From nobody Tue Feb 10 07:57:50 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org ARC-Seal: i=1; a=rsa-sha256; t=1605788060; cv=none; d=zohomail.com; s=zohoarc; b=a3fktoXGz0gt1eWaIAdhEyydJmnWoKqKwvYfDYACgBhX+rE0Dg7f9TZGokzIOqd7pif10BKFm6tiJwUnhnvZZCJRltfw8RXK8v1iBBsKVEW9xi2vLlGlKB6aOwJCNkYu5E9zd1DRwiazhfxCIpD3duX/yWA12sFgXHEPv1Tr8xo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1605788060; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=mZpQmkQLUUO1hccs/83l4shhsGEQrqSCrng3B/PMRp8=; b=RQKfDLDxFuDAIhjQEItnv7wrmoY4DNLP5eaYaqihAmVpMJym5PE1iLDD9tyobLRrx3Rp/s1GdCKanXqhkHymuizpPC8IZmjfYrzfajjyBj1BNfIikYelW3oijjsdLiTgasB07EhFFte6S17gj/+6Blbn8GJD8VcjSfBxf/eKxtI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1605788060670608.1783353643484; Thu, 19 Nov 2020 04:14:20 -0800 (PST) Received: from list by lists.xenproject.org with outflank-mailman.30661.60835 (Exim 4.92) (envelope-from ) id 1kfip2-0003nY-5D; Thu, 19 Nov 2020 12:13:56 +0000 Received: by outflank-mailman (output) from mailman id 30661.60835; Thu, 19 Nov 2020 12:13:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kfip2-0003nQ-1S; Thu, 19 Nov 2020 12:13:56 +0000 Received: by outflank-mailman (input) for mailman id 30661; Thu, 19 Nov 2020 12:13:54 +0000 Received: from mail.xenproject.org ([104.130.215.37]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kfip0-0003mV-H2 for xen-devel@lists.xenproject.org; Thu, 19 Nov 2020 12:13:54 +0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kfip0-0002ZO-31; Thu, 19 Nov 2020 12:13:54 +0000 Received: from 54-240-197-235.amazon.com ([54.240.197.235] helo=ufe34d9ed68d054.ant.amazon.com) by xenbits.xenproject.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kfioz-0001xd-PV; Thu, 19 Nov 2020 12:13:54 +0000 Received: from mail.xenproject.org ([104.130.215.37]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kfip0-0003mV-H2 for xen-devel@lists.xenproject.org; Thu, 19 Nov 2020 12:13:54 +0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kfip0-0002ZO-31; Thu, 19 Nov 2020 12:13:54 +0000 Received: from 54-240-197-235.amazon.com ([54.240.197.235] helo=ufe34d9ed68d054.ant.amazon.com) by xenbits.xenproject.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kfioz-0001xd-PV; Thu, 19 Nov 2020 12:13:54 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=xen.org; s=20200302mail; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From; bh=mZpQmkQLUUO1hccs/83l4shhsGEQrqSCrng3B/PMRp8=; b=XLY8g2zOlxlwMzPy8nLAAtYc7 bZZ2/ui0Ya1sVIL3ejNEJZC7gp/lHh4z8elebFs7GiFvwqwkqajEMQ6Bx9nE0JqvPxf4KOZ0Sk/71 LV2itXj8wtvEP99t/1qcjZS55IsaHiwARdWWVsPvhqwtNBu6xz91Of00TGolfIDJw5IaU=; From: Julien Grall To: xen-devel@lists.xenproject.org Cc: alex.bennee@linaro.org, bertrand.marquis@arm.com, andre.przywara@arm.com, Rahul.Singh@arm.com, Julien Grall , Stefano Stabellini , Julien Grall , Volodymyr Babchuk , Julien Grall Subject: [PATCH v3 2/2] xen/arm: acpi: Allow Xen to boot with ACPI 5.1 Date: Thu, 19 Nov 2020 12:13:47 +0000 Message-Id: <20201119121347.27139-3-julien@xen.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201119121347.27139-1-julien@xen.org> References: <20201119121347.27139-1-julien@xen.org> X-ZohoMail-DKIM: pass (identity @xen.org) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Julien Grall At the moment Xen requires the FADT ACPI table to be at least version 6.0, apparently because of some reliance on other ACPI v6.0 features. But actually this is overzealous, and Xen works now fine with ACPI v5.1. Let's relax the version check for the FADT table to allow QEMU to run the hypervisor with ACPI. Signed-off-by: Julien Grall Signed-off-by: Andre Przywara Signed-off-by: Julien Grall Acked-by: Stefano Stabellini --- Changes in v3: - Add Stefano's acked-by Changes in v2: - Patch added --- xen/arch/arm/acpi/boot.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/xen/arch/arm/acpi/boot.c b/xen/arch/arm/acpi/boot.c index 55c3e5cbc834..7ea2990cb82c 100644 --- a/xen/arch/arm/acpi/boot.c +++ b/xen/arch/arm/acpi/boot.c @@ -181,8 +181,8 @@ static int __init acpi_parse_fadt(struct acpi_table_hea= der *table) * we only deal with ACPI 6.0 or newer revision to get GIC and SMP * boot protocol configuration data, or we will disable ACPI. */ - if ( table->revision > 6 - || (table->revision =3D=3D 6 && fadt->minor_revision >=3D 0) ) + if ( table->revision > 5 + || (table->revision =3D=3D 5 && fadt->minor_revision >=3D 1) ) return 0; =20 printk("Unsupported FADT revision %d.%d, should be 6.0+, will disable = ACPI\n", --=20 2.17.1