From nobody Mon Feb 9 16:34:42 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1601533262; cv=none; d=zohomail.com; s=zohoarc; b=LabOxn0pf9sW4a6p8hoACjwYatLL0Nzz1x2xg5rfzJ7GgCXFkHnSihRVg0GHLTWcVMj+M9PCcesofrFI7vDV+9aZuj6z3OneDfLAXnu06Xmn2tVg+uEpwnKsl6GMkvW52OasoekMYvJdkDaoHy1c/WTT2eHrhQcL9BcSvYW14B4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1601533262; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=64SmcdMkYwsAhSqPe415zi6gYv89e19emOMuW+84nos=; b=IE9NwQDHp3qqBliv08NZATqgTOKyLu7rSJWWha92slRKrcoXb962oA5mvZ7baypi9vU8SZAAPoDWfl4JrQoy08+VxsRwHAg1zJ9kTJsUA1f12tjjrH5y6I+lhSgO2Byw5oAlnpU6YLCLCKy8Vnv+jOmmxpqI/aVlIC9yyy7GPS4= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1601533262392511.2123141509329; Wed, 30 Sep 2020 23:21:02 -0700 (PDT) Received: from localhost ([::1]:56772 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kNrxd-0000Vp-3z for importer@patchew.org; Thu, 01 Oct 2020 02:21:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38396) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kNruP-0004Sl-Bw for qemu-devel@nongnu.org; Thu, 01 Oct 2020 02:17:41 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:27392) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kNruN-0003sn-Hv for qemu-devel@nongnu.org; Thu, 01 Oct 2020 02:17:40 -0400 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-438-gdTuDkUTNK6NmS9NL2vPOQ-1; Thu, 01 Oct 2020 02:17:35 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 45D231868410; Thu, 1 Oct 2020 06:17:34 +0000 (UTC) Received: from kamzik.brq.redhat.com (unknown [10.40.193.24]) by smtp.corp.redhat.com (Postfix) with ESMTP id C95685577A; Thu, 1 Oct 2020 06:17:32 +0000 (UTC) Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1601533058; 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=64SmcdMkYwsAhSqPe415zi6gYv89e19emOMuW+84nos=; b=ZDHnwfgaG/nDyy66FKEdMGfCzkZtrFlj0WtQov1d2/1bojhIy+v4WkDfOfRz/zXWeQqRhQ +l9TjpDqr75W+z8g3M1Np3g1DOPdOgUvRMAHrz4ASg54uhP+ZcD4yeQCAEIUOeqRGS4bWY YPNCGkgvdIVbJB7ARPBJjr1W0oj+Xq0= X-MC-Unique: gdTuDkUTNK6NmS9NL2vPOQ-1 From: Andrew Jones To: qemu-devel@nongnu.org, qemu-arm@nongnu.org Subject: [PATCH v4 4/6] hw/arm/virt: Move kvm pmu setup to virt_cpu_post_init Date: Thu, 1 Oct 2020 08:17:16 +0200 Message-Id: <20201001061718.101915-5-drjones@redhat.com> In-Reply-To: <20201001061718.101915-1-drjones@redhat.com> References: <20201001061718.101915-1-drjones@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=drjones@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=63.128.21.124; envelope-from=drjones@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/01 02:15:30 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.469, 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=unavailable 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: peter.maydell@linaro.org, eric.auger@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" Move the KVM PMU setup part of fdt_add_pmu_nodes() to virt_cpu_post_init(), which is a more appropriate location. Now fdt_add_pmu_nodes() is also named more appropriately, because it no longer does anything but fdt node creation. No functional change intended. Reviewed-by: Peter Maydell Reviewed-by: Eric Auger Signed-off-by: Andrew Jones --- hw/arm/virt.c | 34 ++++++++++++++++++---------------- 1 file changed, 18 insertions(+), 16 deletions(-) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 524eafe22df8..92ab0fd094dc 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -521,21 +521,12 @@ static void fdt_add_gic_node(VirtMachineState *vms) =20 static void fdt_add_pmu_nodes(const VirtMachineState *vms) { - CPUState *cpu; - ARMCPU *armcpu; + ARMCPU *armcpu =3D ARM_CPU(first_cpu); uint32_t irqflags =3D GIC_FDT_IRQ_FLAGS_LEVEL_HI; =20 - CPU_FOREACH(cpu) { - armcpu =3D ARM_CPU(cpu); - if (!arm_feature(&armcpu->env, ARM_FEATURE_PMU)) { - return; - } - if (kvm_enabled()) { - if (kvm_irqchip_in_kernel()) { - kvm_arm_pmu_set_irq(cpu, PPI(VIRTUAL_PMU_IRQ)); - } - kvm_arm_pmu_init(cpu); - } + if (!arm_feature(&armcpu->env, ARM_FEATURE_PMU)) { + assert(!object_property_get_bool(OBJECT(armcpu), "pmu", NULL)); + return; } =20 if (vms->gic_version =3D=3D VIRT_GIC_VERSION_2) { @@ -544,7 +535,6 @@ static void fdt_add_pmu_nodes(const VirtMachineState *v= ms) (1 << vms->smp_cpus) - 1); } =20 - armcpu =3D ARM_CPU(qemu_get_cpu(0)); qemu_fdt_add_subnode(vms->fdt, "/pmu"); if (arm_feature(&armcpu->env, ARM_FEATURE_V8)) { const char compat[] =3D "arm,armv8-pmuv3"; @@ -1678,11 +1668,23 @@ static void finalize_gic_version(VirtMachineState *= vms) */ static void virt_cpu_post_init(VirtMachineState *vms) { - bool aarch64; + bool aarch64, pmu; + CPUState *cpu; =20 aarch64 =3D object_property_get_bool(OBJECT(first_cpu), "aarch64", NUL= L); + pmu =3D object_property_get_bool(OBJECT(first_cpu), "pmu", NULL); =20 - if (!kvm_enabled()) { + if (kvm_enabled()) { + CPU_FOREACH(cpu) { + if (pmu) { + assert(arm_feature(&ARM_CPU(cpu)->env, ARM_FEATURE_PMU)); + if (kvm_irqchip_in_kernel()) { + kvm_arm_pmu_set_irq(cpu, PPI(VIRTUAL_PMU_IRQ)); + } + kvm_arm_pmu_init(cpu); + } + } + } else { if (aarch64 && vms->highmem) { int requested_pa_size =3D 64 - clz64(vms->highest_gpa); int pamax =3D arm_pamax(ARM_CPU(first_cpu)); --=20 2.26.2