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bh=ukVJrdVkOwq7s65WfCu+IbNVo5nWb4FRanDkk1R0eWU=; b=f9yPhab32Oot82d0G78FhIWldVCzL+lPR7AuJ4TG23ZEfzFhs2Mdwzhlm254lwNtS0 c0CirX9ca7IisWwZmWyo9gp3qAbgN82FotGZLQE/logJhng7ceo+x2wgdyHtUY4iPj1H nV7YCrbwVe2kBkUbU/VdKo1D45uEjzAkhZpQoUoW9InCcGmH4042pbc1+o6tpFiuMRfR zpCw/BjnY9Rd7Hs7mvMNOH3EEZcAOtXhIWKxdZf2Xc3wryt8jDtIagJmDf/ScIzNyI/g crzZ6GE+cYMGWhwIKU6gaOANDlVanAatp9eMKTafVcF2In/awG4WoSRXGDcHvd4uY8Wj +X6g== X-Gm-Message-State: AOAM530DJKDq2kosGG+8pdWFNN5M4Jax/x4KEFoUcAdO4mqKNJO29WHs u66r/mGcjreKf4Ud9ssQ1M4V6NK4GRwbYJH7hyI= X-Google-Smtp-Source: ABdhPJwvkXHKfOKDXv7TdZP/XC53bbL67xijoP5ppU23m/8I1MNeirN/r6yWOhHwD85KJE5gfUAMaZOQ/MM8J7rgQ+o= X-Received: from ndesaulniers1.mtv.corp.google.com ([2620:15c:211:202:38ea:3e39:6c20:3a35]) (user=ndesaulniers job=sendgmr) by 2002:ad4:58e9:: with SMTP id di9mr4388482qvb.23.1618940671450; Tue, 20 Apr 2021 10:44:31 -0700 (PDT) Date: Tue, 20 Apr 2021 10:44:25 -0700 Message-Id: <20210420174427.230228-1-ndesaulniers@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.31.1.368.gbe11c130af-goog Subject: [PATCH v3] 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210420_104434_115239_53740421 X-CRM114-Status: UNSURE ( 9.42 ) X-CRM114-Notice: Please train this message. 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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 Reviewed-by: Nathan Chancellor Reviewed-by: Vincenzo Frascino Tested-by: Stephen Boyd Acked-by: Will Deacon --- Changes V2 -> V3: * Pick up reviewed by tags. 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)