From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sheng Yang Subject: Re: [PATCH 2/3] KVM: Add gsi_msg_pending_bitmap for MSI-X Date: Wed, 18 Feb 2009 19:13:22 +0800 Message-ID: <200902181913.22815.sheng@linux.intel.com> References: <1234950262-4142-1-git-send-email-sheng@linux.intel.com> <1234950262-4142-3-git-send-email-sheng@linux.intel.com> <499BEA65.8060902@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Cc: Marcelo Tosatti , kvm@vger.kernel.org To: Avi Kivity Return-path: Received: from mga10.intel.com ([192.55.52.92]:27022 "EHLO fmsmga102.fm.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752302AbZBRLN1 (ORCPT ); Wed, 18 Feb 2009 06:13:27 -0500 In-Reply-To: <499BEA65.8060902@redhat.com> Content-Disposition: inline Sender: kvm-owner@vger.kernel.org List-ID: On Wednesday 18 February 2009 19:00:53 Avi Kivity wrote: > Sheng Yang wrote: > > We have to handle more than one interrupt with one handler for MSI-X. So > > we need a bitmap to track the triggered interrupts. > > Can you explain why? Or how can we know which interrupt happened? Current we scheduled the work later, and no more irq information available at that time. -- regards Yang, Sheng