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: 318637 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=-7.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, MIME_BASE64_TEXT, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=unavailable 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 12639C2D0A3 for ; Wed, 4 Nov 2020 15:20:13 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8FFE62074F for ; Wed, 4 Nov 2020 15:20:12 +0000 (UTC) Authentication-Results: mail.kernel.org; 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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 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 Received-SPF: pass client-ip=63.128.21.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/03 22:09:52 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -3 X-Spam_score: -0.4 X-Spam_bar: / X-Spam_report: (-0.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MIME_BASE64_TEXT=1.741, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fam Zheng , Kevin Wolf , qemu-block@nongnu.org, =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Eduardo Habkost , kvm@vger.kernel.org, Markus Armbruster , Coiby Xu , "Dr. David Alan Gilbert" , Klaus Jensen , Stefan Hajnoczi , Keith Busch , Paolo Bonzini , Elena Afanasova , Max Reitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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);