From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DB834C433EF for ; Sat, 25 Jun 2022 12:56:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232968AbiFYM4x (ORCPT ); Sat, 25 Jun 2022 08:56:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46336 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232949AbiFYM4t (ORCPT ); Sat, 25 Jun 2022 08:56:49 -0400 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4009918362 for ; Sat, 25 Jun 2022 05:56:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1656161808; x=1687697808; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=t65pYKyMV4XOK7nEHhdalG87XLHrbrBHX7dnd091tts=; b=jrTFY70sEYytG3uwjclP/yzMmjXtQHwXl4IhSDAZXjYMonh9hAwcpJu6 XI5HyzvAJjxgvFEDyZU/ChCH1vwhYtVH9eZC6lizJ84XE+pslZMk64ncv mxt0wqAJ2JCPpx9KELbieDPWZ1hXiLJvZPEvUZtG1/EjXaSRosYvj3hD2 o3gX+lPYlMPrTyE2/vcYaxvGGWxzh7jcVQarGicnMRBrIZK+OGeTO8t7F xbJtRenlznHmFQEgmeoxlMzxceobcmviyn56Rfc7SmXc1XjLVQp7Uo4Nh k+z6gUjY60IugtYEOv/W6V7qRhxE9UeenyAQdyv+sVoGMKzljAoADhs1T Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10388"; a="278728008" X-IronPort-AV: E=Sophos;i="5.92,222,1650956400"; d="scan'208";a="278728008" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jun 2022 05:56:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,222,1650956400"; d="scan'208";a="586890410" Received: from allen-box.sh.intel.com ([10.239.159.48]) by orsmga007.jf.intel.com with ESMTP; 25 Jun 2022 05:56:45 -0700 From: Lu Baolu To: Joerg Roedel , Steve Wahl , Kevin Tian Cc: David Woodhouse , Jerry Snitselaar , Mike Travis , Dimitri Sivanich , Russ Anderson , iommu@lists.linux.dev, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH v1 6/6] iommu/vt-d: Make DMAR_UNITS_SUPPORTED default 1024 Date: Sat, 25 Jun 2022 20:52:04 +0800 Message-Id: <20220625125204.2199437-7-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220625125204.2199437-1-baolu.lu@linux.intel.com> References: <20220625125204.2199437-1-baolu.lu@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If the available hardware exceeds DMAR_UNITS_SUPPORTED (previously set to MAX_IO_APICS, or 128), it causes these messages: "DMAR: Failed to allocate seq_id", "DMAR: Parse DMAR table failure.", and "x2apic: IRQ remapping doesn't support X2APIC mode x2apic disabled"; and the system fails to boot properly. To support up to 64 sockets with 10 DMAR units each (640), make the value of DMAR_UNITS_SUPPORTED default 1024. Signed-off-by: Steve Wahl Signed-off-by: Lu Baolu --- include/linux/dmar.h | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/include/linux/dmar.h b/include/linux/dmar.h index cbd714a198a0..d81a51978d01 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -18,11 +18,7 @@ struct acpi_dmar_header; -#ifdef CONFIG_X86 -# define DMAR_UNITS_SUPPORTED MAX_IO_APICS -#else -# define DMAR_UNITS_SUPPORTED 64 -#endif +#define DMAR_UNITS_SUPPORTED 1024 /* DMAR Flags */ #define DMAR_INTR_REMAP 0x1 -- 2.25.1