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=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 6B175C4363A for ; Mon, 26 Oct 2020 12:26:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 33AB620882 for ; Mon, 26 Oct 2020 12:26:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1775094AbgJZM0l (ORCPT ); Mon, 26 Oct 2020 08:26:41 -0400 Received: from foss.arm.com ([217.140.110.172]:37510 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2442309AbgJZMYm (ORCPT ); Mon, 26 Oct 2020 08:24:42 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id BF6E91477; Mon, 26 Oct 2020 05:24:41 -0700 (PDT) Received: from e121345-lin.cambridge.arm.com (e121345-lin.cambridge.arm.com [10.1.196.37]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 12F183F719; Mon, 26 Oct 2020 05:24:40 -0700 (PDT) From: Robin Murphy To: hch@lst.de Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, song.bao.hua@hisilicon.com Subject: [PATCH] dma: Per-NUMA-node CMA should depend on NUMA Date: Mon, 26 Oct 2020 12:24:35 +0000 Message-Id: <74b66725883f065eb7d156f866678abb5be934bd.1603714996.git.robin.murphy@arm.com> X-Mailer: git-send-email 2.28.0.dirty MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Offering DMA_PERNUMA_CMA to non-NUMA configs is pointless. Signed-off-by: Robin Murphy --- kernel/dma/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/dma/Kconfig b/kernel/dma/Kconfig index c99de4a21458..964b74c9b7e3 100644 --- a/kernel/dma/Kconfig +++ b/kernel/dma/Kconfig @@ -125,7 +125,8 @@ if DMA_CMA config DMA_PERNUMA_CMA bool "Enable separate DMA Contiguous Memory Area for each NUMA Node" - default NUMA && ARM64 + depends on NUMA + default ARM64 help Enable this option to get pernuma CMA areas so that devices like ARM64 SMMU can get local memory by DMA coherent APIs. -- 2.28.0.dirty