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Message-ID: <20081106213344.GF24579@elte.hu>
Date: Thu, 6 Nov 2008 22:33:44 +0100
From: Ingo Molnar <mingo@...e.hu>
To: Jeremy Fitzhardinge <jeremy@...p.org>
Cc: Ian Campbell <Ian.Campbell@...rix.com>,
"Christopher S. Aker" <caker@...shore.net>,
xen devel <xen-devel@...ts.xensource.com>,
Jan Beulich <jbeulich@...ell.com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [Xen-devel] 2.6.27 - SMP enabled, but only 1 CPU
* Jeremy Fitzhardinge <jeremy@...p.org> wrote:
> Ingo Molnar wrote:
>> a "cleanup" impact line is only added if the change is not intended to
>> have any side-effects whatsoever.
>>
>> We can drop it but it would be really nice to figure out what's going
>> on. In a very quick late-night look i cannot see anything particularly
>> weird about it, but based on the type of changes it does there are
>> three leading candidates: lost high 32 bits, zero extend problem, or
>> incorrect types.
>
> Interestingly, the Xen code appears to be the *only* user of
> pud_page - and only via pgd_page in PAE mode.
where exactly is that use? My grep didnt show any users of pud_page().
pud_page() was changed in an incompatible way, all users of it must be
updated.
Ingo
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