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=-11.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 90292C33CA2 for ; Thu, 9 Jan 2020 13:47:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 673C620661 for ; Thu, 9 Jan 2020 13:47:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731222AbgAINrk (ORCPT ); Thu, 9 Jan 2020 08:47:40 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:54364 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731186AbgAINrk (ORCPT ); Thu, 9 Jan 2020 08:47:40 -0500 Received: from [5.158.153.53] (helo=tip-bot2.lab.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1ipY9w-00033a-5t; Thu, 09 Jan 2020 14:47:36 +0100 Received: from [127.0.1.1] (localhost [IPv6:::1]) by tip-bot2.lab.linutronix.de (Postfix) with ESMTP id 552461C2CE2; Thu, 9 Jan 2020 14:47:35 +0100 (CET) Date: Thu, 09 Jan 2020 13:47:34 -0000 From: "tip-bot2 for Julia Lawall" Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: x86/cleanups] x86/crash: Use resource_size() Cc: Julia Lawall , Borislav Petkov , x86 , LKML In-Reply-To: <1577900990-8588-10-git-send-email-Julia.Lawall@inria.fr> References: <1577900990-8588-10-git-send-email-Julia.Lawall@inria.fr> MIME-Version: 1.0 Message-ID: <157857765487.30329.12185541615823835729.tip-bot2@tip-bot2> X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the x86/cleanups branch of tip: Commit-ID: 1429b568ad71943a374aa4a8d3772d5a8816ddba Gitweb: https://git.kernel.org/tip/1429b568ad71943a374aa4a8d3772d5a8816ddba Author: Julia Lawall AuthorDate: Wed, 01 Jan 2020 18:49:49 +01:00 Committer: Borislav Petkov CommitterDate: Thu, 09 Jan 2020 14:40:03 +01:00 x86/crash: Use resource_size() Use resource_size() rather than a verbose computation on the end and start fields. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) @@ struct resource ptr; @@ - (ptr.end - ptr.start + 1) + resource_size(&ptr) Signed-off-by: Julia Lawall Signed-off-by: Borislav Petkov Link: https://lkml.kernel.org/r/1577900990-8588-10-git-send-email-Julia.Lawall@inria.fr --- arch/x86/kernel/crash.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c index 00fc55a..fd87b59 100644 --- a/arch/x86/kernel/crash.c +++ b/arch/x86/kernel/crash.c @@ -370,7 +370,7 @@ int crash_setup_memmap_entries(struct kimage *image, struct boot_params *params) /* Add crashk_low_res region */ if (crashk_low_res.end) { ei.addr = crashk_low_res.start; - ei.size = crashk_low_res.end - crashk_low_res.start + 1; + ei.size = resource_size(&crashk_low_res); ei.type = E820_TYPE_RAM; add_e820_entry(params, &ei); }