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=-13.1 required=3.0 tests=BAYES_00,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_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 D503BC433DF for ; Thu, 30 Jul 2020 08:27:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AE234204EA for ; Thu, 30 Jul 2020 08:27:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="aklJhmrD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729158AbgG3I1J (ORCPT ); Thu, 30 Jul 2020 04:27:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55746 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729002AbgG3I1I (ORCPT ); Thu, 30 Jul 2020 04:27:08 -0400 Received: from mail-pl1-x644.google.com (mail-pl1-x644.google.com [IPv6:2607:f8b0:4864:20::644]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7A64BC061794 for ; Thu, 30 Jul 2020 01:27:08 -0700 (PDT) Received: by mail-pl1-x644.google.com with SMTP id o1so13394032plk.1 for ; Thu, 30 Jul 2020 01:27:08 -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; bh=ytlVe9sZxGP/GyzK5t16szL2Z6Kr4xJ+2Bn7kTuz0dI=; b=aklJhmrDNqJpPXrQLz8erspyzDFRr2txAah3NT49bYgkhhMKzFYO4EgfbucHmSCpBC mtjfmDBYhWH+iQdDCvVpUtqEyvhoc0RbAjNrQsRIScUNNMHZfATUyrre1xu138gkgugo OKuXf5+yjRiD4Q0C/QL0U809NjxV0XjEjUhKvkUoe4jn7iTOxbsKyugN5edwqa4OcWy7 aFfyVbfXnDO8sRm32RYEOJyvaFcD7g72TTzncvS1+mdZVRxaKYoLA6psYuYFGU7d129N lSF2L2gqxLf+SnwRtPSjr8rp5MOyAAHRFbCVL5FLNsqUJeO0sFQM/vOP71me795CPOJh opAA== 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; bh=ytlVe9sZxGP/GyzK5t16szL2Z6Kr4xJ+2Bn7kTuz0dI=; b=UiK0a7f7PdKiDQ8i9ll00qJjLdyGCUyQWTPMbhgYk7QoNVd3SW/y+Nb4R8tWFjTdmk 0qNRnHXdxlrtzvWBg0kKbwDJBibmmSqo0vKXJB4NP+5FkEZqkIQQ8Vlk0E+WA5zDNc2P 2UHL+mCLtj2TCD/IV3Cmmwqezlk/ODAkh87pXu/MFzX5lf6iYtFZLXKcngW4raq0vdoF +7b050LBM4HMqkG4ly41S8xQlnrs44sTv/oW/ThofXWuJIWTXdM5V8LUe9+UEXScf5++ eegARsQI/Il37bWDlRoqZmtuZaJbJ4uh1g1h3g9D5y7FkKp/ujg4Imn0onHHJ9SzAS1O LHHw== X-Gm-Message-State: AOAM532QAYaPbrKHbF2cY7K1m3FEnScaZBcyZcjsUI+nYppvShphuaci RyLWglTDcr+1prGa6cQ3CA== X-Google-Smtp-Source: ABdhPJzg5uAiw9WYZREfbGe8Nmyc2zBfrzmvxoqDPF9+YWCQGN0vN+Xf5KblGrBnPnDfvwCtM+EPPg== X-Received: by 2002:a17:90b:f09:: with SMTP id br9mr9916108pjb.11.1596097627997; Thu, 30 Jul 2020 01:27:07 -0700 (PDT) Received: from mylaptop.redhat.com ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id h15sm5104315pjc.14.2020.07.30.01.27.04 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 30 Jul 2020 01:27:07 -0700 (PDT) From: Pingfan Liu To: x86@kernel.org Cc: Pingfan Liu , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Hans de Goede , Nick Desaulniers , Arvind Sankar , Steve Wahl , linux-kernel@vger.kernel.org Subject: [PATCH] x86/purgatory: strip debug info Date: Thu, 30 Jul 2020 16:26:49 +0800 Message-Id: <1596097609-14118-1-git-send-email-kernelfans@gmail.com> X-Mailer: git-send-email 2.7.5 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It is useless to keep debug info in purgatory. And discarding them saves about 200K space. Original: 259080 kexec-purgatory.o Stripped: 29152 kexec-purgatory.o Signed-off-by: Pingfan Liu Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: "H. Peter Anvin" Cc: Hans de Goede Cc: Nick Desaulniers Cc: Arvind Sankar Cc: Steve Wahl Cc: linux-kernel@vger.kernel.org To: x86@kernel.org --- arch/x86/purgatory/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile index 088bd76..4340ae6 100644 --- a/arch/x86/purgatory/Makefile +++ b/arch/x86/purgatory/Makefile @@ -16,7 +16,7 @@ CFLAGS_sha256.o := -D__DISABLE_EXPORTS # When linking purgatory.ro with -r unresolved symbols are not checked, # also link a purgatory.chk binary without -r to check for unresolved symbols. -PURGATORY_LDFLAGS := -e purgatory_start -nostdlib -z nodefaultlib +PURGATORY_LDFLAGS := -e purgatory_start -nostdlib -z nodefaultlib -S LDFLAGS_purgatory.ro := -r $(PURGATORY_LDFLAGS) LDFLAGS_purgatory.chk := $(PURGATORY_LDFLAGS) targets += purgatory.ro purgatory.chk -- 2.7.5