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From: Andi Kleen <andi@firstfloor.org>
To: Anthony Liguori <aliguori@us.ibm.com>
Cc: "Nakajima, Jun" <jun.nakajima@intel.com>,
	Andi Kleen <andi@firstfloor.org>,
	Keir Fraser <keir@xensource.com>,
	xen-devel@lists.xensource.com
Subject: Re: [PATCH][RFC] Emulating real mode with x86_emulate
Date: Fri, 30 Mar 2007 23:25:48 +0200	[thread overview]
Message-ID: <20070330212548.GA10338@one.firstfloor.org> (raw)
In-Reply-To: <460D7F26.2080809@us.ibm.com>

> There are some hard problems with migrating into QEMU.  Namely, the code 
> that QEMU generates isn't SMP safe (atomic instructions lose their 
> atomicity)

I see.

You're worrying that real mode startup trampolines of OS rely 
on atomic instructions?  I can't think of much other possible real mode
multi CPU code.

-Andi

  reply	other threads:[~2007-03-30 21:25 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-25 23:35 [PATCH][RFC] Emulating real mode with x86_emulate Anthony Liguori
2007-03-29 21:17 ` Kamble, Nitin A
2007-03-29 23:24   ` Anthony Liguori
2007-03-29 23:52     ` Kamble, Nitin A
2007-03-30  0:11       ` Anthony Liguori
2007-03-30  0:59         ` Kamble, Nitin A
2007-03-30  2:20           ` Kamble, Nitin A
2007-03-30  3:20             ` Anthony Liguori
2007-03-30  3:55               ` Anthony Liguori
2007-03-30 18:53               ` Kamble, Nitin A
2007-03-30 19:00                 ` Anthony Liguori
2007-03-30 21:08                   ` Kamble, Nitin A
2007-03-30 21:24                     ` Kamble, Nitin A
2007-03-30 22:11                       ` Anthony Liguori
2007-04-02 18:45                         ` Kamble, Nitin A
2007-04-02 18:54                           ` Anthony Liguori
2007-04-02 23:52                             ` Kamble, Nitin A
2007-04-03  6:25                               ` Keir Fraser
2007-04-03 14:03                               ` Anthony Liguori
2007-04-05  1:24                                 ` Kamble, Nitin A
2007-03-30 22:10 ` Andi Kleen
2007-03-30 21:20   ` Anthony Liguori
2007-03-30 21:25     ` Andi Kleen [this message]
2007-03-30 22:00       ` Anthony Liguori

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