From patchwork Wed Mar 20 11:36:17 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhang, Yang Z" X-Patchwork-Id: 2306881 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 0589F3FC54 for ; Wed, 20 Mar 2013 11:40:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757533Ab3CTLko (ORCPT ); Wed, 20 Mar 2013 07:40:44 -0400 Received: from mga14.intel.com ([143.182.124.37]:14698 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756560Ab3CTLki (ORCPT ); Wed, 20 Mar 2013 07:40:38 -0400 Received: from azsmga002.ch.intel.com ([10.2.17.35]) by azsmga102.ch.intel.com with ESMTP; 20 Mar 2013 04:40:37 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,877,1355126400"; d="scan'208";a="216885407" Received: from yang-desktop.sh.intel.com ([10.239.47.153]) by AZSMGA002.ch.intel.com with ESMTP; 20 Mar 2013 04:40:36 -0700 From: Yang Zhang To: kvm@vger.kernel.org Cc: gleb@redhat.com, mtosatti@redhat.com, xiantao.zhang@intel.com, Yang Zhang Subject: [PATCH v4 5/7] KVM: Recalculate destination vcpu map Date: Wed, 20 Mar 2013 19:36:17 +0800 Message-Id: <1363779379-20212-6-git-send-email-yang.z.zhang@intel.com> X-Mailer: git-send-email 1.7.1.1 In-Reply-To: <1363779379-20212-1-git-send-email-yang.z.zhang@intel.com> References: <1363779379-20212-1-git-send-email-yang.z.zhang@intel.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Yang Zhang Update RTC interrrupt's destination vcpu map when ioapic entry of RTC or apic register (id, ldr, dfr) is changed. Signed-off-by: Yang Zhang --- virt/kvm/ioapic.c | 9 +++++++-- 1 files changed, 7 insertions(+), 2 deletions(-) diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c index ddf9414..91b4c08 100644 --- a/virt/kvm/ioapic.c +++ b/virt/kvm/ioapic.c @@ -121,6 +121,7 @@ void kvm_ioapic_scan_entry(struct kvm_vcpu *vcpu, { struct kvm_ioapic *ioapic = vcpu->kvm->arch.vioapic; union kvm_ioapic_redirect_entry *e; + unsigned long *rtc_map = ioapic->rtc_status.vcpu_map; struct kvm_lapic_irq irqe; int index; @@ -130,15 +131,19 @@ void kvm_ioapic_scan_entry(struct kvm_vcpu *vcpu, if (!e->fields.mask && (e->fields.trig_mode == IOAPIC_LEVEL_TRIG || kvm_irq_has_notifier(ioapic->kvm, KVM_IRQCHIP_IOAPIC, - index))) { + index) || index == 8)) { irqe.dest_id = e->fields.dest_id; irqe.vector = e->fields.vector; irqe.dest_mode = e->fields.dest_mode; irqe.shorthand = 0; if (kvm_apic_match_dest(vcpu, NULL, irqe.shorthand, - irqe.dest_id, irqe.dest_mode)) + irqe.dest_id, irqe.dest_mode)) { __set_bit(irqe.vector, eoi_exit_bitmap); + if (index == 8) + __set_bit(vcpu->vcpu_id, rtc_map); + } else if (index == 8) + __clear_bit(vcpu->vcpu_id, rtc_map); } } spin_unlock(&ioapic->lock);