From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: apic probe of 2.6.32.41 pv linux
Date: Fri, 27 May 2011 11:24:10 -0400
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To: Jiageng Yu <yujiageng734@gmail.com>
Cc: Xen-devel@lists.xensource.com, Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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On Fri, May 27, 2011 at 10:44:05PM +0800, Jiageng Yu wrote:
> 2011/5/27 Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>:
> > On Fri, May 27, 2011 at 05:58:51PM +0800, Jiageng Yu wrote:
> >> I have updated the pv linux kernel from 2.6.32.40 to 2.6.32.41. I
> >> found the generic_apic_probe always led to a kernel panic when I try
> >> to make the minimal DomU kernel.
> >>
> >> The 2.6.32.41 pv linux use the new apic probe mechanism:
> >
> > new..? What was it before?
> 
> 
> The linux kernel will invoke probe_default, which permanently returns 1.
> I wander to know may I just return 1 in 2.6.32.41 kernel? If there is
> no further problems.

Can't you just look in the git history to check for this?