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-rw-r--r--scripts/Kbuild.include13
-rw-r--r--scripts/Makefile.build32
-rw-r--r--scripts/Makefile.clang35
-rw-r--r--scripts/Makefile.lib21
-rw-r--r--scripts/Makefile.modfinal21
-rw-r--r--scripts/Makefile.modpost22
-rwxr-xr-xscripts/adjust_autoksyms.sh4
-rwxr-xr-xscripts/as-version.sh8
-rwxr-xr-xscripts/atomic/check-atomics.sh6
-rwxr-xr-xscripts/atomic/fallbacks/acquire4
-rwxr-xr-xscripts/atomic/fallbacks/add_negative6
-rwxr-xr-xscripts/atomic/fallbacks/add_unless6
-rwxr-xr-xscripts/atomic/fallbacks/andnot4
-rwxr-xr-xscripts/atomic/fallbacks/dec4
-rwxr-xr-xscripts/atomic/fallbacks/dec_and_test6
-rwxr-xr-xscripts/atomic/fallbacks/dec_if_positive6
-rwxr-xr-xscripts/atomic/fallbacks/dec_unless_positive6
-rwxr-xr-xscripts/atomic/fallbacks/fence4
-rwxr-xr-xscripts/atomic/fallbacks/fetch_add_unless8
-rwxr-xr-xscripts/atomic/fallbacks/inc4
-rwxr-xr-xscripts/atomic/fallbacks/inc_and_test6
-rwxr-xr-xscripts/atomic/fallbacks/inc_not_zero6
-rwxr-xr-xscripts/atomic/fallbacks/inc_unless_negative6
-rwxr-xr-xscripts/atomic/fallbacks/read_acquire2
-rwxr-xr-xscripts/atomic/fallbacks/release4
-rwxr-xr-xscripts/atomic/fallbacks/set_release2
-rwxr-xr-xscripts/atomic/fallbacks/sub_and_test6
-rwxr-xr-xscripts/atomic/fallbacks/try_cmpxchg4
-rwxr-xr-xscripts/atomic/gen-atomic-fallback.sh68
-rwxr-xr-xscripts/atomic/gen-atomic-instrumented.sh11
-rwxr-xr-xscripts/atomic/gen-atomic-long.sh10
-rwxr-xr-xscripts/atomic/gen-atomics.sh6
-rwxr-xr-xscripts/bpf_doc.py2
-rwxr-xr-xscripts/check_extable.sh2
-rwxr-xr-x[-rw-r--r--]scripts/checkdeclares.pl0
-rwxr-xr-xscripts/checkkconfigsymbols.py2
-rwxr-xr-xscripts/checkpatch.pl93
-rwxr-xr-xscripts/checksyscalls.sh2
-rwxr-xr-xscripts/checkversion.pl18
-rwxr-xr-xscripts/clang-tools/gen_compile_commands.py2
-rwxr-xr-x[-rw-r--r--]scripts/gcc-plugins/gen-random-seed.sh0
-rwxr-xr-xscripts/gen_autoksyms.sh12
-rwxr-xr-xscripts/gen_ksymdeps.sh11
-rwxr-xr-xscripts/kconfig/merge_config.sh15
-rwxr-xr-xscripts/kernel-doc8
-rwxr-xr-xscripts/link-vmlinux.sh81
-rw-r--r--scripts/mod/devicetable-offsets.c1
-rw-r--r--scripts/mod/file2alias.c17
-rw-r--r--scripts/mod/modpost.c13
-rw-r--r--scripts/mod/modpost.h9
-rw-r--r--scripts/mod/sumversion.c7
-rwxr-xr-xscripts/recordmcount.pl40
-rwxr-xr-xscripts/setlocalversion13
-rw-r--r--scripts/spdxcheck-test.sh16
-rwxr-xr-xscripts/spdxcheck.py2
-rw-r--r--scripts/subarch.include2
-rwxr-xr-x[-rw-r--r--]scripts/syscallnr.sh0
-rwxr-xr-xscripts/tracing/draw_functrace.py6
-rwxr-xr-x[-rw-r--r--]scripts/xen-hypercalls.sh0
59 files changed, 371 insertions, 354 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index f247e691562d..cdec22088423 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -57,6 +57,7 @@ kecho := $($(quiet)kecho)
# - If the content differ the new file is used
# - If they are equal no change, and no timestamp update
define filechk
+ $(check-FORCE)
$(Q)set -e; \
mkdir -p $(dir $@); \
trap "rm -f $(dot-target).tmp" EXIT; \
@@ -130,13 +131,19 @@ make-cmd = $(call escsq,$(subst $(pound),$$(pound),$(subst $$,$$$$,$(cmd_$(1))))
# PHONY targets skipped in both cases.
newer-prereqs = $(filter-out $(PHONY),$?)
+# It is a typical mistake to forget the FORCE prerequisite. Check it here so
+# no more breakage will slip in.
+check-FORCE = $(if $(filter FORCE, $^),,$(warning FORCE prerequisite is missing))
+
+if-changed-cond = $(newer-prereqs)$(cmd-check)$(check-FORCE)
+
# Execute command if command has changed or prerequisite(s) are updated.
-if_changed = $(if $(newer-prereqs)$(cmd-check), \
+if_changed = $(if $(if-changed-cond), \
$(cmd); \
printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd, @:)
# Execute the command and also postprocess generated .d dependencies file.
-if_changed_dep = $(if $(newer-prereqs)$(cmd-check),$(cmd_and_fixdep),@:)
+if_changed_dep = $(if $(if-changed-cond),$(cmd_and_fixdep),@:)
