From patchwork Tue Mar 15 11:26:17 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kiszka X-Patchwork-Id: 86950 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 5E369B700E for ; Tue, 15 Mar 2011 22:33:03 +1100 (EST) Received: from localhost ([127.0.0.1]:54927 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PzSUl-0003ta-SE for incoming@patchwork.ozlabs.org; Tue, 15 Mar 2011 07:32:59 -0400 Received: from [140.186.70.92] (port=35018 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PzSOd-0000sw-2i for qemu-devel@nongnu.org; Tue, 15 Mar 2011 07:26:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PzSOa-00049k-R5 for qemu-devel@nongnu.org; Tue, 15 Mar 2011 07:26:38 -0400 Received: from david.siemens.de ([192.35.17.14]:18180) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PzSOa-00049E-HP for qemu-devel@nongnu.org; Tue, 15 Mar 2011 07:26:36 -0400 Received: from mail1.siemens.de (localhost [127.0.0.1]) by david.siemens.de (8.13.6/8.13.6) with ESMTP id p2FBQZwE010885; Tue, 15 Mar 2011 12:26:35 +0100 Received: from mchn199C.mchp.siemens.de ([146.254.215.103]) by mail1.siemens.de (8.13.6/8.13.6) with ESMTP id p2FBQVg0000888; Tue, 15 Mar 2011 12:26:35 +0100 From: Jan Kiszka To: Avi Kivity , Marcelo Tosatti Date: Tue, 15 Mar 2011 12:26:17 +0100 Message-Id: X-Mailer: git-send-email 1.7.1 In-Reply-To: References: In-Reply-To: References: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-Received-From: 192.35.17.14 Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org Subject: [Qemu-devel] [PATCH v2 06/20] kvm: Install optimized interrupt handler X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org KVM only requires to set the raised IRQ in CPUState and to kick the receiving vcpu if it is remote. Signed-off-by: Jan Kiszka --- kvm-all.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/kvm-all.c b/kvm-all.c index 226843c..25ab545 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -650,6 +650,15 @@ 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_is_self(env)) { + qemu_cpu_kick(env); + } +} + int kvm_init(void) { static const char upgrade_note[] = @@ -758,6 +767,8 @@ int kvm_init(void) s->many_ioeventfds = kvm_check_many_ioeventfds(); + cpu_interrupt_handler = kvm_handle_interrupt; + return 0; err: