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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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edf072d36d
In preparation for arm64 supporting ftrace built on other compiler options, let's have the arm64 Makefiles remove the $(CC_FLAGS_FTRACE) flags, whatever these may be, rather than assuming '-pg'. There should be no functional change as a result of this patch. Reviewed-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Torsten Duwe <duwe@suse.de> Signed-off-by: Will Deacon <will.deacon@arm.com>
36 lines
1.5 KiB
Makefile
36 lines
1.5 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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lib-y := clear_user.o delay.o copy_from_user.o \
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copy_to_user.o copy_in_user.o copy_page.o \
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clear_page.o memchr.o memcpy.o memmove.o memset.o \
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memcmp.o strcmp.o strncmp.o strlen.o strnlen.o \
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strchr.o strrchr.o tishift.o
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ifeq ($(CONFIG_KERNEL_MODE_NEON), y)
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obj-$(CONFIG_XOR_BLOCKS) += xor-neon.o
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CFLAGS_REMOVE_xor-neon.o += -mgeneral-regs-only
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CFLAGS_xor-neon.o += -ffreestanding
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endif
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# Tell the compiler to treat all general purpose registers (with the
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# exception of the IP registers, which are already handled by the caller
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# in case of a PLT) as callee-saved, which allows for efficient runtime
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# patching of the bl instruction in the caller with an atomic instruction
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# when supported by the CPU. Result and argument registers are handled
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# correctly, based on the function prototype.
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lib-$(CONFIG_ARM64_LSE_ATOMICS) += atomic_ll_sc.o
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CFLAGS_atomic_ll_sc.o := -ffixed-x1 -ffixed-x2 \
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-ffixed-x3 -ffixed-x4 -ffixed-x5 -ffixed-x6 \
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-ffixed-x7 -fcall-saved-x8 -fcall-saved-x9 \
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-fcall-saved-x10 -fcall-saved-x11 -fcall-saved-x12 \
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-fcall-saved-x13 -fcall-saved-x14 -fcall-saved-x15 \
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-fcall-saved-x18 -fomit-frame-pointer
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CFLAGS_REMOVE_atomic_ll_sc.o := $(CC_FLAGS_FTRACE)
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GCOV_PROFILE_atomic_ll_sc.o := n
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KASAN_SANITIZE_atomic_ll_sc.o := n
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KCOV_INSTRUMENT_atomic_ll_sc.o := n
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UBSAN_SANITIZE_atomic_ll_sc.o := n
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lib-$(CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE) += uaccess_flushcache.o
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obj-$(CONFIG_CRC32) += crc32.o
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