cmd_and_fixdep = \
$(cmd); \
@@ -146,7 +153,7 @@ cmd_and_fixdep = \
# Usage: $(call if_changed_rule,foo)
# Will check if $(cmd_foo) or any of the prerequisites changed,
# and if so will execute $(rule_foo).
-if_changed_rule = $(if $(newer-prereqs)$(cmd-check),$(rule_$(1)),@:)
+if_changed_rule = $(if $(if-changed-cond),$(rule_$(1)),@:)
###
# why - tell why a target got built
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 10b2f2380d6f..3efc984d4c69 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -88,6 +88,10 @@ endif
targets-for-modules := $(patsubst %.o, %.mod, $(filter %.o, $(obj-m)))
+ifdef CONFIG_LTO_CLANG
+targets-for-modules += $(patsubst %.o, %.lto.o, $(filter %.o, $(obj-m)))
+endif
+
ifdef need-modorder
targets-for-modules += $(obj)/modules.order
endif
@@ -173,6 +177,8 @@ cmd_modversions_c = \
if $(NM) $@ 2>/dev/null | grep -q __ksymtab; then \
$(call cmd_gensymtypes_c,$(KBUILD_SYMTYPES),$(@:.o=.symtypes)) \
> $@.symversions; \
+ else \
+ rm -f $@.symversions; \
fi;
else
cmd_modversions_c = \
@@ -271,12 +277,33 @@ $(obj)/%.o: $(src)/%.c $(recordmcount_source) $$(objtool_dep) FORCE
$(call if_changed_rule,cc_o_c)
$(call cmd,force_checksrc)
+ifdef CONFIG_LTO_CLANG
+# Module .o files may contain LLVM bitcode, compile them into native code
+# before ELF processing
+quiet_cmd_cc_lto_link_modules = LTO [M] $@
+cmd_cc_lto_link_modules = \
+ $(LD) $(ld_flags) -r -o $@ \
+ $(shell [ -s $(@:.lto.o=.o.symversions) ] && \
+ echo -T $(@:.lto.o=.o.symversions)) \
+ --whole-archive $(filter-out FORCE,$^)
+
+ifdef CONFIG_STACK_VALIDATION
+# objtool was skipped for LLVM bitcode, run it now that we have compiled
+# modules into native code
+cmd_cc_lto_link_modules += ; \
+ $(objtree)/tools/objtool/objtool $(objtool_args) --module $@
+endif
+
+$(obj)/%.lto.o: $(obj)/%.o FORCE
+ $(call if_changed,cc_lto_link_modules)
+endif
+
cmd_mod = { \
echo $(if $($*-objs)$($*-y)$($*-m), $(addprefix $(obj)/, $($*-objs) $($*-y) $($*-m)), $(@:.mod=.o)); \
$(undefined_syms) echo; \
} > $@
-$(obj)/%.mod: $(obj)/%.o FORCE
+$(obj)/%.mod: $(obj)/%$(mod-prelink-ext).o FORCE
$(call if_changed,mod)
quiet_cmd_cc_lst_c = MKLST $@
@@ -381,12 +408,11 @@ $(subdir-builtin): $(obj)/%/built-in.a: $(obj)/% ;
$(subdir-modorder): $(obj)/%/modules.order: $(obj)/% ;
# combine symversions for later processing
-quiet_cmd_update_lto_symversions = SYMVER $@
ifeq ($(CONFIG_LTO_CLANG) $(CONFIG_MODVERSIONS),y y)
cmd_update_lto_symversions = \
rm -f $@.symversions \
$(foreach n, $(filter-out FORCE,$^), \
- $(if $(wildcard $(n).symversions), \
+ $(if $(shell test -s $(n).symversions && echo y), \
; cat $(n).symversions >> $@.symversions))
else
cmd_update_lto_symversions = echo >/dev/null
diff --git a/scripts/Makefile.clang b/scripts/Makefile.clang
new file mode 100644
index 000000000000..4cce8fd0779c
--- /dev/null
+++ b/scripts/Makefile.clang
@@ -0,0 +1,35 @@
+# Individual arch/{arch}/Makefiles should use -EL/-EB to set intended
+# endianness and -m32/-m64 to set word size based on Kconfigs instead of
+# relying on the target triple.
+CLANG_TARGET_FLAGS_arm := arm-linux-gnueabi
+CLANG_TARGET_FLAGS_arm64 := aarch64-linux-gnu
+CLANG_TARGET_FLAGS_hexagon := hexagon-linux-musl
+CLANG_TARGET_FLAGS_m68k := m68k-linux-gnu
+CLANG_TARGET_FLAGS_mips := mipsel-linux-gnu
+CLANG_TARGET_FLAGS_powerpc := powerpc64le-linux-gnu
+CLANG_TARGET_FLAGS_riscv := riscv64-linux-gnu
+CLANG_TARGET_FLAGS_s390 := s390x-linux-gnu
+CLANG_TARGET_FLAGS_x86 := x86_64-linux-gnu
+CLANG_TARGET_FLAGS := $(CLANG_TARGET_FLAGS_$(SRCARCH))
+
+ifeq ($(CROSS_COMPILE),)
+ifeq ($(CLANG_TARGET_FLAGS),)
+$(error Specify CROSS_COMPILE or add '--target=' option to scripts/Makefile.clang)
+else
+CLANG_FLAGS += --target=$(CLANG_TARGET_FLAGS)
+endif # CLANG_TARGET_FLAGS
+else
+CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%))
+endif # CROSS_COMPILE
+
+ifeq ($(LLVM_IAS),0)
+CLANG_FLAGS += -fno-integrated-as
+GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE)elfedit))
+CLANG_FLAGS += --prefix=$(GCC_TOOLCHAIN_DIR)$(notdir $(CROSS_COMPILE))
+else
+CLANG_FLAGS += -fintegrated-as
+endif
+CLANG_FLAGS += -Werror=unknown-warning-option
+KBUILD_CFLAGS += $(CLANG_FLAGS)
+KBUILD_AFLAGS += $(CLANG_FLAGS)
+export CLANG_FLAGS
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 10950559b223..54582673fc1a 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -225,17 +225,23 @@ dtc_cpp_flags = -Wp,-MMD,$(depfile).pre.tmp -nostdinc \
$(addprefix -I,$(DTC_INCLUDE)) \
-undef -D__DTS__
+ifeq ($(CONFIG_LTO_CLANG),y)
+# With CONFIG_LTO_CLANG, .o files in modules might be LLVM bitcode, so we
+# need to run LTO to compile them into native code (.lto.o) before further
+# processing.
+mod-prelink-ext := .lto
+endif
+
# Objtool arguments are also needed for modfinal with LTO, so we define
# then here to avoid duplication.
objtool_args = \
$(if $(CONFIG_UNWINDER_ORC),orc generate,check) \
- $(if $(part-of-module), --module,) \
+ $(if $(part-of-module), --module) \
$(if $(CONFIG_FRAME_POINTER),, --no-fp) \
- $(if $(or $(CONFIG_GCOV_KERNEL),$(CONFIG_LTO_CLANG)), \
- --no-unreachable,) \
- $(if $(CONFIG_RETPOLINE), --retpoline,) \
- $(if $(CONFIG_X86_SMAP), --uaccess,) \
- $(if $(CONFIG_FTRACE_MCOUNT_USE_OBJTOOL), --mcount,)
+ $(if $(CONFIG_GCOV_KERNEL)$(CONFIG_LTO_CLANG), --no-unreachable)\
+ $(if $(CONFIG_RETPOLINE), --retpoline) \
+ $(if $(CONFIG_X86_SMAP), --uaccess) \
+ $(if $(CONFIG_FTRACE_MCOUNT_USE_OBJTOOL), --mcount)
# Useful for describing the dependency of composite objects
# Usage:
@@ -309,8 +315,7 @@ DTC_FLAGS += -Wno-unit_address_vs_reg \
-Wno-alias_paths \
-Wno-graph_child_address \
-Wno-simple_bus_reg \
- -Wno-unique_unit_address \
- -Wno-pci_device_reg
+ -Wno-unique_unit_address
endif
ifneq ($(findstring 2,$(KBUILD_EXTRA_WARN)),)
diff --git a/scripts/Makefile.modfinal b/scripts/Makefile.modfinal
index 5e9b8057fb24..ff805777431c 100644
--- a/scripts/Makefile.modfinal
+++ b/scripts/Makefile.modfinal
@@ -9,7 +9,7 @@ __modfinal:
include include/config/auto.conf
include $(srctree)/scripts/Kbuild.include
-# for c_flags and objtool_args
+# for c_flags and mod-prelink-ext
include $(srctree)/scripts/Makefile.lib
# find all modules listed in modules.order
@@ -30,23 +30,6 @@ quiet_cmd_cc_o_c = CC [M] $@
ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
-ifdef CONFIG_LTO_CLANG
-# With CONFIG_LTO_CLANG, reuse the object file we compiled for modpost to
-# avoid a second slow LTO link
-prelink-ext := .lto
-
-# ELF processing was skipped earlier because we didn't have native code,
-# so let's now process the prelinked binary before we link the module.
