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From: Peter Zijlstra <peterz@infradead.org>
To: Michal Hocko <mhocko@kernel.org>
Cc: Yunsheng Lin <linyunsheng@huawei.com>,
	catalin.marinas@arm.com, will@kernel.org, mingo@redhat.com,
	bp@alien8.de, rth@twiddle.net, ink@jurassic.park.msu.ru,
	mattst88@gmail.com, benh@kernel.crashing.org, paulus@samba.org,
	mpe@ellerman.id.au, heiko.carstens@de.ibm.com, gor@linux.ibm.com,
	borntraeger@de.ibm.com, ysato@users.sourceforge.jp,
	dalias@libc.org, davem@davemloft.net, ralf@linux-mips.org,
	paul.burton@mips.com, jhogan@kernel.org, jiaxun.yang@flygoat.com,
	chenhc@lemote.com, akpm@linux-foundation.org, rppt@linux.ibm.com,
	anshuman.khandual@arm.com, tglx@linutronix.de, cai@lca.pw,
	robin.murphy@arm.com, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, hpa@zytor.com, x86@kernel.org,
	dave.hansen@linux.intel.com, luto@kernel.org,
	len.brown@intel.com, axboe@kernel.dk, dledford@redhat.com,
	jeffrey.t.kirsher@intel.com, linux-alpha@vger.kernel.org,
	naveen.n.rao@linux.vnet.ibm.com, mwb@linux.vnet.ibm.com,
	linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org,
	linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
	tbogendoerfer@suse.de, linux-mips@vger.kernel.org,
	rafael@kernel.org, gregkh@linuxfoundation.org
Subject: Re: [PATCH v6] numa: make node_to_cpumask_map() NUMA_NO_NODE aware
Date: Thu, 26 Sep 2019 09:05:59 +0000	[thread overview]
Message-ID: <20190926090559.GA4581@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20190925214526.GA4643@worktop.programming.kicks-ass.net>

On Wed, Sep 25, 2019 at 11:45:26PM +0200, Peter Zijlstra wrote:
> [    7.149889] [Firmware Bug]: device: 'pci0000:7f': no node assigned on NUMA capable HW
> [    7.882888] [Firmware Bug]: device: 'pci0000:ff': no node assigned on NUMA capable HW

Going by the limited number of intel numa boxes I have, it looks like:

  socket = (~busid) >> (8-n)

where 'n' is the number of bits required to encode the largest socket
id, ie 1 for 2-socket and 2 for 4 socket.

For 8 socket systems we start using pci domains, and things get more
'interesting' :/

WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Michal Hocko <mhocko@kernel.org>
Cc: Yunsheng Lin <linyunsheng@huawei.com>,
	catalin.marinas@arm.com, will@kernel.org, mingo@redhat.com,
	bp@alien8.de, rth@twiddle.net, ink@jurassic.park.msu.ru,
	mattst88@gmail.com, benh@kernel.crashing.org, paulus@samba.org,
	mpe@ellerman.id.au, heiko.carstens@de.ibm.com, gor@linux.ibm.com,
	borntraeger@de.ibm.com, ysato@users.sourceforge.jp,
	dalias@libc.org, davem@davemloft.net, ralf@linux-mips.org,
	paul.burton@mips.com, jhogan@kernel.org, jiaxun.yang@flygoat.com,
	chenhc@lemote.com, akpm@linux-foundation.org, rppt@linux.ibm.com,
	anshuman.khandual@arm.com, tglx@linutronix.de, cai@lca.pw,
	robin.murphy@arm.com, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, hpa@zytor.com, x86@kernel.org,
	dave.hansen@linux.intel.com, luto@kernel.org,
	len.brown@intel.com, axboe@kernel.dk, dledford@redhat.com,
	jeffrey.t.kirsher@intel.com, linux-alpha@vger.kernel.org,
	naveen.n.rao@linux.vnet.ibm.com, mwb@linux.vnet.ibm.com,
	linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org,
	linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
	tbogendoerfer@suse.de, linux-mips@vger.kernel.org,
	rafael@kernel.org, gregkh@linuxfoundation.org
Subject: Re: [PATCH v6] numa: make node_to_cpumask_map() NUMA_NO_NODE aware
Date: Thu, 26 Sep 2019 11:05:59 +0200	[thread overview]
Message-ID: <20190926090559.GA4581@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20190925214526.GA4643@worktop.programming.kicks-ass.net>

