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https://github.com/torvalds/linux
09 May 2025, 11:40:28 UTC
  • Code
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    • v5.15-rc7
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    • v5.14-rc7
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    • v5.14
    • v5.13-rc7
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    • v5.13
    • v5.12-rc8
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    • v5.11-rc7
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    • v5.11-rc5
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    • v5.11
    • v5.10-rc7
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    • v5.10-rc5
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    • v5.10
    • v5.9-rc8
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    • v5.9-rc6
    • v5.9-rc5
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    • v5.9-rc3
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    • v5.9-rc1
    • v5.9
    • v5.8-rc7
    • v5.8-rc6
    • v5.8-rc5
    • v5.8-rc4
    • v5.8-rc3
    • v5.8-rc2
    • v5.8-rc1
    • v5.8
    • v5.7-rc7
    • v5.7-rc6
    • v5.7-rc5
    • v5.7-rc4
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    • v5.7-rc1
    • v5.7
    • v5.6-rc7
    • v5.6-rc6
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    • v5.6-rc4
    • v5.6-rc3
    • v5.6-rc2
    • v5.6-rc1
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    • v5.5-rc7
    • v5.5-rc6
    • v5.5-rc5
    • v5.5-rc4
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    • v5.5-rc1
    • v5.5
    • v5.4-rc8
    • v5.4-rc7
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    • v5.4-rc5
    • v5.4-rc4
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    • v5.4-rc2
    • v5.4-rc1
    • v5.4
    • v5.3-rc8
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    • v5.3-rc5
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    • v5.3-rc3
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    • v5.3
    • v5.2-rc7
    • v5.2-rc6
    • v5.2-rc5
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    • v5.2-rc1
    • v5.2
    • v5.1-rc7
    • v5.1-rc6
    • v5.1-rc5
    • v5.1-rc4
    • v5.1-rc3
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    • v5.1
    • v5.0-rc8
    • v5.0-rc7
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    • v5.0-rc5
    • v5.0-rc4
    • v5.0-rc3
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    • v5.0
    • v4.20-rc7
    • v4.20-rc6
    • v4.20-rc5
    • v4.20-rc4
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    • v4.20-rc1
    • v4.20
    • v4.19-rc8
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    • v4.19-rc6
    • v4.19-rc5
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    • v4.19-rc3
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    • v4.19-rc1
    • v4.19
    • v4.18-rc8
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    • v4.18-rc6
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    • v4.18-rc4
    • v4.18-rc3
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    • v4.18
    • v4.17-rc7
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    • v4.17-rc4
    • v4.17-rc3
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    • v4.17-rc1
    • v4.17
    • v4.16-rc7
    • v4.16-rc6
    • v4.16-rc5
    • v4.16-rc4
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    • v4.16-rc1
    • v4.16
    • v4.15-rc9
    • v4.15-rc8
    • v4.15-rc7
    • v4.15-rc6
    • v4.15-rc5
    • v4.15-rc4
    • v4.15-rc3
    • v4.15-rc2
    • v4.15-rc1
    • v4.15
    • v4.14-rc8
    • v4.14-rc7
    • v4.14-rc6
    • v4.14-rc5
    • v4.14-rc4
    • v4.14-rc3
    • v4.14-rc2
    • v4.14-rc1
    • v4.14
    • v4.13-rc7
    • v4.13-rc6
    • v4.13-rc5
    • v4.13-rc4
    • v4.13-rc3
    • v4.13-rc2
    • v4.13-rc1
    • v4.13
    • v4.12-rc7
    • v4.12-rc6
    • v4.12-rc5
    • v4.12-rc4
    • v4.12-rc3
    • v4.12-rc2
    • v4.12-rc1
    • v4.12
    • v4.11-rc8
    • v4.11-rc7
    • v4.11-rc6
    • v4.11-rc5
    • v4.11-rc4
    • v4.11-rc3
    • v4.11-rc2
    • v4.11-rc1
    • v4.11
    • v4.10-rc8
    • v4.10-rc7
    • v4.10-rc6
    • v4.10-rc5
    • v4.10-rc4
    • v4.10-rc3
    • v4.10-rc2
    • v4.10-rc1
    • v4.10
    • v4.9-rc8
    • v4.9-rc7
    • v4.9-rc6
    • v4.9-rc5
    • v4.9-rc4
    • v4.9-rc3
    • v4.9-rc2
    • v4.9-rc1
    • v4.9
    • v4.8-rc8
    • v4.8-rc7
    • v4.8-rc6
    • v4.8-rc5
    • v4.8-rc4
    • v4.8-rc3
    • v4.8-rc2
    • v4.8-rc1
    • v4.8
    • v4.7-rc7
    • v4.7-rc6
    • v4.7-rc5
    • v4.7-rc4
    • v4.7-rc3
    • v4.7-rc2
    • v4.7-rc1
    • v4.7
    • v4.6-rc7
    • v4.6-rc6
    • v4.6-rc5
    • v4.6-rc4
    • v4.6-rc3
    • v4.6-rc2
    • v4.6-rc1
    • v4.6
    • v4.5-rc7
    • v4.5-rc6
    • v4.5-rc5
    • v4.5-rc4
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    • v4.5-rc2
    • v4.5-rc1
    • v4.5
    • v4.4-rc8
    • v4.4-rc7
    • v4.4-rc6
    • v4.4-rc5
    • v4.4-rc4
    • v4.4-rc3
    • v4.4-rc2
    • v4.4-rc1
    • v4.4
    • v4.3-rc7
    • v4.3-rc6
    • v4.3-rc5
    • v4.3-rc4
    • v4.3-rc3
    • v4.3-rc2
    • v4.3-rc1
    • v4.3
    • v4.2-rc8
    • v4.2-rc7
    • v4.2-rc6
    • v4.2-rc5
    • v4.2-rc4
    • v4.2-rc3
    • v4.2-rc2
    • v4.2-rc1
    • v4.2
    • v4.1-rc8
    • v4.1-rc7
    • v4.1-rc6
    • v4.1-rc5
    • v4.1-rc4
    • v4.1-rc3
    • v4.1-rc2
    • v4.1-rc1
    • v4.1
    • v4.0-rc7
    • v4.0-rc6
    • v4.0-rc5
    • v4.0-rc4
    • v4.0-rc3
    • v4.0-rc2
    • v4.0-rc1
    • v4.0
    • v3.19-rc7
    • v3.19-rc6
    • v3.19-rc5
    • v3.19-rc4
    • v3.19-rc3
    • v3.19-rc2
    • v3.19-rc1
    • v3.19
    • v3.18-rc7
    • v3.18-rc6
    • v3.18-rc5
    • v3.18-rc4
    • v3.18-rc3
    • v3.18-rc2
    • v3.18-rc1
    • v3.18
    • v3.17-rc7
    • v3.17-rc6
    • v3.17-rc5
    • v3.17-rc4
    • v3.17-rc3
    • v3.17-rc2
    • v3.17-rc1
    • v3.17
    • v3.16-rc7
    • v3.16-rc6
    • v3.16-rc5
    • v3.16-rc4
    • v3.16-rc3
    • v3.16-rc2
    • v3.16-rc1
    • v3.16
    • v3.15-rc8
    • v3.15-rc7
    • v3.15-rc6
    • v3.15-rc5
    • v3.15-rc4
    • v3.15-rc3
    • v3.15-rc2
    • v3.15-rc1
    • v3.15
    • v3.14-rc8
    • v3.14-rc7
    • v3.14-rc6
    • v3.14-rc5
    • v3.14-rc4
    • v3.14-rc3
    • v3.14-rc2
    • v3.14-rc1
    • v3.14
    • v3.13-rc8
    • v3.13-rc7
    • v3.13-rc6
    • v3.13-rc5
    • v3.13-rc4
    • v3.13-rc3
    • v3.13-rc2
    • v3.13-rc1
    • v3.13
    • v3.12-rc7
    • v3.12-rc6
    • v3.12-rc5
    • v3.12-rc4
    • v3.12-rc3
    • v3.12-rc2
    • v3.12-rc1
    • v3.12
    • v3.11-rc7
    • v3.11-rc6
    • v3.11-rc5
    • v3.11-rc4
    • v3.11-rc3
    • v3.11-rc2
    • v3.11-rc1
    • v3.11
    • v3.10-rc7
    • v3.10-rc6
    • v3.10-rc5
    • v3.10-rc4
    • v3.10-rc3
    • v3.10-rc2
    • v3.10-rc1
    • v3.10
    • v3.9-rc8
    • v3.9-rc7
    • v3.9-rc6
    • v3.9-rc5
    • v3.9-rc4
    • v3.9-rc3
    • v3.9-rc2
    • v3.9-rc1
    • v3.9
    • v3.8-rc7
    • v3.8-rc6
    • v3.8-rc5
    • v3.8-rc4
    • v3.8-rc3
    • v3.8-rc2
    • v3.8-rc1
    • v3.8
    • v3.7-rc8
    • v3.7-rc7
    • v3.7-rc6
    • v3.7-rc5
    • v3.7-rc4
    • v3.7-rc3
