linux-kernel - Re: Question with maxcpus= parameter.

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Message-ID: <CAE9FiQWq3oJp0bCOqVGqpFQo65YmiUCXav6_nTEt5d3bH7aDYg@mail.gmail.com>
Date:	Mon, 9 Nov 2015 09:04:42 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Zhenzhong Duan <zhenzhong.duan@...cle.com>
Cc:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Ashok Raj <ashok.raj@...el.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Feng Jin <joe.jin@...cle.com>
Subject: Re: Question with maxcpus= parameter.

On Mon, Nov 9, 2015 at 1:09 AM, Zhenzhong Duan
<zhenzhong.duan@...cle.com> wrote:

> I know that, what confused me is uek2(2.6.39-400.249.4.el6uek.x86_64) works
> with maxcpus=,
> but uek3(3.8.13-44.1.1.el6uek.x86_64) not when I don't comment out the
> script.
> I have ever suspected uek2 send CPU ADD event for only 4 cpus.
> dyndbg="file kobject_uevent.c +p" is used when debug, vimdiff with both
> dmesg:

Should be a regression. Can you bisect it?

Thanks

Yinghai
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