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[Xen-devel] Re: [RFC, PATCH 1/24] i386 Vmi documentation
- To: Andi Kleen <ak@xxxxxxx>
- From: Chris Wright <chrisw@xxxxxxxxxxxx>
- Date: Wed, 22 Mar 2006 13:57:32 -0800
- Cc: Andrew Morton <akpm@xxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxxxx>, Kip Macy <kmacy@xxxxxxxxxxx>, Zachary Amsden <zach@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxx>, Christopher Li <chrisl@xxxxxxxxxx>, virtualization@xxxxxxxxxxxxxx, Jyothy Reddy <jreddy@xxxxxxxxxx>, Joshua LeVasseur <jtl@xxxxxxxxxx>, Jack Lo <jlo@xxxxxxxxxx>, Dan Hecht <dhecht@xxxxxxxxxx>, Wim Coekaerts <wim.coekaerts@xxxxxxxxxx>, Chris Wright <chrisw@xxxxxxxxxxxx>, Pratap Subrahmanyam <pratap@xxxxxxxxxx>, Ky Srinivasan <ksrinivasan@xxxxxxxxxx>, Leendert van Doorn <leendert@xxxxxxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Chris Wright <chrisw@xxxxxxxx>, Anne Holler <anne@xxxxxxxxxx>, Dan Arai <arai@xxxxxxxxxx>
- Delivery-date: Thu, 23 Mar 2006 17:52:03 +0000
- List-id: Xen developer discussion <xen-devel.lists.xensource.com>
* Andi Kleen (ak@xxxxxxx) wrote:
> Even then it's useless for many flags because any user program can (and will)
> call CPUID directly.
Yes, doesn't handle userspace at all. It's useful only to get coherent
view of flags in kernel. Right now, for example, Xen goes in and
basically masks off flags retroactively which is not that nice either.
thanks,
-chris
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