From: Nathan Chancellor <nathan@kernel.org> To: Nick Desaulniers <ndesaulniers@google.com> Cc: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, vincenzo.frascino@arm.com, Masahiro Yamada <masahiroy@kernel.org>, Stephen Boyd <swboyd@chromium.org>, 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 Date: Wed, 14 Apr 2021 17:17:43 -0700 [thread overview] Message-ID: <YHeGJzhIhSFJLprr@archlinux-ax161> (raw) In-Reply-To: <20210414214548.700993-1-ndesaulniers@google.com> 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 <nathan@kernel.org> > Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org> > --- > 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 > >
WARNING: multiple messages have this Message-ID (diff)
From: Nathan Chancellor <nathan@kernel.org> To: Nick Desaulniers <ndesaulniers@google.com> Cc: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, vincenzo.frascino@arm.com, Masahiro Yamada <masahiroy@kernel.org>, Stephen Boyd <swboyd@chromium.org>, 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 Date: Wed, 14 Apr 2021 17:17:43 -0700 [thread overview] Message-ID: <YHeGJzhIhSFJLprr@archlinux-ax161> (raw) In-Reply-To: <20210414214548.700993-1-ndesaulniers@google.com> 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 <nathan@kernel.org> > Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org> > --- > 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
next prev parent reply other threads:[~2021-04-15 0:17 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-13 23:06 [PATCH] arm64: vdso32: drop -no-integrated-as flag Nick Desaulniers 2021-04-13 23:06 ` Nick Desaulniers 2021-04-13 23:12 ` Nathan Chancellor 2021-04-13 23:12 ` Nathan Chancellor 2021-04-14 21:45 ` [PATCH v2] " Nick Desaulniers 2021-04-14 21:45 ` Nick Desaulniers 2021-04-15 0:17 ` Nathan Chancellor [this message] 2021-04-15 0:17 ` Nathan Chancellor 2021-04-15 13:31 ` Vincenzo Frascino 2021-04-15 13:31 ` Vincenzo Frascino 2021-04-15 16:52 ` Nick Desaulniers 2021-04-15 16:52 ` Nick Desaulniers
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