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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>
This commit is contained in:
Masahiro Yamada 2020-07-07 18:21:17 +09:00
parent 15d5761ad3
commit b16838c608
17 changed files with 0 additions and 40 deletions
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3
lib/842/Makefile
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@ -1,6 +1,3 @@
# SPDX-License-Identifier: GPL-2.0-only # SPDX-License-Identifier: GPL-2.0-only
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
obj-$(CONFIG_842_COMPRESS) += 842_compress.o obj-$(CONFIG_842_COMPRESS) += 842_compress.o
obj-$(CONFIG_842_DECOMPRESS) += 842_decompress.o obj-$(CONFIG_842_DECOMPRESS) += 842_decompress.o

2
lib/crypto/Makefile
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@ -1,7 +1,5 @@
# SPDX-License-Identifier: GPL-2.0 # SPDX-License-Identifier: GPL-2.0
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
# chacha is used by the /dev/random driver which is always builtin # chacha is used by the /dev/random driver which is always builtin
obj-y += chacha.o obj-y += chacha.o
obj-$(CONFIG_CRYPTO_LIB_CHACHA_GENERIC) += libchacha.o obj-$(CONFIG_CRYPTO_LIB_CHACHA_GENERIC) += libchacha.o

2
lib/dim/Makefile
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@ -2,8 +2,6 @@
# DIM Dynamic Interrupt Moderation library # DIM Dynamic Interrupt Moderation library
# #
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
obj-$(CONFIG_DIMLIB) += dim.o obj-$(CONFIG_DIMLIB) += dim.o
dim-y := dim.o net_dim.o rdma_dim.o dim-y := dim.o net_dim.o rdma_dim.o

2
lib/fonts/Makefile
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@ -1,8 +1,6 @@
# SPDX-License-Identifier: GPL-2.0 # SPDX-License-Identifier: GPL-2.0
# Font handling # Font handling
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
font-objs := fonts.o font-objs := fonts.o
font-objs-$(CONFIG_FONT_SUN8x16) += font_sun8x16.o font-objs-$(CONFIG_FONT_SUN8x16) += font_sun8x16.o

3
lib/kunit/Makefile
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@ -1,6 +1,3 @@
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
obj-$(CONFIG_KUNIT) += kunit.o obj-$(CONFIG_KUNIT) += kunit.o
kunit-objs += test.o \ kunit-objs += test.o \

6
lib/livepatch/Makefile
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@ -2,8 +2,6 @@
# #
# Makefile for livepatch test code. # Makefile for livepatch test code.
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
obj-$(CONFIG_TEST_LIVEPATCH) += test_klp_atomic_replace.o \ obj-$(CONFIG_TEST_LIVEPATCH) += test_klp_atomic_replace.o \
test_klp_callbacks_demo.o \ test_klp_callbacks_demo.o \
test_klp_callbacks_demo2.o \ test_klp_callbacks_demo2.o \
@ -14,7 +12,3 @@ obj-$(CONFIG_TEST_LIVEPATCH) += test_klp_atomic_replace.o \
test_klp_state.o \ test_klp_state.o \
test_klp_state2.o \ test_klp_state2.o \
test_klp_state3.o test_klp_state3.o
# Target modules to be livepatched require CC_FLAGS_FTRACE
CFLAGS_test_klp_callbacks_busy.o += $(CC_FLAGS_FTRACE)
CFLAGS_test_klp_callbacks_mod.o += $(CC_FLAGS_FTRACE)

1
lib/lz4/Makefile
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@ -1,6 +1,5 @@
# SPDX-License-Identifier: GPL-2.0-only # SPDX-License-Identifier: GPL-2.0-only
ccflags-y += -O3 ccflags-y += -O3
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
obj-$(CONFIG_LZ4_COMPRESS) += lz4_compress.o obj-$(CONFIG_LZ4_COMPRESS) += lz4_compress.o
obj-$(CONFIG_LZ4HC_COMPRESS) += lz4hc_compress.o obj-$(CONFIG_LZ4HC_COMPRESS) += lz4hc_compress.o

2
lib/lzo/Makefile
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@ -1,6 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only # SPDX-License-Identifier: GPL-2.0-only
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
lzo_compress-objs := lzo1x_compress.o lzo_compress-objs := lzo1x_compress.o
lzo_decompress-objs := lzo1x_decompress_safe.o lzo_decompress-objs := lzo1x_decompress_safe.o