-
-ifdef CONFIG_STACK_VALIDATION
-cmd_ld_ko_o += \
- $(objtree)/tools/objtool/objtool $(objtool_args) \
- $(@:.ko=$(prelink-ext).o);
-
-endif # CONFIG_STACK_VALIDATION
-
-endif # CONFIG_LTO_CLANG
-
quiet_cmd_ld_ko_o = LD [M] $@
cmd_ld_ko_o += \
$(LD) -r $(KBUILD_LDFLAGS) \
@@ -72,7 +55,7 @@ if_changed_except = $(if $(call newer_prereqs_except,$(2))$(cmd-check), \
# Re-generate module BTFs if either module's .ko or vmlinux changed
-$(modules): %.ko: %$(prelink-ext).o %.mod.o scripts/module.lds $(if $(KBUILD_BUILTIN),vmlinux) FORCE
+$(modules): %.ko: %$(mod-prelink-ext).o %.mod.o scripts/module.lds $(if $(KBUILD_BUILTIN),vmlinux) FORCE
+$(call if_changed_except,ld_ko_o,vmlinux)
ifdef CONFIG_DEBUG_INFO_BTF_MODULES
+$(if $(newer-prereqs),$(call cmd,btf_ko))
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index c383ba33d837..eef56d629799 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -41,7 +41,7 @@ __modpost:
include include/config/auto.conf
include $(srctree)/scripts/Kbuild.include
-# for ld_flags
+# for mod-prelink-ext
include $(srctree)/scripts/Makefile.lib
MODPOST = scripts/mod/modpost \
@@ -118,22 +118,6 @@ $(input-symdump):
@echo >&2 ' Modules may not have dependencies or modversions.'
@echo >&2 ' You may get many unresolved symbol warnings.'
-ifdef CONFIG_LTO_CLANG
-# With CONFIG_LTO_CLANG, .o files might be LLVM bitcode, so we need to run
-# LTO to compile them into native code before running modpost
-prelink-ext := .lto
-
-quiet_cmd_cc_lto_link_modules = LTO [M] $@
-cmd_cc_lto_link_modules = \
- $(LD) $(ld_flags) -r -o $@ \
- $(shell [ -s $(@:.lto.o=.o.symversions) ] && \
- echo -T $(@:.lto.o=.o.symversions)) \
- --whole-archive $^
-
-%.lto.o: %.o
- $(call if_changed,cc_lto_link_modules)
-endif
-
modules := $(sort $(shell cat $(MODORDER)))
# KBUILD_MODPOST_WARN can be set to avoid error out in case of undefined symbols
@@ -144,9 +128,9 @@ endif
# Read out modules.order to pass in modpost.
# Otherwise, allmodconfig would fail with "Argument list too long".
quiet_cmd_modpost = MODPOST $@
- cmd_modpost = sed 's/\.ko$$/$(prelink-ext)\.o/' $< | $(MODPOST) -T -
+ cmd_modpost = sed 's/\.ko$$/$(mod-prelink-ext)\.o/' $< | $(MODPOST) -T -
-$(output-symdump): $(MODORDER) $(input-symdump) $(modules:.ko=$(prelink-ext).o) FORCE
+$(output-symdump): $(MODORDER) $(input-symdump) $(modules:.ko=$(mod-prelink-ext).o) FORCE
$(call if_changed,modpost)
targets += $(output-symdump)
diff --git a/scripts/adjust_autoksyms.sh b/scripts/adjust_autoksyms.sh
index d8f6f9c63043..59fdb875e818 100755
--- a/scripts/adjust_autoksyms.sh
+++ b/scripts/adjust_autoksyms.sh
@@ -42,10 +42,10 @@ $CONFIG_SHELL $srctree/scripts/gen_autoksyms.sh "$new_ksyms_file"
changed=$(
count=0
sort "$cur_ksyms_file" "$new_ksyms_file" | uniq -u |
-sed -n 's/^#define __KSYM_\(.*\) 1/\1/p' | tr "A-Z_" "a-z/" |
+sed -n 's/^#define __KSYM_\(.*\) 1/\1/p' |
while read sympath; do
if [ -z "$sympath" ]; then continue; fi
- depfile="include/ksym/${sympath}.h"
+ depfile="include/ksym/${sympath}"
mkdir -p "$(dirname "$depfile")"
touch "$depfile"
# Filesystems with coarse time precision may create timestamps
diff --git a/scripts/as-version.sh b/scripts/as-version.sh
index 8b9410e329df..1a21495e9ff0 100755
--- a/scripts/as-version.sh
+++ b/scripts/as-version.sh
@@ -21,14 +21,14 @@ get_canonical_version()
echo $((10000 * $1 + 100 * ${2:-0} + ${3:-0}))
}
-# Clang fails to handle -Wa,--version unless -no-integrated-as is given.
-# We check -(f)integrated-as, expecting it is explicitly passed in for the
+# Clang fails to handle -Wa,--version unless -fno-integrated-as is given.
+# We check -fintegrated-as, expecting it is explicitly passed in for the
# integrated assembler case.
check_integrated_as()
