From patchwork Wed Nov 4 15:17:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Hajnoczi X-Patchwork-Id: 11880967 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,MIME_BASE64_TEXT,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 76ECCC388F9 for ; Wed, 4 Nov 2020 15:18:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0F04A2074F for ; Wed, 4 Nov 2020 15:18:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="i+iOPrzo" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730508AbgKDPSs (ORCPT ); Wed, 4 Nov 2020 10:18:48 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:33019 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730490AbgKDPSo (ORCPT ); Wed, 4 Nov 2020 10:18:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1604503123; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=uWbsFp7DBE9N9DNywJF9TpUh112RLQk5tV8p3cqgf6g=; b=i+iOPrzoqcn1c53qEt1TcfEvO7YDVWjyoJGdqF45ETgdzpYskv/FJZRRT6LxG++jeTC84S gfkZJ6sIrUXXXm6LxsTzVDPk6ccIp2ClGJpLscnYtgQh4+YwdwL/gPjPtySBoi68dsnRJB 29bF1QURnb90cKtHs51y4JLMfLRO/18= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-222-VPQui5vfNhu2ohf8eAiOMQ-1; Wed, 04 Nov 2020 10:18:39 -0500 X-MC-Unique: VPQui5vfNhu2ohf8eAiOMQ-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 892431018F64; Wed, 4 Nov 2020 15:18:37 +0000 (UTC) Received: from localhost (ovpn-115-145.ams2.redhat.com [10.36.115.145]) by smtp.corp.redhat.com (Postfix) with ESMTP id DBF5673664; Wed, 4 Nov 2020 15:18:33 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org, Peter Maydell Cc: kvm@vger.kernel.org, "Dr. David Alan Gilbert" , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Eduardo Habkost , Markus Armbruster , Eric Blake , Fam Zheng , Stefan Hajnoczi , Keith Busch , Max Reitz , qemu-block@nongnu.org, Kevin Wolf , Coiby Xu , Paolo Bonzini , Klaus Jensen , Elena Afanasova Subject: [PULL 01/33] accel/kvm: add PIO ioeventfds only in case kvm_eventfds_allowed is true Date: Wed, 4 Nov 2020 15:17:56 +0000 Message-Id: <20201104151828.405824-2-stefanha@redhat.com> In-Reply-To: <20201104151828.405824-1-stefanha@redhat.com> References: <20201104151828.405824-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Elena Afanasova Signed-off-by: Stefan Hajnoczi Signed-off-by: Elena Afanasova Message-Id: <20201017210102.26036-1-eafanasova@gmail.com> Signed-off-by: Stefan Hajnoczi --- accel/kvm/kvm-all.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 9ef5daf4c5..baaa54249d 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -2239,8 +2239,10 @@ static int kvm_init(MachineState *ms) kvm_memory_listener_register(s, &s->memory_listener, &address_space_memory, 0); - memory_listener_register(&kvm_io_listener, - &address_space_io); + if (kvm_eventfds_allowed) { + memory_listener_register(&kvm_io_listener, + &address_space_io); + } memory_listener_register(&kvm_coalesced_pio_listener, &address_space_io);