From patchwork Fri Dec 14 08:05:37 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 153782 Delivered-To: patch@linaro.org Received: by 2002:a2e:299d:0:0:0:0:0 with SMTP id p29-v6csp1782370ljp; Fri, 14 Dec 2018 00:06:16 -0800 (PST) X-Google-Smtp-Source: AFSGD/WDCUueP4u9Rzz1c9rz8Wl3Bi6RuIk2agOKXbFf935VqEAlf4rFTZlfrdtgAlpzKZo2aKWN X-Received: by 2002:a17:902:6e0f:: with SMTP id u15mr1933525plk.175.1544774775961; Fri, 14 Dec 2018 00:06:15 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1544774775; cv=none; d=google.com; s=arc-20160816; b=OIzCfjhc3PU6rlI/vvQoXc6DC5/tZTvn7D6wdKyEBRHTIiLf+U6OK2S+OF0qvcCdpL PP1kYryAvU29zU2FRJuq874hQerW5XGQyfAFfy/LF2wrwohIOEAEPyc7diMMPbNQ55lv YBi+fcE4Dh+y7hWzC+xi1ZGFzn509JY8qtXS60WASKBhLK/x7WqywXcK1TC0cSuZdTHt qNVBT7kG0VtQzaWglhDo5Cu2xCnJc2wimofD8hWw8E+xVxWNt3fZwJ6umR0qhBwhv2qT 0/Ttp0zq08fWlReyZi4nz2+N8NHCWa1qr+fpXcWXQ5dDkCaZDFIq1WUHwSHwK5GAT6td 81SA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :dkim-signature:dkim-filter; bh=ArJU08QIaYQfsMfVzx2Mq0aAU+APf+PvHjRju2O0Aw4=; b=uIiVF045KuIrXRnz9r5zYkrXcy09GfuOGsZ/gir7seW8OXwLWQqoxngVog+dsX5/2f tqfU/HK3YyG2GWddWh5ESferG9szMv41QeJmu4FdJKP+mqUwDE2iW21c/j528laSUgp9 +6qt56AD8vApomlvzOjANIHVKQ8a5WE+2hZnTYgVaPq9zBsH9gakWnHMoEIY4fkeSkzb BUuH3r8OSNqC+Zeyhb8ye5MpyL96c+Jxal0lFQ4lEfTEaVRdb/7eDtAYPfuWl4ng3nnb G8F2qN8wfOn42b4fsmluKKjKCdOU6q3gDX+RhuI50rwT7I3eYdOib53aJY1XiN1e1JWy N/aA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=JaonNPXG; 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 x23si3544905pgj.247.2018.12.14.00.06.15; Fri, 14 Dec 2018 00:06:15 -0800 (PST) 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=JaonNPXG; 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 S1727856AbeLNIGN (ORCPT + 31 others); Fri, 14 Dec 2018 03:06:13 -0500 Received: from conuserg-08.nifty.com ([210.131.2.75]:28077 "EHLO conuserg-08.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727634AbeLNIGN (ORCPT ); Fri, 14 Dec 2018 03:06:13 -0500 Received: from pug.e01.socionext.com (p14092-ipngnfx01kyoto.kyoto.ocn.ne.jp [153.142.97.92]) (authenticated) by conuserg-08.nifty.com with ESMTP id wBE85gQS007194; Fri, 14 Dec 2018 17:05:42 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-08.nifty.com wBE85gQS007194 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1544774743; bh=ArJU08QIaYQfsMfVzx2Mq0aAU+APf+PvHjRju2O0Aw4=; h=From:To:Cc:Subject:Date:From; b=JaonNPXGoWQ6jrHHHisU8+Ps5kea5c26YXJrOkQhSVm7aVaHoyEwt5vB3Ayxf9trN Kf3bDiPpJamoPmQ2BcvMA1eI5BifJGdhECYQL0JfPvxCs54t+myHNpvvl6Mj6DEEng vA6MXTB8pBPsfx2SUvz51OmpBPu4M1y3BDcn88M24lHe6EIOwTWj5S17SG8hDd7BNQ fstwAiOCppv9Y8EhTnZlfLLoPxZNsZ9OPssFqo/fMpNENTQKJCBlfUiOmt893h9u3k ckpetzNe0hi0QcxYbgYcMEZiEgduNSfqyYMweUlb+/fckLFWKa/6ElRyjzPXmXLM3b D4jy0CnGcaTzQ== X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: linux-kbuild@vger.kernel.org Cc: Nick Desaulniers , Masahiro Yamada , Michal Marek , linux-kernel@vger.kernel.org Subject: [PATCH 1/3] kbuild: add -fno-PIE flag unconditionally Date: Fri, 14 Dec 2018 17:05:37 +0900 Message-Id: <1544774739-13471-1-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This flag is documented in the GCC 4.6 manual, and recognized by Clang as well. Let's rip off the cc-option switch. Signed-off-by: Masahiro Yamada --- Makefile | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) -- 2.7.4 Reviewed-by: Nick Desaulniers diff --git a/Makefile b/Makefile index f2c3423..3bbc16a 100644 --- a/Makefile +++ b/Makefile @@ -422,9 +422,9 @@ LINUXINCLUDE := \ -I$(objtree)/include \ $(USERINCLUDE) -KBUILD_AFLAGS := -D__ASSEMBLY__ +KBUILD_AFLAGS := -D__ASSEMBLY__ -fno-PIE KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ - -fno-strict-aliasing -fno-common -fshort-wchar \ + -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \ -Werror-implicit-function-declaration \ -Wno-format-security \ -std=gnu89 @@ -510,9 +510,6 @@ RETPOLINE_VDSO_CFLAGS := $(call cc-option,$(RETPOLINE_VDSO_CFLAGS_GCC),$(call cc export RETPOLINE_CFLAGS export RETPOLINE_VDSO_CFLAGS -KBUILD_CFLAGS += $(call cc-option,-fno-PIE) -KBUILD_AFLAGS += $(call cc-option,-fno-PIE) - # check for 'asm goto' ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y) CC_HAVE_ASM_GOTO := 1