{
while [ $# -gt 0 ]; do
- if [ "$1" = -integrated-as -o "$1" = -fintegrated-as ]; then
- # For the intergrated assembler, we do not check the
+ if [ "$1" = -fintegrated-as ]; then
+ # For the integrated assembler, we do not check the
# version here. It is the same as the clang version, and
# it has been already checked by scripts/cc-version.sh.
echo LLVM 0
diff --git a/scripts/atomic/check-atomics.sh b/scripts/atomic/check-atomics.sh
index 9c7fbd4bcbce..0e7bab3eb0d1 100755
--- a/scripts/atomic/check-atomics.sh
+++ b/scripts/atomic/check-atomics.sh
@@ -14,9 +14,9 @@ if [ $? -ne 0 ]; then
fi
cat <<EOF |
-asm-generic/atomic-instrumented.h
-asm-generic/atomic-long.h
-linux/atomic-arch-fallback.h
+linux/atomic/atomic-instrumented.h
+linux/atomic/atomic-long.h
+linux/atomic/atomic-arch-fallback.h
EOF
while read header; do
OLDSUM="$(tail -n 1 ${LINUXDIR}/include/${header})"
diff --git a/scripts/atomic/fallbacks/acquire b/scripts/atomic/fallbacks/acquire
index 59c00529dc7c..ef764085c79a 100755
--- a/scripts/atomic/fallbacks/acquire
+++ b/scripts/atomic/fallbacks/acquire
@@ -1,8 +1,8 @@
cat <<EOF
static __always_inline ${ret}
-${arch}${atomic}_${pfx}${name}${sfx}_acquire(${params})
+arch_${atomic}_${pfx}${name}${sfx}_acquire(${params})
{
- ${ret} ret = ${arch}${atomic}_${pfx}${name}${sfx}_relaxed(${args});
+ ${ret} ret = arch_${atomic}_${pfx}${name}${sfx}_relaxed(${args});
__atomic_acquire_fence();
return ret;
}
diff --git a/scripts/atomic/fallbacks/add_negative b/scripts/atomic/fallbacks/add_negative
index a66635bceefb..15caa2eb2371 100755
--- a/scripts/atomic/fallbacks/add_negative
+++ b/scripts/atomic/fallbacks/add_negative
@@ -1,6 +1,6 @@
cat <<EOF
/**
- * ${arch}${atomic}_add_negative - add and test if negative
+ * arch_${atomic}_add_negative - add and test if negative
* @i: integer value to add
* @v: pointer of type ${atomic}_t
*
@@ -9,8 +9,8 @@ cat <<EOF
* result is greater than or equal to zero.
*/
static __always_inline bool
-${arch}${atomic}_add_negative(${int} i, ${atomic}_t *v)
+arch_${atomic}_add_negative(${int} i, ${atomic}_t *v)
{
- return ${arch}${atomic}_add_return(i, v) < 0;
+ return arch_${atomic}_add_return(i, v) < 0;
}
EOF
diff --git a/scripts/atomic/fallbacks/add_unless b/scripts/atomic/fallbacks/add_unless
index 2ff598a3f9ec..9e5159c2ccfc 100755
--- a/scripts/atomic/fallbacks/add_unless
+++ b/scripts/atomic/fallbacks/add_unless
@@ -1,6 +1,6 @@
cat << EOF
/**
- * ${arch}${atomic}_add_unless - add unless the number is already a given value
+ * arch_${atomic}_add_unless - add unless the number is already a given value
* @v: pointer of type ${atomic}_t
* @a: the amount to add to v...
* @u: ...unless v is equal to u.
@@ -9,8 +9,8 @@ cat << EOF
* Returns true if the addition was done.
*/
static __always_inline bool
-${arch}${atomic}_add_unless(${atomic}_t *v, ${int} a, ${int} u)
+arch_${atomic}_add_unless(${atomic}_t *v, ${int} a, ${int} u)
{
- return ${arch}${atomic}_fetch_add_unless(v, a, u) != u;
+ return arch_${atomic}_fetch_add_unless(v, a, u) != u;
}
EOF
diff --git a/scripts/atomic/fallbacks/andnot b/scripts/atomic/fallbacks/andnot
index 3f18663dcefb..5a42f54a3595 100755
--- a/scripts/atomic/fallbacks/andnot
+++ b/scripts/atomic/fallbacks/andnot
@@ -1,7 +1,7 @@
cat <<EOF
static __always_inline ${ret}
-${arch}${atomic}_${pfx}andnot${sfx}${order}(${int} i, ${atomic}_t *v)
+arch_${atomic}_${pfx}andnot${sfx}${order}(${int} i, ${atomic}_t *v)
{
- ${retstmt}${arch}${atomic}_${pfx}and${sfx}${order}(~i, v);
+ ${retstmt}arch_${atomic}_${pfx}and${sfx}${order}(~i, v);
}
EOF
diff --git a/scripts/atomic/fallbacks/dec b/scripts/atomic/fallbacks/dec
index e2e01f0574bb..8c144c818e9e 100755
--- a/scripts/atomic/fallbacks/dec
+++ b/scripts/atomic/fallbacks/dec
@@ -1,7 +1,7 @@
cat <<EOF
static __always_inline ${ret}
-${arch}${atomic}_${pfx}dec${sfx}${order}(${atomic}_t *v)
+arch_${atomic}_${pfx}dec${sfx}${order}(${atomic}_t *v)
{
- ${retstmt}${arch}${atomic}_${pfx}sub${sfx}${order}(1, v);
+ ${retstmt}arch_${atomic}_${pfx}sub${sfx}${order}(1, v);
}
EOF
diff --git a/scripts/atomic/fallbacks/dec_and_test b/scripts/atomic/fallbacks/dec_and_test
index e8a5e492eb5f..8549f359bd0e 100755
--- a/scripts/atomic/fallbacks/dec_and_test
+++ b/scripts/atomic/fallbacks/dec_and_test
@@ -1,6 +1,6 @@
cat <<EOF
/**
- * ${arch}${atomic}_dec_and_test - decrement and test
+ * arch_${atomic}_dec_and_test - decrement and test
* @v: pointer of type ${atomic}_t
*
* Atomically decrements @v by 1 and
@@ -8,8 +8,8 @@ cat <<EOF
* cases.
*/
static __always_inline bool
-${arch}${atomic}_dec_and_test(${atomic}_t *v)
+arch_${atomic}_dec_and_test(${atomic}_t *v)
{
- return ${arch}${atomic}_dec_return(v) == 0;
+ return arch_${atomic}_dec_return(v) == 0;
}
EOF
diff --git a/scripts/atomic/fallbacks/dec_if_positive b/scripts/atomic/fallbacks/dec_if_positive
index 527adec89c37..86bdced3428d 100755
--- a/scripts/atomic/fallbacks/dec_if_positive
+++ b/scripts/atomic/fallbacks/dec_if_positive
@@ -1,14 +1,14 @@
cat <<EOF
static __always_inline ${ret}
-${arch}${atomic}_dec_if_positive(${atomic}_t *v)
+arch_${atomic}_dec_if_positive(${atomic}_t *v)
{
- ${int} dec, c = ${arch}${atomic}_read(v);
+ ${int} dec, c = arch_${atomic}_read(v);
do {
dec = c - 1;
if (unlikely(dec < 0))
break;
- } while (!${arch}${atomic}_try_cmpxchg(v, &c, dec));
+ } while (!arch_${atomic}_try_cmpxchg(v, &c, dec));
return dec;
}
diff --git a/scripts/atomic/fallbacks/dec_unless_positive b/scripts/atomic/fallbacks/dec_unless_positive
index dcab6848ca1e..c531d5afecc4 100755
--- a/scripts/atomic/fallbacks/dec_unless_positive
+++ b/scripts/atomic/fallbacks/dec_unless_positive
@@ -1,13 +1,13 @@
cat <<EOF
static __always_inline bool
-${arch}${atomic}_dec_unless_positive(${atomic}_t *v)
+arch_${atomic}_dec_unless_positive(${atomic}_t *v)
{
- ${int} c = ${arch}${atomic}_read(v);
+ ${int} c = arch_${atomic}_read(v);
do {
if (unlikely(c > 0))
return false;
- } while (!${arch}${atomic}_try_cmpxchg(v, &c, c - 1));
+ } while (!arch_${atomic}_try_cmpxchg(v, &c, c - 1));
return true;
}
diff --git a/scripts/atomic/fallbacks/fence b/scripts/atomic/fallbacks/fence
index 3764fc8ce945..07757d8e338e 100755
--- a/scripts/atomic/fallbacks/fence
+++ b/scripts/atomic/fallbacks/fence
@@ -1,10 +1,10 @@
cat <<EOF
static __always_inline ${ret}
-${arch}${atomic}_${pfx}${name}${sfx}(${params})
+arch_${atomic}_${pfx}${name}${sfx}(${params})
{
${ret} ret;
__atomic_pre_full_fence();
- ret = ${arch}${atomic}_${pfx}${name}${sfx}_relaxed(${args});
+ ret = arch_${atomic}_${pfx}${name}${sfx}_relaxed(${args});
__atomic_post_full_fence();
return ret;
}
diff --git a/scripts/atomic/fallbacks/fetch_add_unless b/scripts/atomic/fallbacks/fetch_add_unless
index 0e0b9aef1515..68ce13c8b9da 100755
--- a/scripts/atomic/fallbacks/fetch_add_unless
+++ b/scripts/atomic/fallbacks/fetch_add_unless
@@ -1,6 +1,6 @@
cat << EOF
/**
- * ${arch}${atomic}_fetch_add_unless - add unless the number is already a given value
+ * arch_${atomic}_fetch_add_unless - add unless the number is already a given value
* @v: pointer of type ${atomic}_t
* @a: the amount to add to v...
