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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/
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