Re: [PATCH v2 7/9] sparc64: numa: check the node id consistently for sparc64

2019-09-02 Thread David Miller
From: Yunsheng Lin Date: Mon, 2 Sep 2019 14:08:31 +0800 > The NUMA node id in sparc64 system is defined by DT semantics? Sometimes, and in other cases other methods are used to determine the NUMA node id.

Re: [PATCH v2 7/9] sparc64: numa: check the node id consistently for sparc64

2019-09-01 Thread Yunsheng Lin
On 2019/9/1 4:02, David Miller wrote: > From: Yunsheng Lin > Date: Sat, 31 Aug 2019 16:57:04 +0800 > >> Did you mean sparc64 system does not has ACPI, the device's node id will >> not specified by ACPI, so the ACPI is unrelated here? > > Yes, sparc64 never has and never will have ACPI. > > This

Re: [PATCH v2 7/9] sparc64: numa: check the node id consistently for sparc64

2019-08-31 Thread David Miller
From: Yunsheng Lin Date: Sat, 31 Aug 2019 16:57:04 +0800 > Did you mean sparc64 system does not has ACPI, the device's node id will > not specified by ACPI, so the ACPI is unrelated here? Yes, sparc64 never has and never will have ACPI. This is also true for several other platforms where you ha

Re: [PATCH v2 7/9] sparc64: numa: check the node id consistently for sparc64

2019-08-31 Thread Yunsheng Lin
On 2019/8/31 14:53, David Miller wrote: > From: Yunsheng Lin > Date: Sat, 31 Aug 2019 13:58:21 +0800 > >> According to Section 6.2.14 from ACPI spec 6.3 [1], the setting >> of proximity domain is optional, as below: > > What in the world does the ACPI spec have to do with sparc64 NUMA > node ID

[PATCH v2 7/9] sparc64: numa: check the node id consistently for sparc64

2019-08-31 Thread Yunsheng Lin
According to Section 6.2.14 from ACPI spec 6.3 [1], the setting of proximity domain is optional, as below: This optional object is used to describe proximity domain associations within a machine. _PXM evaluates to an integer that identifies a device as belonging to a Proximity Domain defined in th

Re: [PATCH v2 7/9] sparc64: numa: check the node id consistently for sparc64

2019-08-30 Thread David Miller
From: Yunsheng Lin Date: Sat, 31 Aug 2019 13:58:21 +0800 > According to Section 6.2.14 from ACPI spec 6.3 [1], the setting > of proximity domain is optional, as below: What in the world does the ACPI spec have to do with sparc64 NUMA node ID checking?