* @u: ...unless v is equal to u.
@@ -9,14 +9,14 @@ cat << EOF
* Returns original value of @v
*/
static __always_inline ${int}
-${arch}${atomic}_fetch_add_unless(${atomic}_t *v, ${int} a, ${int} u)
+arch_${atomic}_fetch_add_unless(${atomic}_t *v, ${int} a, ${int} u)
{
- ${int} c = ${arch}${atomic}_read(v);
+ ${int} c = arch_${atomic}_read(v);
do {
if (unlikely(c == u))
break;
- } while (!${arch}${atomic}_try_cmpxchg(v, &c, c + a));
+ } while (!arch_${atomic}_try_cmpxchg(v, &c, c + a));
return c;
}
diff --git a/scripts/atomic/fallbacks/inc b/scripts/atomic/fallbacks/inc
index 15ec62946e8c..3c2c3739169e 100755
--- a/scripts/atomic/fallbacks/inc
+++ b/scripts/atomic/fallbacks/inc
@@ -1,7 +1,7 @@
cat <<EOF
static __always_inline ${ret}
-${arch}${atomic}_${pfx}inc${sfx}${order}(${atomic}_t *v)
+arch_${atomic}_${pfx}inc${sfx}${order}(${atomic}_t *v)
{
- ${retstmt}${arch}${atomic}_${pfx}add${sfx}${order}(1, v);
+ ${retstmt}arch_${atomic}_${pfx}add${sfx}${order}(1, v);
}
EOF
diff --git a/scripts/atomic/fallbacks/inc_and_test b/scripts/atomic/fallbacks/inc_and_test
index cecc8322a21f..0cf23fe1efb8 100755
--- a/scripts/atomic/fallbacks/inc_and_test
+++ b/scripts/atomic/fallbacks/inc_and_test
@@ -1,6 +1,6 @@
cat <<EOF
/**
- * ${arch}${atomic}_inc_and_test - increment and test
+ * arch_${atomic}_inc_and_test - increment and test
* @v: pointer of type ${atomic}_t
*
* Atomically increments @v by 1
@@ -8,8 +8,8 @@ cat <<EOF
* other cases.
*/
static __always_inline bool
-${arch}${atomic}_inc_and_test(${atomic}_t *v)
+arch_${atomic}_inc_and_test(${atomic}_t *v)
{
- return ${arch}${atomic}_inc_return(v) == 0;
+ return arch_${atomic}_inc_return(v) == 0;
}
EOF
diff --git a/scripts/atomic/fallbacks/inc_not_zero b/scripts/atomic/fallbacks/inc_not_zero
index 50f2d4d48279..ed8a1f562667 100755
--- a/scripts/atomic/fallbacks/inc_not_zero
+++ b/scripts/atomic/fallbacks/inc_not_zero
@@ -1,14 +1,14 @@
cat <<EOF
/**
- * ${arch}${atomic}_inc_not_zero - increment unless the number is zero
+ * arch_${atomic}_inc_not_zero - increment unless the number is zero
* @v: pointer of type ${atomic}_t
*
* Atomically increments @v by 1, if @v is non-zero.
* Returns true if the increment was done.
*/
static __always_inline bool
-${arch}${atomic}_inc_not_zero(${atomic}_t *v)
+arch_${atomic}_inc_not_zero(${atomic}_t *v)
{
- return ${arch}${atomic}_add_unless(v, 1, 0);
+ return arch_${atomic}_add_unless(v, 1, 0);
}
EOF
diff --git a/scripts/atomic/fallbacks/inc_unless_negative b/scripts/atomic/fallbacks/inc_unless_negative
index 87629e0d4a80..95d8ce48233f 100755
--- a/scripts/atomic/fallbacks/inc_unless_negative
+++ b/scripts/atomic/fallbacks/inc_unless_negative
@@ -1,13 +1,13 @@
cat <<EOF
static __always_inline bool
-${arch}${atomic}_inc_unless_negative(${atomic}_t *v)
+arch_${atomic}_inc_unless_negative(${atomic}_t *v)
{
- ${int} c = ${arch}${atomic}_read(v);
+ ${int} c = arch_${atomic}_read(v);
do {
if (unlikely(c < 0))
return false;
- } while (!${arch}${atomic}_try_cmpxchg(v, &c, c + 1));
+ } while (!arch_${atomic}_try_cmpxchg(v, &c, c + 1));
return true;
}
diff --git a/scripts/atomic/fallbacks/read_acquire b/scripts/atomic/fallbacks/read_acquire
index 341a88dccaa7..803ba7561076 100755
--- a/scripts/atomic/fallbacks/read_acquire
+++ b/scripts/atomic/fallbacks/read_acquire
@@ -1,6 +1,6 @@
cat <<EOF
static __always_inline ${ret}
-${arch}${atomic}_read_acquire(const ${atomic}_t *v)
+arch_${atomic}_read_acquire(const ${atomic}_t *v)
{
return smp_load_acquire(&(v)->counter);
}
diff --git a/scripts/atomic/fallbacks/release b/scripts/atomic/fallbacks/release
index f8906d537c0f..b46feb56d69c 100755
--- a/scripts/atomic/fallbacks/release
+++ b/scripts/atomic/fallbacks/release
@@ -1,8 +1,8 @@
cat <<EOF
static __always_inline ${ret}
-${arch}${atomic}_${pfx}${name}${sfx}_release(${params})
+arch_${atomic}_${pfx}${name}${sfx}_release(${params})
{
__atomic_release_fence();
- ${retstmt}${arch}${atomic}_${pfx}${name}${sfx}_relaxed(${args});
+ ${retstmt}arch_${atomic}_${pfx}${name}${sfx}_relaxed(${args});
}
EOF
diff --git a/scripts/atomic/fallbacks/set_release b/scripts/atomic/fallbacks/set_release
index 76068272d5f5..86ede759f24e 100755
--- a/scripts/atomic/fallbacks/set_release
+++ b/scripts/atomic/fallbacks/set_release
@@ -1,6 +1,6 @@
cat <<EOF
static __always_inline void
-${arch}${atomic}_set_release(${atomic}_t *v, ${int} i)
+arch_${atomic}_set_release(${atomic}_t *v, ${int} i)
{
smp_store_release(&(v)->counter, i);
}
diff --git a/scripts/atomic/fallbacks/sub_and_test b/scripts/atomic/fallbacks/sub_and_test
index c580f4c2136e..260f37341c88 100755
--- a/scripts/atomic/fallbacks/sub_and_test
+++ b/scripts/atomic/fallbacks/sub_and_test
@@ -1,6 +1,6 @@
cat <<EOF
/**
- * ${arch}${atomic}_sub_and_test - subtract value from variable and test result
+ * arch_${atomic}_sub_and_test - subtract value from variable and test result
* @i: integer value to subtract
* @v: pointer of type ${atomic}_t
*
@@ -9,8 +9,8 @@ cat <<EOF
* other cases.
