From patchwork Tue Sep 22 20:19:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eduardo Habkost X-Patchwork-Id: 273062 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=-9.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 53CA8C2D0E2 for ; Tue, 22 Sep 2020 20:22:42 +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 CED7D2223E for ; Tue, 22 Sep 2020 20:22:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="KLevdMMv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CED7D2223E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:32816 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kKooC-0004lK-TN for qemu-devel@archiver.kernel.org; Tue, 22 Sep 2020 16:22:40 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56140) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kKolM-000247-Bk for qemu-devel@nongnu.org; Tue, 22 Sep 2020 16:19:44 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:49124) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kKolK-00083N-Qw for qemu-devel@nongnu.org; Tue, 22 Sep 2020 16:19:44 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600805982; 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=gYUw7on53U22xygxI96tyg7A07dVivNHpOasjcBU6xE=; b=KLevdMMv9gotw55GmpBW+AIG5r3QtCJ1J4Qxk7ruHOL6Ya0hthlZ1GL0glzppCr8CZ44Z4 /M4Squ8jga+i67qxkqJgENMJokaHl3kKSW3rmmgztdgMU3h9XsO+h5AL17M/gli5zXRODk X7tJeQ7OQsZAnF8/RtjKs5+bzUl/hmo= 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-490-qWR7WA25Mr63xgyCP0dkpg-1; Tue, 22 Sep 2020 16:19:38 -0400 X-MC-Unique: qWR7WA25Mr63xgyCP0dkpg-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0283C8B124D; Tue, 22 Sep 2020 20:19:37 +0000 (UTC) Received: from localhost (unknown [10.10.67.5]) by smtp.corp.redhat.com (Postfix) with ESMTP id E406F5DD99; Tue, 22 Sep 2020 20:19:30 +0000 (UTC) From: Eduardo Habkost To: qemu-devel@nongnu.org Subject: [PATCH 1/3] i386/kvm: Require KVM_CAP_IRQ_ROUTING Date: Tue, 22 Sep 2020 16:19:20 -0400 Message-Id: <20200922201922.2153598-2-ehabkost@redhat.com> In-Reply-To: <20200922201922.2153598-1-ehabkost@redhat.com> References: <20200922201922.2153598-1-ehabkost@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Received-SPF: pass client-ip=63.128.21.124; envelope-from=ehabkost@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/22 02:07:04 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.455, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, 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: Sergio Lopez , kvm@vger.kernel.org, "Michael S. Tsirkin" , Marcelo Tosatti , Paolo Bonzini , Richard Henderson , Eduardo Habkost Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" KVM_CAP_IRQ_ROUTING is available since 2009 (Linux v2.6.30), so it's safe to just make it a requirement on x86. Signed-off-by: Eduardo Habkost --- target/i386/kvm.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target/i386/kvm.c b/target/i386/kvm.c index 9efb07e7c83..d884ff1b071 100644 --- a/target/i386/kvm.c +++ b/target/i386/kvm.c @@ -2129,6 +2129,11 @@ int kvm_arch_init(MachineState *ms, KVMState *s) int ret; struct utsname utsname; + if (!kvm_check_extension(s, KVM_CAP_IRQ_ROUTING)) { + error_report("kvm: KVM_CAP_IRQ_ROUTING not supported by KVM"); + return -ENOTSUP; + } + has_xsave = kvm_check_extension(s, KVM_CAP_XSAVE); has_xcrs = kvm_check_extension(s, KVM_CAP_XCRS); has_pit_state2 = kvm_check_extension(s, KVM_CAP_PIT_STATE2);