From nobody Sat Nov 15 16:44:10 2025 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=quarantine dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1750432534; cv=none; d=zohomail.com; s=zohoarc; b=Kl6xA2LzVmJP10HbsY2X693MFuCTY+V0qPhmJuFpCmK/DUxFtmVA6/WWq4OK40QVbic2nM9Y6oRgOr7PPvPE0HOt/4TrNb+vpo5iPKgUqm0JF8MJ5qfEvBolDegepSAx3M8vq+88d6bZiwsLaiTk6Ycy7IgOKwOmfJ549LYoIps= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1750432534; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=WOg71voJ0ED8/lu34K936sWicaLbanvnyfw3YaaLIFU=; b=e1gN770qiIeRF+s7jyAclLlPHFrFqyYznKserkmX4x8LJf+XIrJrl0A0pdZiOl3cVFdaJgorVmUl5ggvRicCrwYNvhHzJr6OPGgfkdJCmpMoH0Fx2GcdV8PQqlHCa91+ojJNf9574RbxcvTSFqa8gyo8FsEDry0zfRMjwUttKTk= 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=quarantine dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1750432534316220.14677194945762; Fri, 20 Jun 2025 08:15:34 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uSdRv-0002y1-4d; Fri, 20 Jun 2025 11:14:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uSdRt-0002xq-Aj for qemu-devel@nongnu.org; Fri, 20 Jun 2025 11:14:37 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uSdRr-00064G-Ui for qemu-devel@nongnu.org; Fri, 20 Jun 2025 11:14:37 -0400 Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-688-G6CdX_-SPB62mchbdslWjQ-1; Fri, 20 Jun 2025 11:14:33 -0400 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 42A92195609D; Fri, 20 Jun 2025 15:14:32 +0000 (UTC) Received: from dell-r430-03.lab.eng.brq2.redhat.com (dell-r430-03.lab.eng.brq2.redhat.com [10.37.153.18]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 5BCBB1956094; Fri, 20 Jun 2025 15:14:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1750432474; 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=WOg71voJ0ED8/lu34K936sWicaLbanvnyfw3YaaLIFU=; b=FNDoLst4ARRLm0GlQsPZ2DrJXZZnUwamQUtKPQOqhmyUN7ujLuOSJ1a2l5R6kG5ftk5sz3 J6SRg5EmpTttHR5R5nfTyI2wZvnV/URUQed0+9uOcwo0bI9nCSfLgYU0OOxvR5MdGMY3E0 PaYpZtSqwhQYmxBgvOKv1jOBvIM7HzY= X-MC-Unique: G6CdX_-SPB62mchbdslWjQ-1 X-Mimecast-MFC-AGG-ID: G6CdX_-SPB62mchbdslWjQ_1750432472 From: Igor Mammedov To: qemu-devel@nongnu.org Cc: kraxel@redhat.com, mst@redhat.com, anisinha@redhat.com, elena.ufimtseva@oracle.com, jag.raman@oracle.com, pbonzini@redhat.com, peterx@redhat.com, david@redhat.com, philmd@linaro.org Subject: [PATCH 2/3] acpi: mark PMTIMER as unlocked Date: Fri, 20 Jun 2025 17:14:17 +0200 Message-ID: <20250620151418.1166195-3-imammedo@redhat.com> In-Reply-To: <20250620151418.1166195-1-imammedo@redhat.com> References: <20250620151418.1166195-1-imammedo@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 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=170.10.133.124; envelope-from=imammedo@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -39 X-Spam_score: -4.0 X-Spam_bar: ---- X-Spam_report: (-4.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.897, 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, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1750432534829116600 Reading QEMU_CLOCK_VIRTUAL is thread-safe. with CLI -M q35,hpet=3Doff -cpu host -enable-kvm -smp 240,sockets=3D4 patch makes WS2025 guest, that wasn't able to boot in 30min, to boot in 2-1= min. Signed-off-by: Igor Mammedov --- hw/acpi/core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/acpi/core.c b/hw/acpi/core.c index 58f8964e13..683fbdd8df 100644 --- a/hw/acpi/core.c +++ b/hw/acpi/core.c @@ -547,6 +547,8 @@ void acpi_pm_tmr_init(ACPIREGS *ar, acpi_update_sci_fn = update_sci, ar->tmr.timer =3D timer_new_ns(QEMU_CLOCK_VIRTUAL, acpi_pm_tmr_timer, = ar); memory_region_init_io(&ar->tmr.io, memory_region_owner(parent), &acpi_pm_tmr_ops, ar, "acpi-tmr", 4); + memory_region_enable_lockless_ro_io(&ar->tmr.io); + ar->tmr.io.disable_reentrancy_guard =3D true; memory_region_add_subregion(parent, 8, &ar->tmr.io); } =20 --=20 2.43.5