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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 49F15C4321D for ; Fri, 24 Aug 2018 15:53:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0C866208B2 for ; Fri, 24 Aug 2018 15:53:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0C866208B2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728114AbeHXT2Z (ORCPT ); Fri, 24 Aug 2018 15:28:25 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:32874 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727566AbeHXT1w (ORCPT ); Fri, 24 Aug 2018 15:27:52 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id D297D174E; Fri, 24 Aug 2018 08:52:38 -0700 (PDT) Received: from edgewater-inn.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 9FD2E3F7BE; Fri, 24 Aug 2018 08:52:38 -0700 (PDT) Received: by edgewater-inn.cambridge.arm.com (Postfix, from userid 1000) id 1BE9D1AE33A3; Fri, 24 Aug 2018 16:52:48 +0100 (BST) From: Will Deacon To: linux-kernel@vger.kernel.org Cc: peterz@infradead.org, benh@au1.ibm.com, torvalds@linux-foundation.org, npiggin@gmail.com, catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org, Will Deacon Subject: [RFC PATCH 07/11] asm-generic/tlb: Guard with #ifdef CONFIG_MMU Date: Fri, 24 Aug 2018 16:52:42 +0100 Message-Id: <1535125966-7666-8-git-send-email-will.deacon@arm.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1535125966-7666-1-git-send-email-will.deacon@arm.com> References: <1535125966-7666-1-git-send-email-will.deacon@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The inner workings of the mmu_gather-based TLB invalidation mechanism are not relevant to nommu configurations, so guard them with an ifdef. This allows us to implement future functions using static inlines without breaking the build. Signed-off-by: Will Deacon --- include/asm-generic/tlb.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h index b3353e21f3b3..859f897d3d53 100644 --- a/include/asm-generic/tlb.h +++ b/include/asm-generic/tlb.h @@ -20,6 +20,8 @@ #include #include +#ifdef CONFIG_MMU + #ifdef CONFIG_HAVE_RCU_TABLE_FREE /* * Semi RCU freeing of the page directories. @@ -312,4 +314,5 @@ static inline void tlb_remove_check_page_size_change(struct mmu_gather *tlb, #define tlb_migrate_finish(mm) do {} while (0) +#endif /* CONFIG_MMU */ #endif /* _ASM_GENERIC__TLB_H */ -- 2.1.4