On Wed, Sep 25, 2019 at 11:45:26PM +0200, Peter Zijlstra wrote:
> [    7.149889] [Firmware Bug]: device: 'pci0000:7f': no node assigned on NUMA capable HW
> [    7.882888] [Firmware Bug]: device: 'pci0000:ff': no node assigned on NUMA capable HW

Going by the limited number of intel numa boxes I have, it looks like:

  socket = (~busid) >> (8-n)

where 'n' is the number of bits required to encode the largest socket
id, ie 1 for 2-socket and 2 for 4 socket.

For 8 socket systems we start using pci domains, and things get more
'interesting' :/

WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Michal Hocko <mhocko@kernel.org>
Cc: dalias@libc.org, linux-sh@vger.kernel.org,
	catalin.marinas@arm.com, dave.hansen@linux.intel.com,
	heiko.carstens@de.ibm.com, jiaxun.yang@flygoat.com,
	linux-mips@vger.kernel.org, mwb@linux.vnet.ibm.com,
	paulus@samba.org, hpa@zytor.com, sparclinux@vger.kernel.org,
	chenhc@lemote.com, will@kernel.org, cai@lca.pw,
	linux-s390@vger.kernel.org, ysato@users.sourceforge.jp,
	x86@kernel.org, Yunsheng Lin <linyunsheng@huawei.com>,
	rppt@linux.ibm.com, borntraeger@de.ibm.com, dledford@redhat.com,
	mingo@redhat.com, jeffrey.t.kirsher@intel.com, jhogan@kernel.org,
	mattst88@gmail.com, len.brown@intel.com, gor@linux.ibm.com,
	anshuman.khandual@arm.com, gregkh@linuxfoundation.org,
	bp@alien8.de, luto@kernel.org, tglx@linutronix.de,
	naveen.n.rao@linux.vnet.ibm.com,
	linux-arm-kernel@lists.infradead.org, rth@twiddle.net,
	axboe@kernel.dk, linuxppc-dev@lists.ozlabs.org,
	linux-kernel@vger.kernel.org, ralf@linux-mips.org,
	tbogendoerfer@suse.de, paul.burton@mips.com,
	linux-alpha@vger.kernel.org, rafael@kernel.org,
	ink@jurassic.park.msu.ru, akpm@linux-foundation.org,
	robin.murphy@arm.com, davem@davemloft.net
Subject: Re: [PATCH v6] numa: make node_to_cpumask_map() NUMA_NO_NODE aware
Date: Thu, 26 Sep 2019 11:05:59 +0200	[thread overview]
Message-ID: <20190926090559.GA4581@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20190925214526.GA4643@worktop.programming.kicks-ass.net>

On Wed, Sep 25, 2019 at 11:45:26PM +0200, Peter Zijlstra wrote:
> [    7.149889] [Firmware Bug]: device: 'pci0000:7f': no node assigned on NUMA capable HW
> [    7.882888] [Firmware Bug]: device: 'pci0000:ff': no node assigned on NUMA capable HW

Going by the limited number of intel numa boxes I have, it looks like:

  socket = (~busid) >> (8-n)

where 'n' is the number of bits required to encode the largest socket
id, ie 1 for 2-socket and 2 for 4 socket.

