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=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 43F8AECDE44 for ; Sun, 28 Oct 2018 13:10:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0BDA620665 for ; Sun, 28 Oct 2018 13:10:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="DULrqDVb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0BDA620665 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.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 S1727696AbeJ1VzF (ORCPT ); Sun, 28 Oct 2018 17:55:05 -0400 Received: from mail-pl1-f195.google.com ([209.85.214.195]:43267 "EHLO mail-pl1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726548AbeJ1VzF (ORCPT ); Sun, 28 Oct 2018 17:55:05 -0400 Received: by mail-pl1-f195.google.com with SMTP id 30-v6so2516813plb.10; Sun, 28 Oct 2018 06:10:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Hk0Di9Qb+zs88OQ4I5uk9OIJ44YMozS+eSEHj+aJ9Z0=; b=DULrqDVbYreYAt1oKKC5KgMOg6D5NXd/8T9BEROdYj6TkIU2HY30/P/DGiMiC14ufk o3AFsrfDOdGoxj/rkJm14rSK6bmINopwt3Hzq/Kg1duxBokx79pObjNY8Y8rME7o9YZ0 Vr5jeGR7C/fPLJipN6wWiqX17b0VIxAftL54IC2Fu7QrPgeplkHgwzrdXqeCRTTQxYfA nmNDD/O4bKqqV7GY4sPM69rZMSwnjT5d5+3+gIniBJD1egbzijp8Wt2s8VxM0dqaoOxr oPDKfIBPItQd9HyqT/bFwP168d263K6nG7SYQSkYBkK1krUhpb91xE6HdlAyTvTfe07M czZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Hk0Di9Qb+zs88OQ4I5uk9OIJ44YMozS+eSEHj+aJ9Z0=; b=GJtW9PIrkgqHHqnQVIZbfrdXW7GLGCqT80sddeYgHLlHtnMc77ZRjyUImOAA7hNb/n MxmW3CS+du87ttNxVCdw3cUvT7E2EPa85u+rUGaKisVV6/zO6wgMbYB8naZO0P3ENqhQ t2qX3jqzwSatqs6nHMJNQqW++q5vGOxLPHiT6rdFoXd2zKVubynSiiBRWEWlDElsiKLh M+Obo6T33Kmo+hXQdGPnmQcUwZY71M0jnVAnu3JHtMSwom1Iz/I8CU5L7MCuFDdHUJNw +ygjWiADH4Feu0QJq3NVL4ttXLEw18KyEmTE7zgFAlFglWsSsoM3XNBKqBgSoFYylEiq JpMA== X-Gm-Message-State: AGRZ1gJ8Sb/ibjyLjSXifehlM2VAvFXxElrI8be7zxDU/FJyr9/Rhgbs QE5rpyq16Aanu4uWGQ613OA= X-Google-Smtp-Source: AJdET5dlcd9UXIUBLCS603gJym1Rp6+h0wVdPcUWTt9ebbUn43Wir4lzeAXgOyGgOH1LsevXat6yJg== X-Received: by 2002:a17:902:d806:: with SMTP id a6-v6mr10148394plz.301.1540732228780; Sun, 28 Oct 2018 06:10:28 -0700 (PDT) Received: from vultr.guest ([2001:19f0:6001:4ff6:5400:1ff:feb7:a195]) by smtp.gmail.com with ESMTPSA id e3-v6sm24520585pgc.71.2018.10.28.06.10.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 28 Oct 2018 06:10:28 -0700 (PDT) From: Changbin Du To: yamada.masahiro@socionext.com, michal.lkml@markovi.net, tglx@linutronix.de, mingo@redhat.com, linux@armlinux.org.uk, akpm@linux-foundation.org, gregkh@linuxfoundation.org Cc: rostedt@goodmis.org, x86@kernel.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sparse@vger.kernel.org, robin.murphy@arm.com, Changbin Du Subject: [PATCH v3 1/4] x86/mm: declare check_la57_support() as inline Date: Sun, 28 Oct 2018 13:09:42 +0000 Message-Id: <20181028130945.23581-2-changbin.du@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181028130945.23581-1-changbin.du@gmail.com> References: <20181028130945.23581-1-changbin.du@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The level4_kernel_pgt is only defined when X86_5LEVEL is enabled. So declare check_la57_support() as inline to make sure the code referring to level4_kernel_pgt is optimized out. This is a preparation for CONFIG_CC_OPTIMIZE_FOR_DEBUGGING. Signed-off-by: Changbin Du Cc: Steven Rostedt (VMware) Cc: Masahiro Yamada --- arch/x86/kernel/head64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index 5dc377dc9d7b..5ae682f2aa83 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -98,7 +98,7 @@ static bool __head check_la57_support(unsigned long physaddr) return true; } #else -static bool __head check_la57_support(unsigned long physaddr) +static inline bool __head check_la57_support(unsigned long physaddr) { return false; } -- 2.17.1