From patchwork Sat Jul 11 10:10:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Jones X-Patchwork-Id: 278056 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=-9.9 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, 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 BEE6EC433E1 for ; Sat, 11 Jul 2020 10:11:50 +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 8E0DC206F4 for ; Sat, 11 Jul 2020 10:11:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="czqNP7vZ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8E0DC206F4 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]:41562 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1juCU1-0002F1-PT for qemu-devel@archiver.kernel.org; Sat, 11 Jul 2020 06:11:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43888) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1juCT1-0000Yc-1G for qemu-devel@nongnu.org; Sat, 11 Jul 2020 06:10:47 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:40634 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1juCSy-0008EF-LP for qemu-devel@nongnu.org; Sat, 11 Jul 2020 06:10:46 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1594462244; 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=G/xh1SpgA7XBEzJH+OIkhc62kkci0Ps/7UMsQ+8Gus8=; b=czqNP7vZSYyMGCaWIu8Ckjmdt8obK4p1+ehpHLKVmn0xunr426hlhHkZhfjOtjyCu4wIff Hvo5P+lH7RY6bIbsnZbSRCo0H/76bkVQriqCUgdqhF+cRPuf62XBjAJWw6QgaGZLrMJCL2 PwhS98WCe6nczQK6WLFv5qo1f2tM34s= 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-416-W4q6zXckN26SmLxOlAGMDw-1; Sat, 11 Jul 2020 06:10:41 -0400 X-MC-Unique: W4q6zXckN26SmLxOlAGMDw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 61F1410059A9; Sat, 11 Jul 2020 10:10:40 +0000 (UTC) Received: from kamzik.brq.redhat.com (unknown [10.40.192.42]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1E062610F2; Sat, 11 Jul 2020 10:10:38 +0000 (UTC) From: Andrew Jones To: qemu-devel@nongnu.org, qemu-arm@nongnu.org Subject: [PATCH 2/3] hw/arm/virt: Move kvm pmu setup to virt_cpu_post_init Date: Sat, 11 Jul 2020 12:10:32 +0200 Message-Id: <20200711101033.47371-3-drjones@redhat.com> In-Reply-To: <20200711101033.47371-1-drjones@redhat.com> References: <20200711101033.47371-1-drjones@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=drjones@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/11 06:10:41 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, 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_H2=-1, 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: peter.maydell@linaro.org, beata.michalska@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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. Signed-off-by: Andrew Jones --- hw/arm/virt.c | 33 +++++++++++++++------------------ 1 file changed, 15 insertions(+), 18 deletions(-) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index cb2fa99b1ef5..63ef530933e5 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -521,30 +521,15 @@ static void fdt_add_gic_node(VirtMachineState *vms) static void fdt_add_pmu_nodes(const VirtMachineState *vms) { - CPUState *cpu; - ARMCPU *armcpu; + ARMCPU *armcpu = ARM_CPU(first_cpu); uint32_t irqflags = GIC_FDT_IRQ_FLAGS_LEVEL_HI; - CPU_FOREACH(cpu) { - armcpu = 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 (vms->gic_version == VIRT_GIC_VERSION_2) { irqflags = deposit32(irqflags, GIC_FDT_IRQ_PPI_CPU_START, GIC_FDT_IRQ_PPI_CPU_WIDTH, (1 << vms->smp_cpus) - 1); } - armcpu = ARM_CPU(qemu_get_cpu(0)); qemu_fdt_add_subnode(vms->fdt, "/pmu"); if (arm_feature(&armcpu->env, ARM_FEATURE_V8)) { const char compat[] = "arm,armv8-pmuv3"; @@ -1678,11 +1663,23 @@ static void finalize_gic_version(VirtMachineState *vms) */ static void virt_cpu_post_init(VirtMachineState *vms) { - bool aarch64; + bool aarch64, pmu; + CPUState *cpu; aarch64 = object_property_get_bool(OBJECT(first_cpu), "aarch64", NULL); + pmu = object_property_get_bool(OBJECT(first_cpu), "pmu", NULL); - 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 = 64 - clz64(vms->highest_gpa); int pamax = arm_pamax(ARM_CPU(first_cpu));