For 8 socket systems we start using pci domains, and things get more
'interesting' :/

WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Michal Hocko <mhocko@kernel.org>
Cc: Yunsheng Lin <linyunsheng@huawei.com>,
	catalin.marinas@arm.com, will@kernel.org, mingo@redhat.com,
	bp@alien8.de, rth@twiddle.net, ink@jurassic.park.msu.ru,
	mattst88@gmail.com, benh@kernel.crashing.org, paulus@samba.org,
	mpe@ellerman.id.au, heiko.carstens@de.ibm.com, gor@linux.ibm.com,
	borntraeger@de.ibm.com, ysato@users.sourceforge.jp,
	dalias@libc.org, davem@davemloft.net, ralf@linux-mips.org,
	paul.burton@mips.com, jhogan@kernel.org, jiaxun.yang@flygoat.com,
	chenhc@lemote.com, akpm@linux-foundation.org, rppt@linux.ibm.com,
	anshuman.khandual@arm.com, tglx@linutronix.de, cai@lca.pw,
	robin.murphy@arm.com, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, hpa@zytor.com, x86@kernel.org,
	dave.hansen@linux.intel.com, luto@kernel.org,
	len.brown@intel.com, axboe@kernel.dk
Subject: Re: [PATCH v6] numa: make node_to_cpumask_map() NUMA_NO_NODE aware
Date: Thu, 26 Sep 2019 11:05:59 +0200	[thread overview]
Message-ID: <20190926090559.GA4581@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20190925214526.GA4643@worktop.programming.kicks-ass.net>

On Wed, Sep 25, 2019 at 11:45:26PM +0200, Peter Zijlstra wrote:
> [    7.149889] [Firmware Bug]: device: 'pci0000:7f': no node assigned on NUMA capable HW
> [    7.882888] [Firmware Bug]: device: 'pci0000:ff': no node assigned on NUMA capable HW

Going by the limited number of intel numa boxes I have, it looks like:

  socket = (~busid) >> (8-n)

where 'n' is the number of bits required to encode the largest socket
id, ie 1 for 2-socket and 2 for 4 socket.

For 8 socket systems we start using pci domains, and things get more
'interesting' :/

  reply	other threads:[~2019-09-26  9:05 UTC|newest]