*/
static __always_inline bool
-${arch}${atomic}_sub_and_test(${int} i, ${atomic}_t *v)
+arch_${atomic}_sub_and_test(${int} i, ${atomic}_t *v)
{
- return ${arch}${atomic}_sub_return(i, v) == 0;
+ return arch_${atomic}_sub_return(i, v) == 0;
}
EOF
diff --git a/scripts/atomic/fallbacks/try_cmpxchg b/scripts/atomic/fallbacks/try_cmpxchg
index 06db0f738e45..890f850ede37 100755
--- a/scripts/atomic/fallbacks/try_cmpxchg
+++ b/scripts/atomic/fallbacks/try_cmpxchg
@@ -1,9 +1,9 @@
cat <<EOF
static __always_inline bool
-${arch}${atomic}_try_cmpxchg${order}(${atomic}_t *v, ${int} *old, ${int} new)
+arch_${atomic}_try_cmpxchg${order}(${atomic}_t *v, ${int} *old, ${int} new)
{
${int} r, o = *old;
- r = ${arch}${atomic}_cmpxchg${order}(v, o, new);
+ r = arch_${atomic}_cmpxchg${order}(v, o, new);
if (unlikely(r != o))
*old = r;
return likely(r == o);
diff --git a/scripts/atomic/gen-atomic-fallback.sh b/scripts/atomic/gen-atomic-fallback.sh
index 317a6cec76e1..8e2da71f1d5f 100755
--- a/scripts/atomic/gen-atomic-fallback.sh
+++ b/scripts/atomic/gen-atomic-fallback.sh
@@ -2,11 +2,10 @@
# SPDX-License-Identifier: GPL-2.0
ATOMICDIR=$(dirname $0)
-ARCH=$2
. ${ATOMICDIR}/atomic-tbl.sh
-#gen_template_fallback(template, meta, pfx, name, sfx, order, arch, atomic, int, args...)
+#gen_template_fallback(template, meta, pfx, name, sfx, order, atomic, int, args...)
gen_template_fallback()
{
local template="$1"; shift
@@ -15,11 +14,10 @@ gen_template_fallback()
local name="$1"; shift
local sfx="$1"; shift
local order="$1"; shift
- local arch="$1"; shift
local atomic="$1"; shift
local int="$1"; shift
- local atomicname="${arch}${atomic}_${pfx}${name}${sfx}${order}"
+ local atomicname="arch_${atomic}_${pfx}${name}${sfx}${order}"
local ret="$(gen_ret_type "${meta}" "${int}")"
local retstmt="$(gen_ret_stmt "${meta}")"
@@ -34,7 +32,7 @@ gen_template_fallback()
fi
}
-#gen_proto_fallback(meta, pfx, name, sfx, order, arch, atomic, int, args...)
+#gen_proto_fallback(meta, pfx, name, sfx, order, atomic, int, args...)
gen_proto_fallback()
{
local meta="$1"; shift
@@ -65,44 +63,26 @@ gen_proto_order_variant()
local name="$1"; shift
local sfx="$1"; shift
local order="$1"; shift
- local arch="$1"
- local atomic="$2"
+ local atomic="$1"
- local basename="${arch}${atomic}_${pfx}${name}${sfx}"
+ local basename="arch_${atomic}_${pfx}${name}${sfx}"
- printf "#define arch_${basename}${order} ${basename}${order}\n"
+ printf "#define ${basename}${order} ${basename}${order}\n"
}
-#gen_proto_order_variants(meta, pfx, name, sfx, arch, atomic, int, args...)
+#gen_proto_order_variants(meta, pfx, name, sfx, atomic, int, args...)
