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=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL 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 1276FC433B4 for ; Wed, 14 Apr 2021 21:45:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D300661042 for ; Wed, 14 Apr 2021 21:45:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232876AbhDNVqP (ORCPT ); Wed, 14 Apr 2021 17:46:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45202 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229520AbhDNVqN (ORCPT ); Wed, 14 Apr 2021 17:46:13 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED90AC061574 for ; Wed, 14 Apr 2021 14:45:51 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id c1-20020a5b0bc10000b02904e7c6399b20so125198ybr.12 for ; Wed, 14 Apr 2021 14:45:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=3tZuog4SLHhpY3z/paxkTsPCnEx+8O3qafW8rWHSl20=; b=oDg5/eyghmiYZFBxy2BnHB/r+LUvSsj2yKruJv+rqilNQM6dwrSQ0g7sPsJOgLSqL9 CBzKYzO27y9kQfpbCLg/xDva9W1JFVPGrwJsi8kgTr0lsVd0uU+c9jPK2XGMBkEqfbHC 8m1+6DdPb6kidvx+k9XsG/UrhjzlWoUgqiZh6BFVZiK3xfiNie4MFoZyhtl5xFRp//rI 6BUlGHR63Qj9h/KOw+QrnFKJikMLAyDEDIjet0iEpP1/0rTSMPZ3rABgdZtSqu2ge5fg eE+T/4e4rrkzEAGPSxOhvFAPtaeFV4MKfRkvFAb3fdH+rdw3mJVCYSw+KOM5FHaLAAOU xQMA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=3tZuog4SLHhpY3z/paxkTsPCnEx+8O3qafW8rWHSl20=; b=uBn0151SlCZ3FaU2JaD9EPYms2OKN5feMPkYzf8sGN/Ccp1Bu2/O6rMQ9Mm+VdauZe h8DrbNyfOmOjDp3eceDsZHHerr3HcT8jswsXAd6v9MArPRetQB4stq6tJEqe77QpHd6T Yv9sdf4eo4wcx6/586VeoG6MpLYGGQihVsrBGMzKpc26S4GMmrzEN2YNjOuGeL8Q+nzY U38rkTTuUjsQVbaavezf3HIOciZMnyKV/lA1PftkB4G9czaz9ufFYLLmNuijYK0cE78O IN4C0iTyseyxz62K3Q/yc0g6J6BonPb1W/2OnBy68pVjX+u9mXn2wSCjp4Q+PrHqeJpl OJ7g== X-Gm-Message-State: AOAM532zoyXqhNtjp6acI1Vxwl5/F8IHb93FgKm4+N+G2OGNdQSP/1LG HY4ZB6mG+Dnn7gzm3KyQO/j+LIc0StwxIcAyqlI= X-Google-Smtp-Source: ABdhPJwBULOkshK1bSSyx73ltUcgL3/lyV9Uo67fQ+9LPjaPjF0btDHX3w/AnLtnDoHA/IMhzuuUxU69aXweEyeNpQM= X-Received: from ndesaulniers1.mtv.corp.google.com ([2620:15c:211:202:7cc9:fe9f:6e17:380e]) (user=ndesaulniers job=sendgmr) by 2002:a25:4f06:: with SMTP id d6mr94731ybb.105.1618436750824; Wed, 14 Apr 2021 14:45:50 -0700 (PDT) Date: Wed, 14 Apr 2021 14:45:45 -0700 In-Reply-To: Message-Id: <20210414214548.700993-1-ndesaulniers@google.com> Mime-Version: 1.0 References: X-Mailer: git-send-email 2.31.1.295.g9ea45b61b8-goog Subject: [PATCH v2] arm64: vdso32: drop -no-integrated-as flag From: Nick Desaulniers To: Catalin Marinas , Will Deacon Cc: vincenzo.frascino@arm.com, Nick Desaulniers , Nathan Chancellor , Masahiro Yamada , Stephen Boyd , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Clang can assemble these files just fine; this is a relic from the top level Makefile conditionally adding this. We no longer need --prefix, --gcc-toolchain, or -Qunused-arguments flags either with this change, so remove those too. To test building: $ ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- \ CROSS_COMPILE_COMPAT=arm-linux-gnueabi- make LLVM=1 LLVM_IAS=1 \ defconfig arch/arm64/kernel/vdso32/ Suggested-by: Nathan Chancellor Signed-off-by: Nick Desaulniers --- Changes V1 -> V2: * Remove --prefix, --gcc-toolchain, COMPAT_GCC_TOOLCHAIN, and COMPAT_GCC_TOOLCHAIN_DIR as per Nathan. * Credit Nathan with Suggested-by tag. * Remove -Qunused-arguments. * Update commit message. arch/arm64/kernel/vdso32/Makefile | 8 -------- 1 file changed, 8 deletions(-) diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile index 789ad420f16b..3dba0c4f8f42 100644 --- a/arch/arm64/kernel/vdso32/Makefile +++ b/arch/arm64/kernel/vdso32/Makefile @@ -10,15 +10,7 @@ include $(srctree)/lib/vdso/Makefile # Same as cc-*option, but using CC_COMPAT instead of CC ifeq ($(CONFIG_CC_IS_CLANG), y) -COMPAT_GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE_COMPAT)elfedit)) -COMPAT_GCC_TOOLCHAIN := $(realpath $(COMPAT_GCC_TOOLCHAIN_DIR)/..) - CC_COMPAT_CLANG_FLAGS := --target=$(notdir $(CROSS_COMPILE_COMPAT:%-=%)) -CC_COMPAT_CLANG_FLAGS += --prefix=$(COMPAT_GCC_TOOLCHAIN_DIR)$(notdir $(CROSS_COMPILE_COMPAT)) -CC_COMPAT_CLANG_FLAGS += -no-integrated-as -Qunused-arguments -ifneq ($(COMPAT_GCC_TOOLCHAIN),) -CC_COMPAT_CLANG_FLAGS += --gcc-toolchain=$(COMPAT_GCC_TOOLCHAIN) -endif CC_COMPAT ?= $(CC) CC_COMPAT += $(CC_COMPAT_CLANG_FLAGS) -- 2.31.1.295.g9ea45b61b8-goog