Thread overview: 235+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-17 12:48 [PATCH v6] numa: make node_to_cpumask_map() NUMA_NO_NODE aware Yunsheng Lin
2019-09-17 12:48 ` Yunsheng Lin
2019-09-17 12:48 ` Yunsheng Lin
2019-09-17 12:48 ` Yunsheng Lin
2019-09-21 22:38 ` Paul Burton
2019-09-21 22:38   ` Paul Burton
2019-09-23  2:31   ` Yunsheng Lin
2019-09-23  2:31     ` Yunsheng Lin
2019-09-23 15:15 ` Peter Zijlstra
2019-09-23 15:15   ` Peter Zijlstra
2019-09-23 15:15   ` Peter Zijlstra
2019-09-23 15:15   ` Peter Zijlstra
2019-09-23 15:28   ` Michal Hocko
2019-09-23 15:28     ` Michal Hocko
2019-09-23 15:28     ` Michal Hocko
2019-09-23 15:28     ` Michal Hocko
2019-09-23 15:48     ` Peter Zijlstra
2019-09-23 15:48       ` Peter Zijlstra
2019-09-23 15:48       ` Peter Zijlstra
2019-09-23 15:48       ` Peter Zijlstra
2019-09-23 16:52       ` Michal Hocko
2019-09-23 16:52         ` Michal Hocko
2019-09-23 16:52         ` Michal Hocko
2019-09-23 16:52         ` Michal Hocko
2019-09-23 20:34         ` Peter Zijlstra
2019-09-23 20:34           ` Peter Zijlstra
2019-09-23 20:34           ` Peter Zijlstra
2019-09-23 20:34           ` Peter Zijlstra
2019-09-24  1:29           ` Yunsheng Lin
2019-09-24  1:29             ` Yunsheng Lin
2019-09-24  1:29             ` Yunsheng Lin
2019-09-24  1:29             ` Yunsheng Lin
2019-09-24  1:29             ` Yunsheng Lin
2019-09-24  9:25             ` Peter Zijlstra
2019-09-24  9:25               ` Peter Zijlstra
2019-09-24  9:25               ` Peter Zijlstra
2019-09-24  9:25               ` Peter Zijlstra
2019-09-24 11:07               ` Yunsheng Lin
2019-09-24 11:07                 ` Yunsheng Lin
2019-09-24 11:07                 ` Yunsheng Lin
2019-09-24 11:07                 ` Yunsheng Lin
2019-09-24 11:07                 ` Yunsheng Lin
2019-09-24 11:28                 ` Peter Zijlstra
2019-09-24 11:28                   ` Peter Zijlstra
2019-09-24 11:28                   ` Peter Zijlstra
2019-09-24 11:28                   ` Peter Zijlstra
2019-09-24 11:44                   ` Yunsheng Lin
2019-09-24 11:44                     ` Yunsheng Lin
2019-09-24 11:44                     ` Yunsheng Lin
2019-09-24 11:44                     ` Yunsheng Lin
2019-09-24 11:44                     ` Yunsheng Lin
2019-09-24 11:58                     ` Peter Zijlstra
2019-09-24 11:58                       ` Peter Zijlstra
2019-09-24 11:58                       ` Peter Zijlstra
2019-09-24 11:58                       ` Peter Zijlstra
2019-09-24 12:09                       ` Yunsheng Lin
2019-09-24 12:09                         ` Yunsheng Lin
2019-09-24 12:09                         ` Yunsheng Lin
2019-09-24 12:09                         ` Yunsheng Lin
2019-09-24 12:09                         ` Yunsheng Lin
2019-09-24  7:47           ` Michal Hocko
2019-09-24  7:47             ` Michal Hocko
2019-09-24  7:47             ` Michal Hocko
2019-09-24  7:47             ` Michal Hocko
2019-09-24  9:17             ` Peter Zijlstra
2019-09-24  9:17               ` Peter Zijlstra
2019-09-24  9:17               ` Peter Zijlstra
2019-09-24  9:17               ` Peter Zijlstra
2019-09-24 10:56               ` Michal Hocko
2019-09-24 10:56                 ` Michal Hocko
2019-09-24 10:56                 ` Michal Hocko
2019-09-24 10:56                 ` Michal Hocko
2019-09-24 11:23                 ` Peter Zijlstra
2019-09-24 11:23                   ` Peter Zijlstra
2019-09-24 11:23                   ` Peter Zijlstra
2019-09-24 11:23                   ` Peter Zijlstra
2019-09-24 11:54                   ` Michal Hocko
2019-09-24 11:54                     ` Michal Hocko
2019-09-24 11:54                     ` Michal Hocko
2019-09-24 11:54                     ` Michal Hocko
2019-09-24 12:09                     ` Peter Zijlstra
2019-09-24 12:09                       ` Peter Zijlstra
2019-09-24 12:09                       ` Peter Zijlstra
2019-09-24 12:09                       ` Peter Zijlstra
2019-09-24 12:25                       ` Michal Hocko
2019-09-24 12:25                         ` Michal Hocko
2019-09-24 12:25                         ` Michal Hocko
2019-09-24 12:25                         ` Michal Hocko
2019-09-24 12:43                         ` Peter Zijlstra
2019-09-24 12:43                           ` Peter Zijlstra
2019-09-24 12:43                           ` Peter Zijlstra
2019-09-24 12:43                           ` Peter Zijlstra
2019-09-24 12:59                           ` Peter Zijlstra
2019-09-24 12:59                             ` Peter Zijlstra
2019-09-24 12:59                             ` Peter Zijlstra
2019-09-24 12:59                             ` Peter Zijlstra
2019-09-24 13:19                             ` Michal Hocko
2019-09-24 13:19                               ` Michal Hocko
2019-09-24 13:19                               ` Michal Hocko
2019-09-24 13:19                               ` Michal Hocko
2019-09-25  9:14                               ` Yunsheng Lin
2019-09-25  9:14                                 ` Yunsheng Lin
2019-09-25  9:14                                 ` Yunsheng Lin
2019-09-25  9:14                                 ` Yunsheng Lin
2019-09-25  9:14                                 ` Yunsheng Lin
