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,
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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,
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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' :/
next prev parent reply other threads:[~2019-09-26 9:09 UTC|newest]
Thread overview: 57+ 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
2019-09-21 22:38 ` Paul Burton
2019-09-23 2:31 ` Yunsheng Lin
2019-09-23 15:15 ` Peter Zijlstra
2019-09-23 15:28 ` Michal Hocko
2019-09-23 15:48 ` Peter Zijlstra
2019-09-23 16:52 ` Michal Hocko
2019-09-23 20:34 ` Peter Zijlstra
2019-09-24 1:29 ` Yunsheng Lin
2019-09-24 9:25 ` Peter Zijlstra
2019-09-24 11:07 ` Yunsheng Lin
2019-09-24 11:28 ` Peter Zijlstra
2019-09-24 11:44 ` Yunsheng Lin
2019-09-24 11:58 ` Peter Zijlstra
2019-09-24 12:09 ` Yunsheng Lin
2019-09-24 7:47 ` Michal Hocko
2019-09-24 9:17 ` Peter Zijlstra
2019-09-24 10:56 ` Michal Hocko
2019-09-24 11:23 ` Peter Zijlstra
2019-09-24 11:54 ` Michal Hocko
2019-09-24 12:09 ` Peter Zijlstra
2019-09-24 12:25 ` Michal Hocko
2019-09-24 12:43 ` Peter Zijlstra
2019-09-24 12:59 ` Peter Zijlstra
2019-09-24 13:19 ` Michal Hocko
2019-09-25 9:14 ` Yunsheng Lin
2019-09-25 10:41 ` Peter Zijlstra
2019-10-08 8:38 ` Yunsheng Lin
2019-10-09 12:25 ` Robin Murphy
2019-10-10 6:07 ` Yunsheng Lin
2019-10-10 7:32 ` Michal Hocko
2019-10-11 3:27 ` Yunsheng Lin
2019-10-11 11:15 ` Peter Zijlstra
2019-10-12 6:17 ` Yunsheng Lin
2019-10-12 7:40 ` Greg KH
2019-10-12 9:47 ` Yunsheng Lin
2019-10-12 10:40 ` Greg KH
2019-10-12 10:47 ` Greg KH
2019-10-14 8:00 ` Yunsheng Lin
2019-10-14 9:25 ` Greg KH
2019-10-14 9:49 ` Peter Zijlstra
2019-10-14 10:04 ` Greg KH
2019-10-15 10:40 ` Yunsheng Lin
2019-10-15 16:58 ` Greg KH
2019-10-16 12:07 ` Yunsheng Lin
2019-10-28 9:20 ` Yunsheng Lin
2019-10-29 8:53 ` Michal Hocko
2019-10-30 1:58 ` Yunsheng Lin
2019-10-10 8:56 ` Peter Zijlstra
2019-09-25 10:40 ` Peter Zijlstra
2019-09-25 13:25 ` Michal Hocko
2019-09-25 16:31 ` Peter Zijlstra
2019-09-25 21:45 ` Peter Zijlstra
2019-09-26 9:05 ` Peter Zijlstra [this message]
2019-09-26 12:10 ` Peter Zijlstra
2019-09-26 11:45 ` Geert Uytterhoeven
2019-09-26 12:24 ` Peter Zijlstra
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