This is a note to let you know that I've just added the patch titled arm64: vdso32: drop -no-integrated-as flag to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: arm64-vdso32-drop-no-integrated-as-flag.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From ef94340583eec5cb1544dc41a87baa4f684b3fe1 Mon Sep 17 00:00:00 2001 From: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> Date: Tue, 20 Apr 2021 10:44:25 -0700 Subject: arm64: vdso32: drop -no-integrated-as flag From: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> commit ef94340583eec5cb1544dc41a87baa4f684b3fe1 upstream. 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@xxxxxxxxxx> Signed-off-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> Reviewed-by: Nathan Chancellor <nathan@xxxxxxxxxx> Reviewed-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx> Tested-by: Stephen Boyd <swboyd@xxxxxxxxxxxx> Acked-by: Will Deacon <will@xxxxxxxxxx> Link: https://lore.kernel.org/r/20210420174427.230228-1-ndesaulniers@xxxxxxxxxx Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/arm64/kernel/vdso32/Makefile | 8 -------- 1 file changed, 8 deletions(-) --- 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) Patches currently in stable-queue which might be from ndesaulniers@xxxxxxxxxx are queue-5.10/arm64-vdso32-drop-no-integrated-as-flag.patch queue-5.10/arm64-vdso32-require-cross_compile_compat-for-gcc-bfd.patch