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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 62ECCC4332B for ; Fri, 20 Mar 2020 04:26:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 42A7120732 for ; Fri, 20 Mar 2020 04:26:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727243AbgCTE0z (ORCPT ); Fri, 20 Mar 2020 00:26:55 -0400 Received: from mga01.intel.com ([192.55.52.88]:30843 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727183AbgCTE0x (ORCPT ); Fri, 20 Mar 2020 00:26:53 -0400 IronPort-SDR: hBUn0LIaPNGgGZm5mYZ9CE4MZnxNjas84q1UxdKTts7QXtgW7/XQf71LWf78FHWafQEtgGjLpe W1WbalNWxRIQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Mar 2020 21:26:53 -0700 IronPort-SDR: ROMAYb8mwSZs5ivFVqqqI62gnz9hmAz1nkziNCYdT/hOcN7a+hRopUPIt4fMLBi/jx01vg1nI6 sTCqsMIsm3cw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,283,1580803200"; d="scan'208";a="234391255" Received: from jacob-builder.jf.intel.com ([10.7.199.155]) by orsmga007.jf.intel.com with ESMTP; 19 Mar 2020 21:26:53 -0700 From: Jacob Pan To: LKML , iommu@lists.linux-foundation.org, "Lu Baolu" , Joerg Roedel , David Woodhouse Cc: Raj Ashok , "Yi Liu" , Jacob Pan Subject: [PATCH 3/3] iommu/vt-d: Add build dependency on IOASID Date: Thu, 19 Mar 2020 21:32:31 -0700 Message-Id: <1584678751-43169-4-git-send-email-jacob.jun.pan@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1584678751-43169-1-git-send-email-jacob.jun.pan@linux.intel.com> References: <1584678751-43169-1-git-send-email-jacob.jun.pan@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org IOASID code is needed by VT-d scalable mode for PASID allocation. Add explicit dependency such that IOASID is built-in whenever Intel IOMMU is enabled. Otherwise, aux domain code will fail when IOMMU is built-in and IOASID is compiled as a module. Signed-off-by: Jacob Pan --- drivers/iommu/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index d2fade984999..25149544d57c 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -188,6 +188,7 @@ config INTEL_IOMMU select NEED_DMA_MAP_STATE select DMAR_TABLE select SWIOTLB + select IOASID help DMA remapping (DMAR) devices support enables independent address translations for Direct Memory Access (DMA) from devices. -- 2.7.4