linux-kernel - Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen support

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Date:	Mon, 30 Jun 2008 11:22:10 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Nick Piggin <npiggin@...e.de>, Mark McLoughlin <markmc@...hat.com>,
	xen-devel <xen-devel@...ts.xensource.com>,
	Eduardo Habkost <ehabkost@...hat.com>,
	Vegard Nossum <vegard.nossum@...il.com>,
	Stephen Tweedie <sct@...hat.com>, x86@...nel.org,
	LKML <linux-kernel@...r.kernel.org>,
	Yinghai Lu <yhlu.kernel@...il.com>
Subject: Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwork for
	64-bit Xen support


* Ingo Molnar <mingo@...e.hu> wrote:

> 
> * Jeremy Fitzhardinge <jeremy@...p.org> wrote:
> 
> > Ingo Molnar wrote:
> >> with this config:
> >>
> >>   http://redhat.com/~mingo/misc/config-Sun_Jun_29_10_29_11_CEST_2008.bad
> >>
> >> i've saved the merged 2.6.26-rc8-tip-00241-gc6c8cb2-dirty tree into  
> >> tip/tmp.x86.xen-64bit.Sun_Jun_29_10 and pushed it out, so you can test  
> >> that exact version.
> >
> > Looks like the setup.c unification missed the early_ioremap init from 
> > the early_ioremap unification.  Unconditionally call 
> > early_ioremap_init().
> 
> applied to tip/x86/unify-setup - thanks Jeremy.
> 
> I've reactived the x86/xen-64bit branch and i'm testing it currently.

-tip auto-testing found pagetable corruption (CPA self-test failure):

[   32.956015] CPA self-test:
[   32.958822]  4k 2048 large 508 gb 0 x 2556[ffff880000000000-ffff88003fe00000] miss 0
[   32.964000] CPA ffff88001d54e000: bad pte 1d4000e3
[   32.968000] CPA ffff88001d54e000: unexpected level 2
[   32.972000] CPA ffff880022c5d000: bad pte 22c000e3
[   32.976000] CPA ffff880022c5d000: unexpected level 2
[   32.980000] CPA ffff8800200ce000: bad pte 200000e3
[   32.984000] CPA ffff8800200ce000: unexpected level 2
[   32.988000] CPA ffff8800210f0000: bad pte 210000e3

config and full log can be found at:

 http://redhat.com/~mingo/misc/config-Mon_Jun_30_11_11_51_CEST_2008.bad
 http://redhat.com/~mingo/misc/log-Mon_Jun_30_11_11_51_CEST_2008.bad

i've pushed that tree out into tip/tmp.xen-64bit.Mon_Jun_30_11_11. The 
only new item in that tree over a well-tested base is x86/xen-64bit, so 
i've taken it out again.

	Ingo
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