2019-09-25 10:41                                 ` Peter Zijlstra
2019-09-25 10:41                                   ` Peter Zijlstra
2019-09-25 10:41                                   ` Peter Zijlstra
2019-09-25 10:41                                   ` Peter Zijlstra
2019-10-08  8:38                                   ` Yunsheng Lin
2019-10-08  8:38                                     ` Yunsheng Lin
2019-10-08  8:38                                     ` Yunsheng Lin
2019-10-08  8:38                                     ` Yunsheng Lin
2019-10-08  8:38                                     ` Yunsheng Lin
2019-10-09 12:25                                     ` Robin Murphy
2019-10-09 12:25                                       ` Robin Murphy
2019-10-09 12:25                                       ` Robin Murphy
2019-10-09 12:25                                       ` Robin Murphy
2019-10-10  6:07                                       ` Yunsheng Lin
2019-10-10  6:07                                         ` Yunsheng Lin
2019-10-10  6:07                                         ` Yunsheng Lin
2019-10-10  6:07                                         ` Yunsheng Lin
2019-10-10  6:07                                         ` Yunsheng Lin
2019-10-10  7:32                                         ` Michal Hocko
2019-10-10  7:32                                           ` Michal Hocko
2019-10-10  7:32                                           ` Michal Hocko
2019-10-10  7:32                                           ` Michal Hocko
2019-10-11  3:27                                           ` Yunsheng Lin
2019-10-11  3:27                                             ` Yunsheng Lin
2019-10-11  3:27                                             ` Yunsheng Lin
2019-10-11  3:27                                             ` Yunsheng Lin
2019-10-11  3:27                                             ` Yunsheng Lin
2019-10-11 11:15                                             ` Peter Zijlstra
2019-10-11 11:15                                               ` Peter Zijlstra
2019-10-11 11:15                                               ` Peter Zijlstra
2019-10-11 11:15                                               ` Peter Zijlstra
2019-10-12  6:17                                               ` Yunsheng Lin
2019-10-12  6:17                                                 ` Yunsheng Lin
2019-10-12  6:17                                                 ` Yunsheng Lin
2019-10-12  6:17                                                 ` Yunsheng Lin
2019-10-12  6:17                                                 ` Yunsheng Lin
2019-10-12  7:40                                                 ` Greg KH
2019-10-12  7:40                                                   ` Greg KH
2019-10-12  7:40                                                   ` Greg KH
2019-10-12  7:40                                                   ` Greg KH
2019-10-12  9:47                                                   ` Yunsheng Lin
2019-10-12  9:47                                                     ` Yunsheng Lin
2019-10-12  9:47                                                     ` Yunsheng Lin
2019-10-12  9:47                                                     ` Yunsheng Lin
2019-10-12  9:47                                                     ` Yunsheng Lin
2019-10-12 10:40                                                     ` Greg KH
2019-10-12 10:40                                                       ` Greg KH
2019-10-12 10:40                                                       ` Greg KH
2019-10-12 10:40                                                       ` Greg KH
2019-10-12 10:47                                                       ` Greg KH
2019-10-12 10:47                                                         ` Greg KH
2019-10-12 10:47                                                         ` Greg KH
2019-10-12 10:47                                                         ` Greg KH
2019-10-14  8:00                                                         ` Yunsheng Lin
2019-10-14  8:00                                                           ` Yunsheng Lin
2019-10-14  8:00                                                           ` Yunsheng Lin
2019-10-14  8:00                                                           ` Yunsheng Lin
2019-10-14  8:00                                                           ` Yunsheng Lin
2019-10-14  9:25                                                           ` Greg KH
2019-10-14  9:25                                                             ` Greg KH
2019-10-14  9:25                                                             ` Greg KH
2019-10-14  9:25                                                             ` Greg KH
2019-10-14  9:49                                                             ` Peter Zijlstra
2019-10-14  9:49                                                               ` Peter Zijlstra
2019-10-14  9:49                                                               ` Peter Zijlstra
2019-10-14  9:49                                                               ` Peter Zijlstra
