linux-kernel - Re: [Xen-devel] 2.6.27 - SMP enabled, but only 1 CPU

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Date:	Thu, 6 Nov 2008 23:20:39 +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:
>> 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.
>>   
>
> pgd_page() uses it in pgtable-nopud.h, so any users of pgd_page() 
> also need to be looked at.  It so happens the only user is 
> arch/x86/xen/mmu.c, which expects it to return the vaddr.  Fixed 
> below.

ah! asm-generic was missed by my grep. (and i suspect Jan missed it 
too)

> Subject: xen: fix use of pgd_page now that it really does return a page

applied to tip/x86/urgent, thanks!

	Ingo
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