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Date: Thu, 3 Feb 2011 12:30:13 +1030 From: Rusty Russell <rusty@...tcorp.com.au> To: "H. Peter Anvin" <hpa@...or.com> Cc: Jeremy Fitzhardinge <jeremy@...p.org>, Kees Cook <kees.cook@...onical.com>, matthieu castet <castet.matthieu@...e.fr>, Linux Kernel list <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu> Subject: Re: [BUG] broken ebba638ae723d8a8fc2f7abce5ec18b688b791d7 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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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