2019-10-14 10:04                                                               ` Greg KH
2019-10-14 10:04                                                                 ` Greg KH
2019-10-14 10:04                                                                 ` Greg KH
2019-10-14 10:04                                                                 ` Greg KH
2019-10-15 10:40                                                             ` Yunsheng Lin
2019-10-15 10:40                                                               ` Yunsheng Lin
2019-10-15 10:40                                                               ` Yunsheng Lin
2019-10-15 10:40                                                               ` Yunsheng Lin
2019-10-15 10:40                                                               ` Yunsheng Lin
2019-10-15 16:58                                                               ` Greg KH
2019-10-15 16:58                                                                 ` Greg KH
2019-10-15 16:58                                                                 ` Greg KH
2019-10-15 16:58                                                                 ` Greg KH
2019-10-16 12:07                                                                 ` Yunsheng Lin
2019-10-16 12:07                                                                   ` Yunsheng Lin
2019-10-16 12:07                                                                   ` Yunsheng Lin
2019-10-16 12:07                                                                   ` Yunsheng Lin
2019-10-16 12:07                                                                   ` Yunsheng Lin
2019-10-28  9:20                                                   ` Yunsheng Lin
2019-10-28  9:20                                                     ` Yunsheng Lin
2019-10-28  9:20                                                     ` Yunsheng Lin
2019-10-28  9:20                                                     ` Yunsheng Lin
2019-10-28  9:20                                                     ` Yunsheng Lin
2019-10-29  8:53                                                     ` Michal Hocko
2019-10-29  8:53                                                       ` Michal Hocko
2019-10-29  8:53                                                       ` Michal Hocko
2019-10-29  8:53                                                       ` Michal Hocko
2019-10-30  1:58                                                       ` Yunsheng Lin
2019-10-30  1:58                                                         ` Yunsheng Lin
2019-10-30  1:58                                                         ` Yunsheng Lin
2019-10-30  1:58                                                         ` Yunsheng Lin
2019-10-30  1:58                                                         ` Yunsheng Lin
2019-10-10  8:56                                       ` Peter Zijlstra
2019-10-10  8:56                                         ` Peter Zijlstra
2019-10-10  8:56                                         ` Peter Zijlstra
2019-10-10  8:56                                         ` Peter Zijlstra
2019-09-25 10:40                               ` Peter Zijlstra
2019-09-25 10:40                                 ` Peter Zijlstra
2019-09-25 10:40                                 ` Peter Zijlstra
2019-09-25 10:40                                 ` Peter Zijlstra
2019-09-25 13:25                                 ` Michal Hocko
2019-09-25 13:25                                   ` Michal Hocko
2019-09-25 13:25                                   ` Michal Hocko
2019-09-25 13:25                                   ` Michal Hocko
2019-09-25 16:31                                   ` Peter Zijlstra
2019-09-25 16:31                                     ` Peter Zijlstra
2019-09-25 16:31                                     ` Peter Zijlstra
2019-09-25 16:31                                     ` Peter Zijlstra
2019-09-25 21:45                                     ` Peter Zijlstra
2019-09-25 21:45                                       ` Peter Zijlstra
2019-09-25 21:45                                       ` Peter Zijlstra
2019-09-25 21:45                                       ` Peter Zijlstra
2019-09-26  9:05                                       ` Peter Zijlstra [this message]
2019-09-26  9:05                                         ` Peter Zijlstra
2019-09-26  9:05                                         ` Peter Zijlstra
2019-09-26  9:05                                         ` Peter Zijlstra
2019-09-26 12:10                                         ` Peter Zijlstra
2019-09-26 12:10                                           ` Peter Zijlstra
2019-09-26 12:10                                           ` Peter Zijlstra
2019-09-26 12:10                                           ` Peter Zijlstra
2019-09-26 11:45                                     ` Geert Uytterhoeven
2019-09-26 11:45                                       ` Geert Uytterhoeven
2019-09-26 12:24                                       ` Peter Zijlstra
2019-09-26 12:24                                         ` Peter Zijlstra

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