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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,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 09843C67863 for ; Wed, 24 Oct 2018 11:57:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CBAFD20824 for ; Wed, 24 Oct 2018 11:57:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CBAFD20824 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.cz 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 S1727606AbeJXUZR (ORCPT ); Wed, 24 Oct 2018 16:25:17 -0400 Received: from mx2.suse.de ([195.135.220.15]:36698 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726428AbeJXUZR (ORCPT ); Wed, 24 Oct 2018 16:25:17 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 25099AE98; Wed, 24 Oct 2018 11:57:26 +0000 (UTC) Date: Wed, 24 Oct 2018 13:57:24 +0200 (CEST) From: Miroslav Benes To: Jessica Yu cc: Torsten Duwe , Will Deacon , Catalin Marinas , Julien Thierry , Steven Rostedt , Josh Poimboeuf , Ingo Molnar , Ard Biesheuvel , Arnd Bergmann , AKASHI Takahiro , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, live-patching@vger.kernel.org Subject: Re: [PATCH] arm64/module: use mod->klp_info section header information In-Reply-To: <20181023175553.gaobskk26koft6s2@linux-8ccs> Message-ID: References: <20181001140910.086E768BC7@newverein.lst.de> <20181001141652.5478C68BE1@newverein.lst.de> <20181023175553.gaobskk26koft6s2@linux-8ccs> User-Agent: Alpine 2.21 (LSU 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 23 Oct 2018, Jessica Yu wrote: > diff --git a/arch/arm64/kernel/module-plts.c b/arch/arm64/kernel/module-plts.c > index f0690c2ca3e0..05067717dfc5 100644 > --- a/arch/arm64/kernel/module-plts.c > +++ b/arch/arm64/kernel/module-plts.c > @@ -210,9 +210,15 @@ int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr > *sechdrs, > * entries. Record the symtab address as well. > */ > for (i = 0; i < ehdr->e_shnum; i++) { > - if (!strcmp(secstrings + sechdrs[i].sh_name, ".plt")) > + if (!strcmp(secstrings + sechdrs[i].sh_name, ".plt")) { > mod->arch.core.plt = sechdrs + i; > - else if (!strcmp(secstrings + sechdrs[i].sh_name, > ".init.plt")) > + /* > + * Keep the section index for the .plt section for > + * livepatching. Note that .init.plt is irrelevant to > + * livepatch, so only the shndx for .plt is saved. > + */ > + mod->arch.core.plt_shndx = i; > + } else if (!strcmp(secstrings + sechdrs[i].sh_name, > ".init.plt")) Else branches should have braces now too according to the coding style. Otherwise it looks good to me. Thanks, Miroslav