gen_proto_order_variants()
{
local meta="$1"; shift
local pfx="$1"; shift
local name="$1"; shift
local sfx="$1"; shift
- local arch="$1"
- local atomic="$2"
+ local atomic="$1"
- local basename="${arch}${atomic}_${pfx}${name}${sfx}"
+ local basename="arch_${atomic}_${pfx}${name}${sfx}"
local template="$(find_fallback_template "${pfx}" "${name}" "${sfx}" "${order}")"
- if [ -z "$arch" ]; then
- gen_proto_order_variant "${meta}" "${pfx}" "${name}" "${sfx}" "" "$@"
-
- if meta_has_acquire "${meta}"; then
- gen_proto_order_variant "${meta}" "${pfx}" "${name}" "${sfx}" "_acquire" "$@"
- fi
- if meta_has_release "${meta}"; then
- gen_proto_order_variant "${meta}" "${pfx}" "${name}" "${sfx}" "_release" "$@"
- fi
- if meta_has_relaxed "${meta}"; then
- gen_proto_order_variant "${meta}" "${pfx}" "${name}" "${sfx}" "_relaxed" "$@"
- fi
-
- echo ""
- fi
-
# If we don't have relaxed atomics, then we don't bother with ordering fallbacks
# read_acquire and set_release need to be templated, though
if ! meta_has_relaxed "${meta}"; then
@@ -128,7 +108,7 @@ gen_proto_order_variants()
gen_basic_fallbacks "${basename}"
if [ ! -z "${template}" ]; then
- printf "#endif /* ${arch}${atomic}_${pfx}${name}${sfx} */\n\n"
+ printf "#endif /* ${basename} */\n\n"
gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "" "$@"
gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "_acquire" "$@"
gen_proto_fallback "${meta}" "${pfx}" "${name}" "${sfx}" "_release" "$@"
@@ -187,38 +167,38 @@ gen_try_cmpxchg_fallback()
local order="$1"; shift;
cat <<EOF
-#ifndef ${ARCH}try_cmpxchg${order}
-#define ${ARCH}try_cmpxchg${order}(_ptr, _oldp, _new) \\
+#ifndef arch_try_cmpxchg${order}
+#define arch_try_cmpxchg${order}(_ptr, _oldp, _new) \\
({ \\
typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \\
- ___r = ${ARCH}cmpxchg${order}((_ptr), ___o, (_new)); \\
+ ___r = arch_cmpxchg${order}((_ptr), ___o, (_new)); \\
if (unlikely(___r != ___o)) \\
*___op = ___r; \\
likely(___r == ___o); \\
})
-#endif /* ${ARCH}try_cmpxchg${order} */
+#endif /* arch_try_cmpxchg${order} */
EOF
}
gen_try_cmpxchg_fallbacks()
{
- printf "#ifndef ${ARCH}try_cmpxchg_relaxed\n"
- printf "#ifdef ${ARCH}try_cmpxchg\n"
+ printf "#ifndef arch_try_cmpxchg_relaxed\n"
+ printf "#ifdef arch_try_cmpxchg\n"
- gen_basic_fallbacks "${ARCH}try_cmpxchg"
+ gen_basic_fallbacks "arch_try_cmpxchg"
- printf "#endif /* ${ARCH}try_cmpxchg */\n\n"
+ printf "#endif /* arch_try_cmpxchg */\n\n"
for order in "" "_acquire" "_release" "_relaxed"; do
gen_try_cmpxchg_fallback "${order}"
done
- printf "#else /* ${ARCH}try_cmpxchg_relaxed */\n"
+ printf "#else /* arch_try_cmpxchg_relaxed */\n"
- gen_order_fallbacks "${ARCH}try_cmpxchg"
+ gen_order_fallbacks "arch_try_cmpxchg"
- printf "#endif /* ${ARCH}try_cmpxchg_relaxed */\n\n"
+ printf "#endif /* arch_try_cmpxchg_relaxed */\n\n"
}
cat << EOF
@@ -234,14 +214,14 @@ cat << EOF
EOF
-for xchg in "${ARCH}xchg" "${ARCH}cmpxchg" "${ARCH}cmpxchg64"; do
+for xchg in "arch_xchg" "arch_cmpxchg" "arch_cmpxchg64"; do
gen_xchg_fallbacks "${xchg}"
done
gen_try_cmpxchg_fallbacks
grep '^[a-z]' "$1" | while read name meta args; do
- gen_proto "${meta}" "${name}" "${ARCH}" "atomic" "int" ${args}
+ gen_proto "${meta}" "${name}" "atomic" "int" ${args}
done
cat <<EOF
@@ -252,7 +232,7 @@ cat <<EOF
EOF
grep '^[a-z]' "$1" | while read name meta args; do
- gen_proto "${meta}" "${name}" "${ARCH}" "atomic64" "s64" ${args}
+ gen_proto "${meta}" "${name}" "atomic64" "s64" ${args}
done
cat <<EOF
diff --git a/scripts/atomic/gen-atomic-instrumented.sh b/scripts/atomic/gen-atomic-instrumented.sh
index b0c45aee19d7..035ceb4ee85c 100755
--- a/scripts/atomic/gen-atomic-instrumented.sh
+++ b/scripts/atomic/gen-atomic-instrumented.sh
@@ -121,8 +121,8 @@ cat << EOF
* arch_ variants (i.e. arch_atomic_read()/arch_atomic_cmpxchg()) to avoid
* double instrumentation.
*/
-#ifndef _ASM_GENERIC_ATOMIC_INSTRUMENTED_H
-#define _ASM_GENERIC_ATOMIC_INSTRUMENTED_H
+#ifndef _LINUX_ATOMIC_INSTRUMENTED_H
+#define _LINUX_ATOMIC_INSTRUMENTED_H
#include <linux/build_bug.h>
#include <linux/compiler.h>
@@ -138,6 +138,11 @@ grep '^[a-z]' "$1" | while read name meta args; do
gen_proto "${meta}" "${name}" "atomic64" "s64" ${args}
done
+grep '^[a-z]' "$1" | while read name meta args; do
+ gen_proto "${meta}" "${name}" "atomic_long" "long" ${args}
+done
+
+
for xchg in "xchg" "cmpxchg" "cmpxchg64" "try_cmpxchg"; do
for order in "" "_acquire" "_release" "_relaxed"; do
gen_xchg "${xchg}${order}" ""
@@ -158,5 +163,5 @@ gen_xchg "cmpxchg_double_local" "2 * "
cat <<EOF
-#endif /* _ASM_GENERIC_ATOMIC_INSTRUMENTED_H */
+#endif /* _LINUX_ATOMIC_INSTRUMENTED_H */
EOF
diff --git a/scripts/atomic/gen-atomic-long.sh b/scripts/atomic/gen-atomic-long.sh
index e318d3f92e53..eda89cea6e1d 100755
--- a/scripts/atomic/gen-atomic-long.sh
+++ b/scripts/atomic/gen-atomic-long.sh
@@ -47,9 +47,9 @@ gen_proto_order_variant()
cat <<EOF
static __always_inline ${ret}
-atomic_long_${name}(${params})
+arch_atomic_long_${name}(${params})
{
- ${retstmt}${atomic}_${name}(${argscast});
+ ${retstmt}arch_${atomic}_${name}(${argscast});
}
EOF
@@ -61,8 +61,8 @@ cat << EOF
// Generated by $0
// DO NOT MODIFY THIS FILE DIRECTLY
-#ifndef _ASM_GENERIC_ATOMIC_LONG_H
-#define _ASM_GENERIC_ATOMIC_LONG_H
+#ifndef _LINUX_ATOMIC_LONG_H
+#define _LINUX_ATOMIC_LONG_H
#include <linux/compiler.h>
#include <asm/types.h>
@@ -98,5 +98,5 @@ done
cat <<EOF
#endif /* CONFIG_64BIT */
-#endif /* _ASM_GENERIC_ATOMIC_LONG_H */
+#endif /* _LINUX_ATOMIC_LONG_H */
EOF
diff --git a/scripts/atomic/gen-atomics.sh b/scripts/atomic/gen-atomics.sh
index f776a574224d..5b98a8307693 100755
--- a/scripts/atomic/gen-atomics.sh
+++ b/scripts/atomic/gen-atomics.sh
@@ -8,9 +8,9 @@ ATOMICTBL=${ATOMICDIR}/atomics.tbl
LINUXDIR=${ATOMICDIR}/../..
