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=-2.8 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 4A960C6778C for ; Fri, 6 Jul 2018 00:50:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F1621240BE for ; Fri, 6 Jul 2018 00:50:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F1621240BE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.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 S1753934AbeGFAuc (ORCPT ); Thu, 5 Jul 2018 20:50:32 -0400 Received: from mail-qt0-f194.google.com ([209.85.216.194]:41348 "EHLO mail-qt0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753661AbeGFAtx (ORCPT ); Thu, 5 Jul 2018 20:49:53 -0400 Received: by mail-qt0-f194.google.com with SMTP id y20-v6so8710580qto.8 for ; Thu, 05 Jul 2018 17:49:53 -0700 (PDT) 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=67hlObYZQvpyPrZPGFFFmsXvb23O2m/LLRXIOlSOTJM=; b=Wr7neszQUrvdPPIJmUHzzlM8Ycs3jBHHyAW/q62Y22CVLbbpZuJcoR4wKuRgmlm+Ch PvOHwYs4c3jkhTDx8rb9zZHqGN03r2mduM8YJwn9uRtzfAfD41aka0sg18wRrjsuW2m9 AV1HnHC8ypD7Uw8Ga5ZUCWvq5g6TjOBR1k/M10Sx1hP1DCVd6l78IrCrUuRexrbWTnRs y/MDE1s8pHH2mbKp9OZY69gXS8bQsXaT/ZXWNPT967FALdMAJezcEPl2qocoEDDaooFF 3Ja/9i694VL5omTCbGiSCLR5tx6efa5uVIUge2M7379YcMUtvF3gDvBKGqWOoDzutoxU 2eOA== X-Gm-Message-State: APt69E1xS8m3BVcDWytJtnux89TPYji2PraOPV1RtRTupYLMzZjS5/uM u48v+4I7bPRG2+83tm4+CWFR3w== X-Google-Smtp-Source: AAOMgpcDXPWsVG/BRvKvP0SpuDTAEA0xzeu22Bn+U90IrrehylHhNmdMOa7spPnsVyw7LNI5+ZBI2g== X-Received: by 2002:a0c:9351:: with SMTP id e17-v6mr6973648qve.4.1530838193023; Thu, 05 Jul 2018 17:49:53 -0700 (PDT) Received: from labbott-redhat.redhat.com ([2601:602:9802:a8dc::f0c1]) by smtp.gmail.com with ESMTPSA id q67-v6sm4675205qkb.16.2018.07.05.17.49.49 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 05 Jul 2018 17:49:50 -0700 (PDT) From: Laura Abbott To: Andy Lutomirski , mjw@fedoraproject.org, "H . J . Lu" , Masahiro Yamada Cc: Laura Abbott , Linus Torvalds , X86 ML , linux-kernel@vger.kernel.org, Nick Clifton , Cary Coutant , linux-kbuild@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Michael Ellerman , Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org Subject: [PATCHv6 2/4] x86: Add build salt to the vDSO Date: Thu, 5 Jul 2018 17:49:38 -0700 Message-Id: <20180706004940.32587-3-labbott@redhat.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180706004940.32587-1-labbott@redhat.com> References: <20180706004940.32587-1-labbott@redhat.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The vDSO needs to have a unique build id in a similar manner to the kernel and modules. Use the build salt macro. Acked-by: Andy Lutomirski Signed-off-by: Laura Abbott --- v6: Ack from Andy --- arch/x86/entry/vdso/vdso-note.S | 3 +++ arch/x86/entry/vdso/vdso32/note.S | 3 +++ 2 files changed, 6 insertions(+) diff --git a/arch/x86/entry/vdso/vdso-note.S b/arch/x86/entry/vdso/vdso-note.S index 79a071e4357e..79423170118f 100644 --- a/arch/x86/entry/vdso/vdso-note.S +++ b/arch/x86/entry/vdso/vdso-note.S @@ -3,6 +3,7 @@ * Here we can supply some information useful to userland. */ +#include #include #include #include @@ -10,3 +11,5 @@ ELFNOTE_START(Linux, 0, "a") .long LINUX_VERSION_CODE ELFNOTE_END + +BUILD_SALT diff --git a/arch/x86/entry/vdso/vdso32/note.S b/arch/x86/entry/vdso/vdso32/note.S index 9fd51f206314..e78047d119f6 100644 --- a/arch/x86/entry/vdso/vdso32/note.S +++ b/arch/x86/entry/vdso/vdso32/note.S @@ -4,6 +4,7 @@ * Here we can supply some information useful to userland. */ +#include #include #include @@ -14,6 +15,8 @@ ELFNOTE_START(Linux, 0, "a") .long LINUX_VERSION_CODE ELFNOTE_END +BUILD_SALT + #ifdef CONFIG_XEN /* * Add a special note telling glibc's dynamic linker a fake hardware -- 2.17.1