From patchwork Fri Apr 13 05:06:35 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 133322 Delivered-To: patch@linaro.org Received: by 10.46.84.18 with SMTP id i18csp345788ljb; Thu, 12 Apr 2018 22:10:42 -0700 (PDT) X-Google-Smtp-Source: AIpwx48T5+3w3wLfz8C/UB81d69wSEKzEFu+1KgRuJCPNST4cel2kx/+WdkMXBG6PU7y3d4XPMwN X-Received: by 10.98.71.211 with SMTP id p80mr10102140pfi.136.1523596242771; Thu, 12 Apr 2018 22:10:42 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1523596242; cv=none; d=google.com; s=arc-20160816; b=nqP40Jgijw7cDV1q8xKicQnd/blI37r38curRbAIL6MfL88HGPdIn5Ede+bmp9Fauc 2zAsKDutmrMHRqSxHLTgT4sCeDPF2Tq9bE7wZkU/xZ/10Hw0XOR3R35u7PhAkNUKTsBn 51u8LhE9zRAqrGTC8mpogGDQ0f2KM9i8DSImaCmwke0KEPFHgQ0Wvfpo2pvV7unEwZJu Z+rfLgaw4BFEWAVDIhi/jLUXIzzqkpqFKweZikScuIiUwpIjDVLo6gFmYJXQp3DEpiM+ bOF4MYpjoLaOsfRx0sD8Ys4R/cvSTX92BhfSzLFwk42BNQM10+NzA79NxLlE+6NHDxIR RDjA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:dkim-signature:dkim-filter :arc-authentication-results; bh=qvSYT0Qsd4fODSL3H0Lyt/6V1ex5OeWERViDeMImAb8=; b=H5fpICkzRJkqTSyqqyNKzODK2d9hxhQNSbE0GwTn5hWjFpMxcViLKgvVBXLEt2WIwK aWBHOTmZ8JNArrnDIJQcSO+bFZokRttJhG2Ykhqd8Un0K/D9LDim6ALiFXzXL6bU34jQ fs25mFibfq8uEshrCEgn7GF0mGLRHpybOFRn+YwelsTqd7Ssf++rneFkUSQ6a5+Lnd/p 5AiaQRsM9GiHKtpFIRzNVPnXhlhy61AZdLLIHTE0sO9cB6cXpfk9mk2sNjZqKgnyg/hn 56/8pcQ79okEGrwFVf6I7VSW4xPx3wxu1LCFn2sX1XBaUnzCEAs2OHZofuERdPOJbxd9 iYlA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=BNzj4G6D; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id k9si3443994pgr.146.2018.04.12.22.10.42; Thu, 12 Apr 2018 22:10:42 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=BNzj4G6D; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753874AbeDMFKi (ORCPT + 29 others); Fri, 13 Apr 2018 01:10:38 -0400 Received: from conuserg-07.nifty.com ([210.131.2.74]:55144 "EHLO conuserg-07.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752849AbeDMFIh (ORCPT ); Fri, 13 Apr 2018 01:08:37 -0400 Received: from pug.e01.socionext.com (p14092-ipngnfx01kyoto.kyoto.ocn.ne.jp [153.142.97.92]) (authenticated) by conuserg-07.nifty.com with ESMTP id w3D56lgK029209; Fri, 13 Apr 2018 14:07:11 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-07.nifty.com w3D56lgK029209 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1523596031; bh=qvSYT0Qsd4fODSL3H0Lyt/6V1ex5OeWERViDeMImAb8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BNzj4G6DUtOYet7x9nw7TbMeRn3TMzkwkL30k4fSh3EXMc28/UWQiD3jElNyHUxGz 5XtmKbpql1uN+whlt48YOiREvPtOsUfc2ZjT4JMWI2k3IlejyVygXQI80NwbGUjZTT M1jrrYUzAT56Nel1njHhCGI3S4YoGTOvj+l9g1ZU3NDU6r6z6pgf5KmZIE64KOVTtd VtO3qFYoMmTMXf3RmHRvk2yydo8I/jCLvKgFW/GrkVQQJltewaFgGyv8Imr4Kuwerj yoX6dt15VPLgNvWg2sKDY1Vtt1TOsy0QOWUnDJ8mxVR5qwNbGXHeSnCywve5jhg5Ha R1v1Cb6+aT12g== X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: linux-kbuild@vger.kernel.org Cc: Linus Torvalds , Sam Ravnborg , Ulf Magnusson , Nicholas Piggin , Kees Cook , Emese Revfy , x86@kernel.org, Masahiro Yamada , linux-kernel@vger.kernel.org Subject: [PATCH 26/30] gcc-plugins: move GCC version check for PowerPC to Kconfig Date: Fri, 13 Apr 2018 14:06:35 +0900 Message-Id: <1523595999-27433-27-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1523595999-27433-1-git-send-email-yamada.masahiro@socionext.com> References: <1523595999-27433-1-git-send-email-yamada.masahiro@socionext.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For PowerPC, GCC 5.2 is the requirement for GCC plugins. Move the version check to Kconfig so that the GCC plugin menus will be hidden if an older compiler is in use. Signed-off-by: Masahiro Yamada Acked-by: Andrew Donnellan --- Changes in v3: - Move comment to Kconfig as well Changes in v2: None arch/powerpc/Kconfig | 2 +- scripts/Makefile.gcc-plugins | 8 -------- 2 files changed, 1 insertion(+), 9 deletions(-) -- 2.7.4 diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 73ce5dd..512fcc1 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -195,7 +195,7 @@ config PPC select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_TRACER - select HAVE_GCC_PLUGINS + select HAVE_GCC_PLUGINS if GCC_VERSION >= 50200 # plugin support on gcc <= 5.1 is buggy on PPC select HAVE_GENERIC_GUP select HAVE_HW_BREAKPOINT if PERF_EVENTS && (PPC_BOOK3S || PPC_8xx) select HAVE_IDE diff --git a/scripts/Makefile.gcc-plugins b/scripts/Makefile.gcc-plugins index 0ce3802..1e92353 100644 --- a/scripts/Makefile.gcc-plugins +++ b/scripts/Makefile.gcc-plugins @@ -53,14 +53,6 @@ gcc-plugins-check: FORCE ifdef CONFIG_GCC_PLUGINS ifeq ($(PLUGINCC),) ifneq ($(GCC_PLUGINS_CFLAGS),) - # Various gccs between 4.5 and 5.1 have bugs on powerpc due to missing - # header files. gcc <= 4.6 doesn't work at all, gccs from 4.8 to 5.1 have - # issues with 64-bit targets. - ifeq ($(ARCH),powerpc) - ifeq ($(call cc-ifversion, -le, 0501, y), y) - @echo "Cannot use CONFIG_GCC_PLUGINS: plugin support on gcc <= 5.1 is buggy on powerpc, please upgrade to gcc 5.2 or newer" >&2 && exit 1 - endif - endif ifeq ($(call cc-ifversion, -ge, 0405, y), y) $(Q)$(srctree)/scripts/gcc-plugin.sh --show-error "$(__PLUGINCC)" "$(HOSTCXX)" "$(CC)" || true @echo "Cannot use CONFIG_GCC_PLUGINS: your gcc installation does not support plugins, perhaps the necessary headers are missing?" >&2 && exit 1