From patchwork Wed Feb 10 16:40:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vitaly Kuznetsov X-Patchwork-Id: 12081267 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=-16.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,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 54C85C433DB for ; Wed, 10 Feb 2021 17:02:31 +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 A93B264E02 for ; Wed, 10 Feb 2021 17:02:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A93B264E02 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]:57212 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l9ssn-0002pz-Hy for qemu-devel@archiver.kernel.org; Wed, 10 Feb 2021 12:02:29 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:42348) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l9sYQ-0007IV-4l for qemu-devel@nongnu.org; Wed, 10 Feb 2021 11:41:28 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:44003) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l9sYJ-0008U6-23 for qemu-devel@nongnu.org; Wed, 10 Feb 2021 11:41:24 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1612975275; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=j+AV2GFi+kjWFIUo+RE5H3HntnGgd3kq3702cA43x6g=; b=JTHBCHNlvNTN+TDxUSkqUzkcqg7Eq8AHXqUE0ySCFoYdW01h2PDtbXOaSt+Um3t09Q+Fv9 /vhM96kNXd/vE77yfSpFovNXhvEEDk83dmErSHGvT3fAZyig32Chq6IMtSfEeIzuEMlZ9W E1++TQghZbf69lJvjcJOflrhgJCErPM= 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-116-ImeZkCV5Pg2G1Is0yVc_rQ-1; Wed, 10 Feb 2021 11:41:14 -0500 X-MC-Unique: ImeZkCV5Pg2G1Is0yVc_rQ-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 6FCA11936B65 for ; Wed, 10 Feb 2021 16:41:12 +0000 (UTC) Received: from vitty.brq.redhat.com (unknown [10.40.195.108]) by smtp.corp.redhat.com (Postfix) with ESMTP id D83975D9D0; Wed, 10 Feb 2021 16:41:10 +0000 (UTC) From: Vitaly Kuznetsov To: qemu-devel@nongnu.org, Eduardo Habkost Subject: [PATCH v4 14/21] i386: use global kvm_state in hyperv_enabled() check Date: Wed, 10 Feb 2021 17:40:26 +0100 Message-Id: <20210210164033.607612-15-vkuznets@redhat.com> In-Reply-To: <20210210164033.607612-1-vkuznets@redhat.com> References: <20210210164033.607612-1-vkuznets@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=vkuznets@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=vkuznets@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.568, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=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: Paolo Bonzini , Marcelo Tosatti , Igor Mammedov Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" There is no need to use vCPU-specific kvm state in hyperv_enabled() check and we need to do that when feature expansion happens early, before vCPU specific KVM state is created. Signed-off-by: Vitaly Kuznetsov --- target/i386/kvm/kvm.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index 48484592fc03..47fc564747a3 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -714,8 +714,7 @@ unsigned long kvm_arch_vcpu_id(CPUState *cs) static bool hyperv_enabled(X86CPU *cpu) { - CPUState *cs = CPU(cpu); - return kvm_check_extension(cs->kvm_state, KVM_CAP_HYPERV) > 0 && + return kvm_check_extension(kvm_state, KVM_CAP_HYPERV) > 0 && ((cpu->hyperv_spinlock_attempts != HYPERV_SPINLOCK_NEVER_NOTIFY) || cpu->hyperv_features || cpu->hyperv_passthrough); }