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Thu, 15 Apr 2021 00:17:50 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8894161158; Thu, 15 Apr 2021 00:17:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1618445868; bh=3tKMa9OM+j6Bp1Khy/F8FqbFzD18WEmNIoiuFi/JtKc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=syL0Jg0utGBRZBybe+TlxsYLruJttWQPS3KodBhGYTmFhOxLBy7HCOYsUGA7hJJAk +KQ6D+gMhVEwcTHQQ9MusEiaNHp2fKjuIzrJ1RU1eBePvEQoPQ9+exI1ZLrm910wY8 yhH6gUih86XWrEc8xcPH+lOcP22yfK77rOXyugn010ajAax2gMSAzzzuDsARSDfruG IhTfA+z7djVb5vkjsf5Qf6a5UEu5wnGqWUm7wx791xySsAyDO6pi1XApOBCDy4eWoE kI/kqMBvpf75A0wpI/lioCIRXlJR54xBtLt4zgnEVE3GKDF9jeNi2xUxoNqcN5d64p kh5NRBo3fvjqw== Date: Wed, 14 Apr 2021 17:17:43 -0700 From: Nathan Chancellor To: Nick Desaulniers Cc: Catalin Marinas , Will Deacon , vincenzo.frascino@arm.com, Masahiro Yamada , Stephen Boyd , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com Subject: Re: [PATCH v2] arm64: vdso32: drop -no-integrated-as flag Message-ID: References: <20210414214548.700993-1-ndesaulniers@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210414214548.700993-1-ndesaulniers@google.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210414_171748_915677_56018CFA X-CRM114-Status: GOOD ( 13.56 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Apr 14, 2021 at 02:45:45PM -0700, Nick Desaulniers wrote: > 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 Reviewed-by: Nathan Chancellor > --- > 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 > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel