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From: Chris Wright <chrisw@sous-sol.org>
To: "Cihula, Joseph" <joseph.cihula@intel.com>
Cc: Chris Wright <chrisw@sous-sol.org>, Pavel Machek <pavel@suse.cz>,
	linux-kernel@vger.kernel.org, "Wang,
	Shane" <shane.wang@intel.com>, "Wei, Gang" <gang.wei@intel.com>,
	"Van De Ven, Arjan" <arjan.van.de.ven@intel.com>,
	"Mallick, Asit K" <asit.k.mallick@intel.com>,
	"Nakajima, Jun" <jun.nakajima@intel.com>,
	Chris Wright <chrisw@redhat.com>,
	Jan Beulich <jbeulich@novell.com>,
	mingo@elte.hu, tytso@mit.edu
Subject: Re: [RFC][PATCH 3/3] TXT: Intel(R) TXT and tboot kernel support
Date: Thu, 9 Oct 2008 14:34:33 -0700	[thread overview]
Message-ID: <20081009213433.GG6912@sequoia.sous-sol.org> (raw)
In-Reply-To: <D936D925018D154694D8A362EEB0892005B12E14@orsmsx416.amr.corp.intel.com>

* Cihula, Joseph (joseph.cihula@intel.com) wrote:
> > From: Chris Wright [mailto:chrisw@sous-sol.org]
> > I asked earlier, I didn't understand why it needs to be 2 fields, since
> > it's u32 in both cases and can't both be used at once.
> 
> We will look at seeing if we can make a single entry point that detects
> if it was called by 64b code, disable IA32e mode, and then jumps to the
> 32b code.

Yeah, that's exactly what I was thinking.  I assumed I missed a piece...

>   We did it this way initially because it was easier code to
> keep them separate and has been working for some time.  We'll also have
> to adjust Xen if/when we do this.

...which is just this ease of implementation, thanks.

thanks,
-chris

  reply	other threads:[~2008-10-09 21:35 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-07 20:34 [RFC][PATCH 3/3] TXT: Intel(R) TXT and tboot kernel support Cihula, Joseph
2008-10-07 21:05 ` James Morris
2008-10-07 21:09 ` Cihula, Joseph
2008-10-07 21:44   ` James Morris
2008-10-09 13:05   ` Pavel Machek
2008-10-09 17:50     ` Chris Wright
2008-10-09 20:35       ` Cihula, Joseph
2008-10-09 21:34         ` Chris Wright [this message]
2008-10-09 17:25   ` Jeremy Fitzhardinge
2008-10-09 18:28     ` Chris Wright
2008-10-09 18:39       ` Cihula, Joseph
2008-10-08  0:52 ` Andi Kleen
  -- strict thread matches above, loose matches on Subject: below --
2008-10-07 23:29 Joseph Cihula

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