From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by monty-python.gnu.org with tmda-scanned (Exim 4.30) id 1BB9la-0001OO-JJ for qemu-devel@nongnu.org; Wed, 07 Apr 2004 05:54:42 -0400 Received: from mail by monty-python.gnu.org with spam-scanned (Exim 4.30) id 1BB9kE-0000x8-I0 for qemu-devel@nongnu.org; Wed, 07 Apr 2004 05:53:51 -0400 Received: from [194.90.9.29] (helo=mxout5.netvision.net.il) by monty-python.gnu.org with esmtp (Exim 4.30) id 1BB9jr-0000Wk-T3 for qemu-devel@nongnu.org; Wed, 07 Apr 2004 05:52:56 -0400 Received: from [192.168.2.45] ([212.143.109.38]) by mxout5.netvision.net.il (iPlanet Messaging Server 5.2 HotFix 1.14 (built Mar 18 2003)) with ESMTP id <0HVS009S3OS17F@mxout5.netvision.net.il> for qemu-devel@nongnu.org; Wed, 07 Apr 2004 12:52:53 +0300 (IDT) Date: Wed, 07 Apr 2004 12:52:42 +0200 From: Hetz Ben Hamo Message-id: <200404071252.42259.hetz@softier.com> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7BIT Content-disposition: inline Subject: [Qemu-devel] regarding HLT instruction Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Hi, I asked one of our engineers about the HLT instruction and his explanation was this.. The HLT instruction goes "live" when the machine sits idle, but it doesn't halt your machines if you have "live" interrupts (like IRQ's, scheduling, etc).. If you have 0 interrupts - then it halts the machine down... Hope this helps... Hetz