From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH 0/4] Real mode interrupt injection emulation Date: Sun, 19 Sep 2010 17:25:03 +0200 Message-ID: <4C962B4F.5040001@redhat.com> References: <1284899648-19958-1-git-send-email-avi@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Mohammed Gamal To: Marcelo Tosatti , kvm@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:4440 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753550Ab0ISPZH (ORCPT ); Sun, 19 Sep 2010 11:25:07 -0400 In-Reply-To: <1284899648-19958-1-git-send-email-avi@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On 09/19/2010 02:34 PM, Avi Kivity wrote: > Our current real mode interrupt injection injects external interrupts as > software interrupts, which is somewhat hacky. This is problematic in big > real mode (can't use vmx there) and on via processors (a cpu bug prevents > this from working correctly). > > Replace the current mechanism with emulation; we now inject the interrupt > by looking up the vector in the IVT, updating the stack, etc. using the > emulator. This is somewhat slower but works in all cases. > > This patchset survived an autotest run. -- error compiling committee.c: too many arguments to function