    • v3.7-rc2
    • v3.7-rc1
    • v3.7
    • v3.6-rc7
    • v3.6-rc6
    • v3.6-rc5
    • v3.6-rc4
    • v3.6-rc3
    • v3.6-rc2
    • v3.6-rc1
    • v3.6
    • v3.5-rc7
    • v3.5-rc6
    • v3.5-rc5
    • v3.5-rc4
    • v3.5-rc3
    • v3.5-rc2
    • v3.5-rc1
    • v3.5
    • v3.4-rc7
    • v3.4-rc6
    • v3.4-rc5
    • v3.4-rc4
    • v3.4-rc3
    • v3.4-rc2
    • v3.4-rc1
    • v3.4
    • v3.3-rc7
    • v3.3-rc6
    • v3.3-rc5
    • v3.3-rc4
    • v3.3-rc3
    • v3.3-rc2
    • v3.3-rc1
    • v3.3
    • v3.2-rc7
    • v3.2-rc6
    • v3.2-rc5
    • v3.2-rc4
    • v3.2-rc3
    • v3.2-rc2
    • v3.2-rc1
    • v3.2
    • v3.1-rc10
    • v3.1-rc9
    • v3.1-rc8
    • v3.1-rc7
    • v3.1-rc6
    • v3.1-rc5
    • v3.1-rc4
    • v3.1-rc3
    • v3.1-rc2
    • v3.1-rc1
    • v3.1
    • v3.0-rc7
    • v3.0-rc6
    • v3.0-rc5
    • v3.0-rc4
    • v3.0-rc3
    • v3.0-rc2
    • v3.0-rc1
    • v3.0
    • v2.6.39-rc7
    • v2.6.39-rc6
    • v2.6.39-rc5
    • v2.6.39-rc4
    • v2.6.39-rc3
    • v2.6.39-rc2
    • v2.6.39-rc1
    • v2.6.39
    • v2.6.38-rc8
    • v2.6.38-rc7
    • v2.6.38-rc6
    • v2.6.38-rc5
    • v2.6.38-rc4
    • v2.6.38-rc3
    • v2.6.38-rc2
    • v2.6.38-rc1
    • v2.6.38
    • v2.6.37-rc8
    • v2.6.37-rc7
    • v2.6.37-rc6
    • v2.6.37-rc5
    • v2.6.37-rc4
    • v2.6.37-rc3
    • v2.6.37-rc2
    • v2.6.37-rc1
    • v2.6.37
    • v2.6.36-rc8
    • v2.6.36-rc7
    • v2.6.36-rc6
    • v2.6.36-rc5
    • v2.6.36-rc4
    • v2.6.36-rc3
    • v2.6.36-rc2
    • v2.6.36-rc1
    • v2.6.36
    • v2.6.35-rc6
    • v2.6.35-rc5
    • v2.6.35-rc4
    • v2.6.35-rc3
    • v2.6.35-rc2
    • v2.6.35-rc1
    • v2.6.35
    • v2.6.34-rc7
    • v2.6.34-rc6
    • v2.6.34-rc5
    • v2.6.34-rc4
    • v2.6.34-rc3
    • v2.6.34-rc2
    • v2.6.34-rc1
    • v2.6.34
    • v2.6.33-rc8
    • v2.6.33-rc7
    • v2.6.33-rc6
    • v2.6.33-rc5
    • v2.6.33-rc4
    • v2.6.33-rc3
    • v2.6.33-rc2
    • v2.6.33-rc1
    • v2.6.33
    • v2.6.32-rc8
    • v2.6.32-rc7
    • v2.6.32-rc6
    • v2.6.32-rc5
    • v2.6.32-rc4
    • v2.6.32-rc3
    • v2.6.32-rc1
    • v2.6.32
    • v2.6.31-rc9
    • v2.6.31-rc8
    • v2.6.31-rc7
    • v2.6.31-rc6
    • v2.6.31-rc5
    • v2.6.31-rc4
    • v2.6.31-rc3
    • v2.6.31-rc2
    • v2.6.31-rc1
    • v2.6.31
    • v2.6.30-rc8
    • v2.6.30-rc7
    • v2.6.30-rc6
    • v2.6.30-rc5
    • v2.6.30-rc4
    • v2.6.30-rc3
    • v2.6.30-rc2
    • v2.6.30-rc1
    • v2.6.30
    • v2.6.29-rc8
    • v2.6.29-rc7
    • v2.6.29-rc6
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Generate software citation in BibTex format (requires biblatex-software package)
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Generate software citation in BibTex format (requires biblatex-software package)
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Generate software citation in BibTex format (requires biblatex-software package)
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Generate software citation in BibTex format (requires biblatex-software package)
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Generate software citation in BibTex format (requires biblatex-software package)
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Tip revision: cbfe8fa6cd672011c755c3cd85c9ffd4e2d10a6f authored by Linus Torvalds on 26 July 2015, 19:26:21 UTC
Linux 4.2-rc4
Tip revision: cbfe8fa
Kbuild
#
# Kbuild for top-level directory of the kernel
# This file takes care of the following:
# 1) Generate bounds.h
# 2) Generate timeconst.h
# 3) Generate asm-offsets.h (may need bounds.h and timeconst.h)
# 4) Check for missing system calls

