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[209.132.180.67]) by mx.google.com with ESMTP id y26-v6si13110609pfn.111.2018.07.31.03.10.06; Tue, 31 Jul 2018 03:10:21 -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; 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 S1731511AbeGaLsw (ORCPT + 99 others); Tue, 31 Jul 2018 07:48:52 -0400 Received: from foss.arm.com ([217.140.101.70]:51620 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727409AbeGaLsw (ORCPT ); Tue, 31 Jul 2018 07:48:52 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 270BC1596; Tue, 31 Jul 2018 03:09:17 -0700 (PDT) Received: from edgewater-inn.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id ECD893F5BA; Tue, 31 Jul 2018 03:09:16 -0700 (PDT) Received: by edgewater-inn.cambridge.arm.com (Postfix, from userid 1000) id D03A71AE17A1; Tue, 31 Jul 2018 11:09:18 +0100 (BST) Date: Tue, 31 Jul 2018 11:09:18 +0100 From: Will Deacon To: Stephen Rothwell Cc: Kees Cook , Linux-Next Mailing List , Linux Kernel Mailing List , Alexander Popov , Catalin Marinas , Laura Abbott Subject: Re: linux-next: build failure after merge of the kspp tree Message-ID: <20180731100918.GC23281@arm.com> References: <20180727190207.7ce1c9b0@canb.auug.org.au> <20180727190647.3525f5f7@canb.auug.org.au> <20180727205511.7c0f2e62@canb.auug.org.au> <20180727125522.GA6173@arm.com> <20180730173356.694fbf4e@canb.auug.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180730173356.694fbf4e@canb.auug.org.au> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 30, 2018 at 05:33:56PM +1000, Stephen Rothwell wrote: > On Fri, 27 Jul 2018 13:55:22 +0100 Will Deacon wrote: > > Thanks, Stephen. I managed to reproduce this by merging for-next/kspp from > > Kees's tree and for-next/core from the arm64 tree. The failure happens when > > building the EFI stub, so the commit you mention above is almost certainly > > the culprit. > > > > We build the stub with the following GCC invocation: > > > > gcc -Wp,-MD,drivers/firmware/efi/libstub/.efi-stub-helper.o.d -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -I./arch/x86/include -I./arch/x86/include/generated -I./include -I./arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/kconfig.h -include ./include/linux/compiler_types.h -D__KERNEL__ -mcmodel=small -m64 -D__KERNEL__ -O2 -fPIC -fno-strict-aliasing -mno-red-zone -mno-mmx -mno-sse -fshort-wchar -DDISABLE_BRANCH_PROFILING -D__NO_FORTIFY -ffreestanding -fno-stack-protector -fplugin-arg-stackleak_plugin-disable -fno-builtin -DKBUILD_BASENAME='"efi_stub_helper"' -DKBUILD_MODNAME='"efi_stub_helper"' -c -o drivers/firmware/efi/libstub/.tmp_efi-stub-helper.o drivers/firmware/efi/libstub/efi-stub-helper.c > > > > so given that we're not passing any -fplugin= option anyway (because we > > override KBUILD_CFLAGS for the stub), I don't understand why we need > > to the disable option at all. > > > > Laura? > > So today I am just trying reverting that arm64 tree commit. I've pushed out Laura's fix to the arm64 for-next/core branch, so this should be resolved in the next next. Will