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Mark Brown 89d72c035f kselftest/arm64: Remove spurious comment from MTE test Makefile

There's a stray comment in the MTE test Makefile which documents
something that's since been removed, delete it.

Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/r/20230111-arm64-kselftest-clang-v1-6-89c69d377727@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

2023-01-20 14:30:46 +00:00

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SPDX-License-Identifier: GPL-2.0

Copyright (C) 2020 ARM Limited

CFLAGS += -std=gnu99 -I. -pthread LDFLAGS += -pthread SRCS := $(filter-out mte_common_util.c,$(wildcard *.c)) PROGS := $(patsubst %.c,%,$(SRCS))

ifeq ($(LLVM),)

For GCC check that the toolchain has MTE support.

preserve CC value from top level Makefile

ifeq ($(CC),cc) CC := $(CROSS_COMPILE)gcc endif

#check if the compiler works well mte_cc_support := $(shell if ($(CC) $(CFLAGS) -march=armv8.5-a+memtag -E -x c /dev/null -o /dev/null 2>&1) then echo "1"; fi)

else

All supported clang versions also support MTE.

mte_cc_support := 1

endif

ifeq ($(mte_cc_support),1)

Generated binaries to be installed by top KSFT script

TEST_GEN_PROGS := $(PROGS)

else $(warning compiler "$(CC)" does not support the ARMv8.5 MTE extension.) $(warning test program "mte" will not be created.) endif

Include KSFT lib.mk.

include ../../lib.mk

ifeq ($(mte_cc_support),1) $(TEST_GEN_PROGS): mte_common_util.c mte_helper.S endif

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