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=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 C0033C282DA for ; Tue, 9 Apr 2019 21:26:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8C60E2147C for ; Tue, 9 Apr 2019 21:26:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=rasmusvillemoes.dk header.i=@rasmusvillemoes.dk header.b="dJkH3pTk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726947AbfDIV0Q (ORCPT ); Tue, 9 Apr 2019 17:26:16 -0400 Received: from mail-ed1-f68.google.com ([209.85.208.68]:34009 "EHLO mail-ed1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726771AbfDIV0B (ORCPT ); Tue, 9 Apr 2019 17:26:01 -0400 Received: by mail-ed1-f68.google.com with SMTP id x14so151665eds.1 for ; Tue, 09 Apr 2019 14:26:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rasmusvillemoes.dk; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=QJAxNVsdZpvgQ0lycDmUvZ/w5aUsw9h9L87n2JSUnEY=; b=dJkH3pTk5Euyl6AnuMTJVWpsHfbXhza0vHCBLB/kgIB/5IVjmFm+TZMTTZfA8ZCPIu yQiCbVbv4J51PAnNP5TOkxdC2ztuNqrvxYRVB3esWN7AnwbF6R+aA869+HMRaGeMp2ih 7g60BKCA5L44+IsOaByY2KVh0D8iMGvH9Yhro= 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:mime-version:content-transfer-encoding; bh=QJAxNVsdZpvgQ0lycDmUvZ/w5aUsw9h9L87n2JSUnEY=; b=hSNuzC28KpnWNv/LnIlqbOsUJIK8+h364RTV2FS+u4ZoznkN+gN8OIS/sVr4lyiY6L MNcS3rLneBOLBCtNHz93kjISlODqioskaIMvc6bxaF12GB0o+JBoZ949DSLSG8sGF9Ec mC5zaCtSvda8qcCBahTiJDhLXtG0vEqOMZkTxNQElk/6RvVbEI484RziQrxJjTVOnI64 NVZ0rjbh+jglgDK85LaMInVji7kCmc+3dzxUys0iEHAs6+XVJe/Gyqt+VPMq5/MPYIED UmUI3LatpdYwDckaSu7sWM3cfiMJYCzGihK1sRC/leK9EC/PHtRCMIzb/6u3Pn8O0muM xmOQ== X-Gm-Message-State: APjAAAVLI6u2byk4d/zh7bMcDX/nBeUHGuNTCa0t/TYQYePGSa23t1kl aoMtHfEUy0+nakvtE7ZBpyPbcg== X-Google-Smtp-Source: APXvYqx92lGbh5GjPk75seT6pvqLK58Ld7lPc1nByda+1LtFL6qiVgkxzGCRs7R0ZEXtFBJ7TZrwUA== X-Received: by 2002:a50:9438:: with SMTP id p53mr24334679eda.92.1554845160122; Tue, 09 Apr 2019 14:26:00 -0700 (PDT) Received: from prevas-ravi.prevas.se (ip-5-186-118-63.cgn.fibianet.dk. [5.186.118.63]) by smtp.gmail.com with ESMTPSA id i26sm3477986ejc.51.2019.04.09.14.25.59 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 09 Apr 2019 14:25:59 -0700 (PDT) From: Rasmus Villemoes To: Andrew Morton , linuxppc-dev@lists.ozlabs.org Cc: Jason Baron , linux-kernel@vger.kernel.org, Rasmus Villemoes , Michael Ellerman Subject: [PATCH 10/10] powerpc: select DYNAMIC_DEBUG_RELATIVE_POINTERS for PPC64 Date: Tue, 9 Apr 2019 23:25:17 +0200 Message-Id: <20190409212517.7321-11-linux@rasmusvillemoes.dk> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190409212517.7321-1-linux@rasmusvillemoes.dk> References: <20190409212517.7321-1-linux@rasmusvillemoes.dk> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Similar to GENERIC_BUG_RELATIVE_POINTERS, one can now relativize the four const char* members of struct _ddebug, thus saving 16 bytes per instance (one for each pr_debug(), dev_debug() etc. in a CONFIG_DYNAMIC_DEBUG kernel). The asm-generic implementation seems to work out-of-the-box, though this is only compile-tested. Signed-off-by: Rasmus Villemoes --- arch/powerpc/Kconfig | 1 + arch/powerpc/include/asm/Kbuild | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 2d0be82c3061..6821c8ae1d62 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -155,6 +155,7 @@ config PPC select BUILDTIME_EXTABLE_SORT select CLONE_BACKWARDS select DCACHE_WORD_ACCESS if PPC64 && CPU_LITTLE_ENDIAN + select DYNAMIC_DEBUG_RELATIVE_POINTERS if PPC64 select DYNAMIC_FTRACE if FUNCTION_TRACER select EDAC_ATOMIC_SCRUB select EDAC_SUPPORT diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild index a0c132bedfae..f332e202192a 100644 --- a/arch/powerpc/include/asm/Kbuild +++ b/arch/powerpc/include/asm/Kbuild @@ -3,6 +3,7 @@ generated-y += syscall_table_64.h generated-y += syscall_table_c32.h generated-y += syscall_table_spu.h generic-y += div64.h +generic-y += dynamic_debug.h generic-y += export.h generic-y += irq_regs.h generic-y += local64.h -- 2.20.1