# Default sed regexp - multiline due to syntax constraints
define sed-y
	"/^->/{s:->#\(.*\):/* \1 */:; \
	s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \
	s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
	s:->::; p;}"
endef

# Use filechk to avoid rebuilds when a header changes, but the resulting file
# does not
define filechk_offsets
	(set -e; \
	 echo "#ifndef $2"; \
	 echo "#define $2"; \
	 echo "/*"; \
	 echo " * DO NOT MODIFY."; \
	 echo " *"; \
	 echo " * This file was generated by Kbuild"; \
	 echo " */"; \
	 echo ""; \
	 sed -ne $(sed-y); \
	 echo ""; \
	 echo "#endif" )
endef

#####
# 1) Generate bounds.h

bounds-file := include/generated/bounds.h

always  := $(bounds-file)
targets := kernel/bounds.s

# We use internal kbuild rules to avoid the "is up to date" message from make
kernel/bounds.s: kernel/bounds.c FORCE
	$(Q)mkdir -p $(dir $@)
	$(call if_changed_dep,cc_s_c)

$(obj)/$(bounds-file): kernel/bounds.s FORCE
	$(call filechk,offsets,__LINUX_BOUNDS_H__)

#####
# 2) Generate timeconst.h

timeconst-file := include/generated/timeconst.h

targets += $(timeconst-file)

quiet_cmd_gentimeconst = GEN     $@
define cmd_gentimeconst
	(echo $(CONFIG_HZ) | bc -q $< ) > $@
endef
define filechk_gentimeconst
	(echo $(CONFIG_HZ) | bc -q $< )
endef

$(obj)/$(timeconst-file): kernel/time/timeconst.bc FORCE
	$(call filechk,gentimeconst)

#####
# 3) Generate asm-offsets.h
#

offsets-file := include/generated/asm-offsets.h

always  += $(offsets-file)
targets += arch/$(SRCARCH)/kernel/asm-offsets.s

# We use internal kbuild rules to avoid the "is up to date" message from make
arch/$(SRCARCH)/kernel/asm-offsets.s: arch/$(SRCARCH)/kernel/asm-offsets.c \
                                      $(obj)/$(timeconst-file) $(obj)/$(bounds-file) FORCE
	$(Q)mkdir -p $(dir $@)
	$(call if_changed_dep,cc_s_c)

$(obj)/$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE
	$(call filechk,offsets,__ASM_OFFSETS_H__)

#####
# 4) Check for missing system calls
#

always += missing-syscalls
targets += missing-syscalls

quiet_cmd_syscalls = CALL    $<
      cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags)

missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE
	$(call cmd,syscalls)

# Keep these three files during make clean
no-clean-files := $(bounds-file) $(offsets-file) $(timeconst-file)

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