2
lib/math/Makefile
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@ -1,6 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only # SPDX-License-Identifier: GPL-2.0-only
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
obj-y += div64.o gcd.o lcm.o int_pow.o int_sqrt.o reciprocal_div.o obj-y += div64.o gcd.o lcm.o int_pow.o int_sqrt.o reciprocal_div.o
obj-$(CONFIG_CORDIC) += cordic.o obj-$(CONFIG_CORDIC) += cordic.o

2
lib/mpi/Makefile
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@ -3,8 +3,6 @@
# MPI multiprecision maths library (from gpg) # MPI multiprecision maths library (from gpg)
# #
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
obj-$(CONFIG_MPILIB) = mpi.o obj-$(CONFIG_MPILIB) = mpi.o
mpi-y = \ mpi-y = \

3
lib/raid6/Makefile
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@ -1,7 +1,4 @@
# SPDX-License-Identifier: GPL-2.0 # SPDX-License-Identifier: GPL-2.0
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
obj-$(CONFIG_RAID6_PQ) += raid6_pq.o obj-$(CONFIG_RAID6_PQ) += raid6_pq.o
raid6_pq-y += algos.o recov.o tables.o int1.o int2.o int4.o \ raid6_pq-y += algos.o recov.o tables.o int1.o int2.o int4.o \

2
lib/reed_solomon/Makefile
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@ -3,7 +3,5 @@
# This is a modified version of reed solomon lib, # This is a modified version of reed solomon lib,
# #
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
obj-$(CONFIG_REED_SOLOMON) += reed_solomon.o obj-$(CONFIG_REED_SOLOMON) += reed_solomon.o
obj-$(CONFIG_REED_SOLOMON_TEST) += test_rslib.o obj-$(CONFIG_REED_SOLOMON_TEST) += test_rslib.o

3
lib/xz/Makefile
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@ -1,7 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only # SPDX-License-Identifier: GPL-2.0-only
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
obj-$(CONFIG_XZ_DEC) += xz_dec.o obj-$(CONFIG_XZ_DEC) += xz_dec.o
xz_dec-y := xz_dec_syms.o xz_dec_stream.o xz_dec_lzma2.o xz_dec-y := xz_dec_syms.o xz_dec_stream.o xz_dec_lzma2.o
xz_dec-$(CONFIG_XZ_DEC_BCJ) += xz_dec_bcj.o xz_dec-$(CONFIG_XZ_DEC_BCJ) += xz_dec_bcj.o

2
lib/zlib_deflate/Makefile
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@ -7,8 +7,6 @@
# decompression code. # decompression code.
# #
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate.o obj-$(CONFIG_ZLIB_DEFLATE) += zlib_deflate.o
zlib_deflate-objs := deflate.o deftree.o deflate_syms.o zlib_deflate-objs := deflate.o deftree.o deflate_syms.o

2
lib/zlib_dfltcc/Makefile
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@ -6,8 +6,6 @@
# This is the code for s390 zlib hardware support. # This is the code for s390 zlib hardware support.
# #
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
obj-$(CONFIG_ZLIB_DFLTCC) += zlib_dfltcc.o obj-$(CONFIG_ZLIB_DFLTCC) += zlib_dfltcc.o
zlib_dfltcc-objs := dfltcc.o dfltcc_deflate.o dfltcc_inflate.o dfltcc_syms.o zlib_dfltcc-objs := dfltcc.o dfltcc_deflate.o dfltcc_inflate.o dfltcc_syms.o

2
lib/zlib_inflate/Makefile
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@ -14,8 +14,6 @@
# uncompression can be done without blocking on allocation). # uncompression can be done without blocking on allocation).
# #
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate.o obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate.o
zlib_inflate-objs := inffast.o inflate.o infutil.o \ zlib_inflate-objs := inffast.o inflate.o infutil.o \

1
lib/zstd/Makefile
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@ -3,7 +3,6 @@ obj-$(CONFIG_ZSTD_COMPRESS) += zstd_compress.o
obj-$(CONFIG_ZSTD_DECOMPRESS) += zstd_decompress.o obj-$(CONFIG_ZSTD_DECOMPRESS) += zstd_decompress.o
ccflags-y += -O3 ccflags-y += -O3
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
zstd_compress-y := fse_compress.o huf_compress.o compress.o \ zstd_compress-y := fse_compress.o huf_compress.o compress.o \
entropy_common.o fse_decompress.o zstd_common.o entropy_common.o fse_decompress.o zstd_common.o