linux-kernel - Re: [PATCH 13/15] sched: Detect child domain of NUMA (aka NODE) domain

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1251128058.7538.299.camel@twins>
Date:	Mon, 24 Aug 2009 17:34:18 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Andreas Herrmann <andreas.herrmann3@....com>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 13/15] sched: Detect child domain of NUMA (aka NODE)
 domain

On Thu, 2009-08-20 at 15:43 +0200, Andreas Herrmann wrote:
> On multi-node processors a NUMA node might not span a socket.
> Instead a socket might span several NUMA nodes.
> 
> This patch introduces a check whether NODE domain is parent
> of MC domain and sets s_data.numa_child_level accordingly.
> (See previous patch for further details.)

right, except that the previous patch was rather cryptic :/

So you're proposing to have the NODE level depend on multi-node and then
flip NODE and CPU around?


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/