linux-kernel - Re: 2.6.33-rc2: Xen/Guest switching to user mode with no user page tables

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Message-ID: <20100107192018.GB5460@lenovo>
Date:	Thu, 7 Jan 2010 22:20:18 +0300
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Christian Kujau <lists@...dbynature.de>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	LKML <linux-kernel@...r.kernel.org>, brgerst@...il.com,
	hpa@...or.com
Subject: Re: 2.6.33-rc2: Xen/Guest switching to user mode with no user page
	tables

On Thu, Jan 07, 2010 at 11:06:15AM -0800, Christian Kujau wrote:
> On Wed, 6 Jan 2010 at 04:43, Christian Kujau wrote:
> > # git bisect good
> > 3bd95dfb182969dc6d2a317c150e0df7107608d3 is the first bad commit
> > commit 3bd95dfb182969dc6d2a317c150e0df7107608d3
> > Author: Brian Gerst <brgerst@...il.com>
> > Date:   Wed Dec 9 12:34:40 2009 -0500
> > 
> >     x86, 64-bit: Move kernel_thread to C
> >     
> >     Prepare for merging with 32-bit.
> >     
> >     Signed-off-by: Brian Gerst <brgerst@...il.com>
> >     LKML-Reference: <1260380084-3707-2-git-send-email-brgerst@...il.com>
> >     Signed-off-by: H. Peter Anvin <hpa@...or.com>
> > 
> > :040000 040000 30b5dd4d6888694ca2967893ef3e662461fe9978 
> > 0bb5fb33914aac10aaf0344fb8cff596378be52a M      arch
> > 
> 
> ping?
> 
> 
> I'd like to revert all of Brians commits from Dec 9 12:34:4[0-4] -0500, 
> one by one, but: 
> 
> 3bd95dfb182969dc6d2a317c150e0df7107608d3 - when reverted, it won't compile
> fa4b8f84383ae197e643a46c36bf58ab8dffc95c - but now I cannot revert all the
> e840227c141116171c89ab1abb5cc9fee6fdb488   others, git won't let me.
> f443ff4201dd25cd4dec183f9919ecba90c8edc2
> df59e7bf439918f523ac29e996ec1eebbed60440
> 
> I'm pretty much offline for a week now, I just hope this won't get 
> forgotten before 2.6.33 is released.
> 
> Thanks,
> Christian.
> -- 
> BOFH excuse #191:
> 
> Just type 'mv * /dev/null'.

Hi Christian,

for the first "guilty" commit -- it seems to be innocent, at least
from the way how kernel_thread is converted into "C". Need time for
more detailed review :/

	-- Cyrill
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