kbuild: trace functions in subdirectories of lib/
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
exists here in sub-directories of lib/ to keep the behavior of
commit 2464a609de ("ftrace: do not trace library functions").
Since that commit, not only the objects in lib/ but also the ones in
the sub-directories are excluded from ftrace (although the commit
description did not explicitly mention this).
However, most of library functions in sub-directories are not so hot.
Re-add them to ftrace.
Going forward, only the objects right under lib/ will be excluded.
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
zero-sugar-mainline-defconfig
Masahiro Yamada
parent
15d5761ad3
commit
b16838c608
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@ -1,6 +1,3 @@
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# SPDX-License-Identifier: GPL-2.0-only
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ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
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obj-$(CONFIG_842_COMPRESS) += 842_compress.o
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obj-$(CONFIG_842_DECOMPRESS) += 842_decompress.o
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@ -1,7 +1,5 @@
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# SPDX-License-Identifier: GPL-2.0
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ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
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# chacha is used by the /dev/random driver which is always builtin
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obj-y += chacha.o
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obj-$(CONFIG_CRYPTO_LIB_CHACHA_GENERIC) += libchacha.o
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@ -2,8 +2,6 @@
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# DIM Dynamic Interrupt Moderation library
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#
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ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
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obj-$(CONFIG_DIMLIB) += dim.o
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dim-y := dim.o net_dim.o rdma_dim.o
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@ -1,8 +1,6 @@
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# SPDX-License-Identifier: GPL-2.0
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# Font handling
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ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
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font-objs := fonts.o
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font-objs-$(CONFIG_FONT_SUN8x16) += font_sun8x16.o
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@ -1,6 +1,3 @@
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ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
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obj-$(CONFIG_KUNIT) += kunit.o
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kunit-objs += test.o \
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@ -2,8 +2,6 @@
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#
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# Makefile for livepatch test code.
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ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
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obj-$(CONFIG_TEST_LIVEPATCH) += test_klp_atomic_replace.o \
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test_klp_callbacks_demo.o \
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test_klp_callbacks_demo2.o \
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@ -14,7 +12,3 @@ obj-$(CONFIG_TEST_LIVEPATCH) += test_klp_atomic_replace.o \
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test_klp_state.o \
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test_klp_state2.o \
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test_klp_state3.o
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# Target modules to be livepatched require CC_FLAGS_FTRACE
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CFLAGS_test_klp_callbacks_busy.o += $(CC_FLAGS_FTRACE)
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CFLAGS_test_klp_callbacks_mod.o += $(CC_FLAGS_FTRACE)
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@ -1,6 +1,5 @@
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# SPDX-License-Identifier: GPL-2.0-only
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ccflags-y += -O3
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ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
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obj-$(CONFIG_LZ4_COMPRESS) += lz4_compress.o
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obj-$(CONFIG_LZ4HC_COMPRESS) += lz4hc_compress.o
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@ -1,6 +1,4 @@
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# SPDX-License-Identifier: GPL-2.0-only
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ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
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lzo_compress-objs := lzo1x_compress.o
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lzo_decompress-objs := lzo1x_decompress_safe.o
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@ -1,6 +1,4 @@
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# SPDX-License-Identifier: GPL-2.0-only
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ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
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obj-y += div64.o gcd.o lcm.o int_pow.o int_sqrt.o reciprocal_div.o
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obj-$(CONFIG_CORDIC) += cordic.o
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@ -3,8 +3,6 @@
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# MPI multiprecision maths library (from gpg)
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#
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ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
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obj-$(CONFIG_MPILIB) = mpi.o
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mpi-y = \
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@ -1,7 +1,4 @@
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# SPDX-License-Identifier: GPL-2.0
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ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
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obj-$(CONFIG_RAID6_PQ) += raid6_pq.o
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raid6_pq-y += algos.o recov.o tables.o int1.o int2.o int4.o \
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# This is a modified version of reed solomon lib,
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#
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ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
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obj-$(CONFIG_REED_SOLOMON) += reed_solomon.o
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obj-$(CONFIG_REED_SOLOMON_TEST) += test_rslib.o
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@ -1,7 +1,4 @@
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# SPDX-License-Identifier: GPL-2.0-only
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ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
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obj-$(CONFIG_XZ_DEC) += xz_dec.o
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xz_dec-y := xz_dec_syms.o xz_dec_stream.o xz_dec_lzma2.o
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xz_dec-$(CONFIG_XZ_DEC_BCJ) += xz_dec_bcj.o
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# decompression code.
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#
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ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
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obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate.o
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zlib_deflate-objs := deflate.o deftree.o deflate_syms.o
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# This is the code for s390 zlib hardware support.
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#
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ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
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obj-$(CONFIG_ZLIB_DFLTCC) += zlib_dfltcc.o
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zlib_dfltcc-objs := dfltcc.o dfltcc_deflate.o dfltcc_inflate.o dfltcc_syms.o
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@ -14,8 +14,6 @@
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# uncompression can be done without blocking on allocation).
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#
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ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
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obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate.o
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zlib_inflate-objs := inffast.o inflate.o infutil.o \
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@ -3,7 +3,6 @@ obj-$(CONFIG_ZSTD_COMPRESS) += zstd_compress.o
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obj-$(CONFIG_ZSTD_DECOMPRESS) += zstd_decompress.o
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ccflags-y += -O3
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ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
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zstd_compress-y := fse_compress.o huf_compress.o compress.o \
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entropy_common.o fse_decompress.o zstd_common.o
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