021-06-24 5:37 ` Randy Dunlap
2021-06-24 7:44 ` Gavin Shan
2021-06-25 2:10 ` Gavin Shan [this message]
2021-09-06 4:14 Gavin Shan
2021-09-21 19:44 ` Rob Herring
2021-09-22 11:05 ` Ard Biesheuvel
2021-09-23 6:32 ` Gavin Shan
2021-09-23 15:17 ` Rob Herring
2021-09-27 1:16 ` Gavin Shan
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