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From: Rusty Russell <rusty@rustcorp.com.au>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
	Kees Cook <kees.cook@canonical.com>,
	matthieu castet <castet.matthieu@free.fr>,
	Linux Kernel list <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@elte.hu>
Subject: Re: [BUG] broken ebba638ae723d8a8fc2f7abce5ec18b688b791d7
Date: Thu, 3 Feb 2011 12:30:13 +1030	[thread overview]
Message-ID: <201102031230.13759.rusty@rustcorp.com.au> (raw)
In-Reply-To: <201102031149.36440.rusty@rustcorp.com.au>

On Thu, 3 Feb 2011 11:49:36 am Rusty Russell wrote:
> On Thu, 3 Feb 2011 09:18:21 am H. Peter Anvin wrote:
> > On 01/28/2011 08:58 AM, Jeremy Fitzhardinge wrote:
> > > On 01/27/2011 07:38 PM, H. Peter Anvin wrote:
> > >> [Adding Jeremy]
> > >>
> > >> Jeremy, would this break Xen?  As far as I know, Xen is the main user
> > >> of skipping segment register initialization.
> > > 
> > > Xen doesn't go through head_*.S at all.
> > > 
> > 
> > OK, I guess it's actually lguest which needs this feature?
> 
> Well, we already move __BOOT_DS into every other segment reg, so I don't think
> %ss will break...
> 
> Checking...

Fine here.

Thanks,
Rusty.
PS.  In general, I don't want lguest to interfere with cleanups: I'd rather
     fix up lguest as required until it gets too hard, then kill it.

  reply	other threads:[~2011-02-03  2:00 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-27 21:49 matthieu castet
2011-01-27 23:00 ` Kees Cook
2011-01-28  2:24   ` H. Peter Anvin
2011-01-28  3:38     ` H. Peter Anvin
2011-01-28 16:58       ` Jeremy Fitzhardinge
2011-02-02 22:48         ` H. Peter Anvin
2011-02-03  1:19           ` Rusty Russell
2011-02-03  2:00             ` Rusty Russell [this message]
2011-02-03  2:35               ` H. Peter Anvin
2011-02-03 10:02                 ` Rusty Russell
2011-02-03 17:11                   ` H. Peter Anvin
2011-01-31 21:38     ` Kees Cook
2011-01-31 23:11       ` matthieu castet
2011-01-31 23:17         ` Rafael J. Wysocki
2011-02-01 13:07           ` castet.matthieu
2011-02-01 18:50             ` Rafael J. Wysocki
2011-01-31 23:52         ` Kees Cook
2011-02-01  1:10           ` H. Peter Anvin
2011-02-02 20:40             ` Kees Cook
2011-02-04  5:47               ` H. Peter Anvin
2011-01-31 23:12       ` matthieu castet
2011-02-05  0:34 ` [tip:x86/urgent] x86-32: Make sure the stack is set up before we use it tip-bot for H. Peter Anvin
2011-02-05  0:45 ` tip-bot for H. Peter Anvin
2011-02-05  2:19   ` Kees Cook
2011-02-05  4:37     ` H. Peter Anvin
2011-02-05  5:37       ` Kees Cook
2011-02-05  6:26         ` H. Peter Anvin
2011-02-05  6:31 ` tip-bot for H. Peter Anvin

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