From patchwork Fri Mar 4 10:20:00 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kiszka X-Patchwork-Id: 608291 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p24AKdFe024154 for ; Fri, 4 Mar 2011 10:20:42 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759413Ab1CDKUa (ORCPT ); Fri, 4 Mar 2011 05:20:30 -0500 Received: from goliath.siemens.de ([192.35.17.28]:32652 "EHLO goliath.siemens.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759261Ab1CDKU3 (ORCPT ); Fri, 4 Mar 2011 05:20:29 -0500 Received: from mail1.siemens.de (localhost [127.0.0.1]) by goliath.siemens.de (8.13.6/8.13.6) with ESMTP id p24AKD3V018844; Fri, 4 Mar 2011 11:20:13 +0100 Received: from mchn199C.mchp.siemens.de ([139.25.109.49]) by mail1.siemens.de (8.13.6/8.13.6) with ESMTP id p24AKCXI008671; Fri, 4 Mar 2011 11:20:13 +0100 From: Jan Kiszka To: Avi Kivity , Marcelo Tosatti Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org Subject: [PATCH 03/15] kvm: Install optimized interrupt handlers Date: Fri, 4 Mar 2011 11:20:00 +0100 Message-Id: <29e857949ee4ff738c7c2f27063ee945a1af4875.1299233998.git.jan.kiszka@siemens.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: References: In-Reply-To: References: Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Fri, 04 Mar 2011 10:20:42 +0000 (UTC) diff --git a/kvm-all.c b/kvm-all.c index 226843c..c460d45 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -650,6 +650,20 @@ static CPUPhysMemoryClient kvm_cpu_phys_memory_client = { .log_stop = kvm_log_stop, }; +static void kvm_handle_interrupt(CPUState *env, int mask) +{ + env->interrupt_request |= mask; + + if (!qemu_cpu_self(env)) { + qemu_cpu_kick(env); + } +} + +static void kvm_handle_interrupt_kernel_irqchip(CPUState *env, int mask) +{ + env->interrupt_request |= mask; +} + int kvm_init(void) { static const char upgrade_note[] = @@ -758,6 +772,9 @@ int kvm_init(void) s->many_ioeventfds = kvm_check_many_ioeventfds(); + cpu_interrupt_handler = kvm_irqchip_in_kernel() ? + kvm_handle_interrupt_kernel_irqchip : kvm_handle_interrupt; + return 0; err: