linux-kernel - Re: [PATCH] Fake NUMA emulation for PowerPC

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] [day] [month] [year] [list]

Message-ID: <475BEB9E.4070606@linux.vnet.ibm.com>
Date:	Sun, 09 Dec 2007 18:50:30 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	Pavel Machek <pavel@....cz>
CC:	LKML <linux-kernel@...r.kernel.org>, linuxppc-dev@...abs.org,
	David Rientjes <rientjes@...gle.com>,
	Olof Johansson <olof@...om.net>
Subject: Re: [PATCH] Fake NUMA emulation for PowerPC

Pavel Machek wrote:
> On Sat 2007-12-08 09:52:06, Balbir Singh wrote:
>> David Rientjes wrote:
>>> On Sat, 8 Dec 2007, Balbir Singh wrote:
>>>
>>>> To be able to test the memory controller under NUMA, I use fake NUMA
>>>> nodes. x86-64 has a similar feature, the code I have here is the
>>>> simplest I could come up with for PowerPC.
>>>>
>>> Magnus Damm had patches from over a year ago that, I believe, made much of 
>>> the x86_64 fake NUMA code generic so that it could be extended for 
>>> architectures such as i386.  Perhaps he could resurrect those patches if 
>>> there is wider interest in such a tool.
>> That would be a very interesting patch, but what I have here is the
>> simplest patch and we could build on it incrementally. The interface is
>> non-standard but it does amazing things for 59 lines of code change.
> 
> Well, maybe it is amazing, but having non-standard interface is also
> wrong...
> 

I tend to agree with you, but in this case it's mostly debug
infrastructure that is architecture specific.

-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL
--
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/