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 D923BC04AA6 for ; Mon, 29 Apr 2019 15:29:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A779820673 for ; Mon, 29 Apr 2019 15:29:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=efficios.com header.i=@efficios.com header.b="Nrpqoa9j" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728594AbfD2P3o (ORCPT ); Mon, 29 Apr 2019 11:29:44 -0400 Received: from mail.efficios.com ([167.114.142.138]:56952 "EHLO mail.efficios.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728726AbfD2P3c (ORCPT ); Mon, 29 Apr 2019 11:29:32 -0400 Received: from localhost (ip6-localhost [IPv6:::1]) by mail.efficios.com (Postfix) with ESMTP id 3B62D1C1D62; Mon, 29 Apr 2019 11:29:31 -0400 (EDT) Received: from mail.efficios.com ([IPv6:::1]) by localhost (mail02.efficios.com [IPv6:::1]) (amavisd-new, port 10032) with ESMTP id p9RoDksJd3VB; Mon, 29 Apr 2019 11:29:30 -0400 (EDT) Received: from localhost (ip6-localhost [IPv6:::1]) by mail.efficios.com (Postfix) with ESMTP id 33C361C1D54; Mon, 29 Apr 2019 11:29:30 -0400 (EDT) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.efficios.com 33C361C1D54 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=efficios.com; s=default; t=1556551770; bh=NrYmcWK1JENLQfTnm5hunjxqei0iu4gkvN0xij/GAXA=; h=From:To:Date:Message-Id; b=Nrpqoa9jVXgNWfRVCKKCCvEhOCrK90AxUaqSIYSpXFVO7YsPsuPC2eRQQNCEYQE06 Qj7WqIYjC+i+iq+gp5wofXQQqM/KrTOumJ4BTLw6vsT36woOL/CF23E0PZQK0pH+2+ XsntWLAuMOe7TQWKbvyV2Pk6/y/TqvB+9coebRLXkgBkrJnoDJceuMAV6FLxABm3TU KjybPvnZy7WP5JgyBRTQWe3CURq9MSJ6LErNA0XVCZHwOaW8jOJpB0D8mH/NLgtccC oFQDZubDD7vsErymLY4a8qW8DM1twmD72MxPBOh4keCVqJ5j3BhYos8h1UnrNE2Z07 sitK3YeZaEeSQ== X-Virus-Scanned: amavisd-new at efficios.com Received: from mail.efficios.com ([IPv6:::1]) by localhost (mail02.efficios.com [IPv6:::1]) (amavisd-new, port 10026) with ESMTP id OdcJLEq7-MnB; Mon, 29 Apr 2019 11:29:30 -0400 (EDT) Received: from thinkos.internal.efficios.com (192-222-157-41.qc.cable.ebox.net [192.222.157.41]) by mail.efficios.com (Postfix) with ESMTPSA id 693791C1D2B; Mon, 29 Apr 2019 11:29:28 -0400 (EDT) From: Mathieu Desnoyers To: Shuah Khan Cc: linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, Thomas Gleixner , Peter Zijlstra , "Paul E . McKenney" , Boqun Feng , Andy Lutomirski , Dave Watson , Paul Turner , Andrew Morton , Russell King , Ingo Molnar , "H . Peter Anvin" , Andi Kleen , Chris Lameter , Ben Maurer , Steven Rostedt , Josh Triplett , Linus Torvalds , Catalin Marinas , Will Deacon , Michael Kerrisk , Joel Fernandes , Mathieu Desnoyers , Nick Desaulniers , linux-kselftest@vger.kernel.org Subject: [PATCH for 5.2 12/12] rseq/selftests: add -no-integrated-as for clang Date: Mon, 29 Apr 2019 11:28:03 -0400 Message-Id: <20190429152803.7719-13-mathieu.desnoyers@efficios.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20190429152803.7719-1-mathieu.desnoyers@efficios.com> References: <20190429152803.7719-1-mathieu.desnoyers@efficios.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ongoing work for asm goto support from clang requires the -no-integrated-as compiler flag. This compiler flag is present in the toplevel kernel Makefile, but is not replicated for selftests. Add it specifically for the rseq selftest which requires asm goto. Link: https://reviews.llvm.org/D56571 Signed-off-by: Mathieu Desnoyers CC: Nick Desaulniers CC: Thomas Gleixner CC: Joel Fernandes CC: Peter Zijlstra CC: Catalin Marinas CC: Dave Watson CC: Will Deacon CC: Shuah Khan CC: Andi Kleen CC: linux-kselftest@vger.kernel.org CC: "H . Peter Anvin" CC: Chris Lameter CC: Russell King CC: Michael Kerrisk CC: "Paul E . McKenney" CC: Paul Turner CC: Boqun Feng CC: Josh Triplett CC: Steven Rostedt CC: Ben Maurer CC: linux-api@vger.kernel.org CC: Andy Lutomirski CC: Andrew Morton CC: Linus Torvalds --- tools/testing/selftests/rseq/Makefile | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/rseq/Makefile b/tools/testing/selftests/rseq/Makefile index c30c52e1d0d2..d6469535630a 100644 --- a/tools/testing/selftests/rseq/Makefile +++ b/tools/testing/selftests/rseq/Makefile @@ -1,5 +1,11 @@ # SPDX-License-Identifier: GPL-2.0+ OR MIT -CFLAGS += -O2 -Wall -g -I./ -I../../../../usr/include/ -L./ -Wl,-rpath=./ + +ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),) +CLANG_FLAGS += -no-integrated-as +endif + +CFLAGS += -O2 -Wall -g -I./ -I../../../../usr/include/ -L./ -Wl,-rpath=./ \ + $(CLANG_FLAGS) LDLIBS += -lpthread # Own dependencies because we only want to build against 1st prerequisite, but -- 2.11.0