cat <<EOF |
-gen-atomic-instrumented.sh asm-generic/atomic-instrumented.h
-gen-atomic-long.sh asm-generic/atomic-long.h
-gen-atomic-fallback.sh linux/atomic-arch-fallback.h arch_
+gen-atomic-instrumented.sh linux/atomic/atomic-instrumented.h
+gen-atomic-long.sh linux/atomic/atomic-long.h
+gen-atomic-fallback.sh linux/atomic/atomic-arch-fallback.h
EOF
while read script header args; do
/bin/sh ${ATOMICDIR}/${script} ${ATOMICTBL} ${args} > ${LINUXDIR}/include/${header}
diff --git a/scripts/bpf_doc.py b/scripts/bpf_doc.py
index 2d94025b38e9..00ac7b79cddb 100755
--- a/scripts/bpf_doc.py
+++ b/scripts/bpf_doc.py
@@ -547,6 +547,7 @@ class PrinterHelpers(Printer):
'struct inode',
'struct socket',
'struct file',
+ 'struct bpf_timer',
]
known_types = {
'...',
@@ -594,6 +595,7 @@ class PrinterHelpers(Printer):
'struct inode',
'struct socket',
'struct file',
+ 'struct bpf_timer',
}
mapped_types = {
'u8': '__u8',
diff --git a/scripts/check_extable.sh b/scripts/check_extable.sh
index 93af93c7b346..4b380564cf74 100755
--- a/scripts/check_extable.sh
+++ b/scripts/check_extable.sh
@@ -4,7 +4,7 @@
obj=$1
-file ${obj} | grep -q ELF || (echo "${obj} is not and ELF file." 1>&2 ; exit 0)
+file ${obj} | grep -q ELF || (echo "${obj} is not an ELF file." 1>&2 ; exit 0)
# Bail out early if there isn't an __ex_table section in this object file.
objdump -hj __ex_table ${obj} 2> /dev/null > /dev/null
diff --git a/scripts/checkdeclares.pl b/scripts/checkdeclares.pl
index f6d551c84fc6..f6d551c84fc6 100644..100755
--- a/scripts/checkdeclares.pl
+++ b/scripts/checkdeclares.pl
diff --git a/scripts/checkkconfigsymbols.py b/scripts/checkkconfigsymbols.py
index 1548f9ce4682..b9b0f15e5880 100755
--- a/scripts/checkkconfigsymbols.py
+++ b/scripts/checkkconfigsymbols.py
@@ -329,7 +329,7 @@ def check_symbols_helper(pool, ignore):
if REGEX_FILE_KCONFIG.match(gitfile):
kconfig_files.append(gitfile)
else:
- if ignore and not re.match(ignore, gitfile):
+ if ignore and re.match(ignore, gitfile):
continue
# add source files that do not match the ignore pattern
source_files.append(gitfile)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 461d4221e4a4..c27d2312cfc3 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -501,7 +501,7 @@ our $Binary = qr{(?i)0b[01]+$Int_type?};
our $Hex = qr{(?i)0x[0-9a-f]+$Int_type?};
our $Int = qr{[0-9]+$Int_type?};
our $Octal = qr{0[0-7]+$Int_type?};
-our $String = qr{"[X\t]*"};
+our $String = qr{(?:\b[Lu])?"[X\t]*"};
our $Float_hex = qr{(?i)0x[0-9a-f]+p-?[0-9]+[fl]?};
our $Float_dec = qr{(?i)(?:[0-9]+\.[0-9]*|[0-9]*\.[0-9]+)(?:e-?[0-9]+)?[fl]?};
our $Float_int = qr{(?i)[0-9]+e-?[0-9]+[fl]?};
@@ -1181,7 +1181,8 @@ sub git_commit_info {
# git log --format='%H %s' -1 $line |
# echo "commit $(cut -c 1-12,41-)"
# done
- } elsif ($lines[0] =~ /^fatal: ambiguous argument '$commit': unknown revision or path not in the working tree\./) {
+ } elsif ($lines[0] =~ /^fatal: ambiguous argument '$commit': unknown revision or path not in the working tree\./ ||
+ $lines[0] =~ /^fatal: bad object $commit/) {
$id = undef;
} else {
$id = substr($lines[0], 0, 12);
@@ -2587,6 +2588,8 @@ sub process {
my $reported_maintainer_file = 0;
my $non_utf8_charset = 0;
+ my $last_git_commit_id_linenr = -1;
+
my $last_blank_line = 0;
my $last_coalesced_string_linenr = -1;
@@ -2909,10 +2912,10 @@ sub process {
my ($email_name, $email_comment, $email_address, $comment1) = parse_email($ctx);
my ($author_name, $author_comment, $author_address, $comment2) = parse_email($author);
- if ($email_address eq $author_address && $email_name eq $author_name) {
+ if (lc $email_address eq lc $author_address && $email_name eq $author_name) {
$author_sob = $ctx;
$authorsignoff = 2;
- } elsif ($email_address eq $author_address) {
+ } elsif (lc $email_address eq lc $author_address) {
$author_sob = $ctx;
$authorsignoff = 3;
} elsif ($email_name eq $author_name) {
@@ -3170,10 +3173,20 @@ sub process {
}
# Check for git id commit length and improperly formed commit descriptions
- if ($in_commit_log && !$commit_log_possible_stack_dump &&
+# A correctly formed commit description is:
+# commit <SHA-1 hash length 12+ chars> ("Complete commit subject")
+# with the commit subject '("' prefix and '")' suffix
+# This is a fairly compilicated block as it tests for what appears to be
+# bare SHA-1 hash with minimum length of 5. It also avoids several types of
+# possible SHA-1 matches.
+# A commit match can span multiple lines so this block attempts to find a
+# complete typical commit on a maximum of 3 lines
+ if ($perl_version_ok &&
+ $in_commit_log && !$commit_log_possible_stack_dump &&
$line !~ /^\s*(?:Link|Patchwork|http|https|BugLink|base-commit):/i &&
$line !~ /^This reverts commit [0-9a-f]{7,40}/ &&
- ($line =~ /\bcommit\s+[0-9a-f]{5,}\b/i ||
+ (($line =~ /\bcommit\s+[0-9a-f]{5,}\b/i ||
+ ($line =~ /\bcommit\s*$/i && defined($rawlines[$linenr]) && $rawlines[$linenr] =~ /^\s*[0-9a-f]{5,}\b/i)) ||
($line =~ /(?:\s|^)[0-9a-f]{12,40}(?:[\s"'\(\[]|$)/i &&
$line !~ /[\<\[][0-9a-f]{12,40}[\>\]]/i &&
$line !~ /\bfixes:\s*[0-9a-f]{12,40}/i))) {
@@ -3183,49 +3196,56 @@ sub process {
my $long = 0;
my $case = 1;
my $space = 1;
- my $hasdesc = 0;
- my $hasparens = 0;
my $id = '0123456789ab';
my $orig_desc = "commit description";
my $description = "";
+ my $herectx = $herecurr;
+ my $has_parens = 0;
+ my $has_quotes = 0;
+
+ my $input = $line;
+ if ($line =~ /(?:\bcommit\s+[0-9a-f]{5,}|\bcommit\s*$)/i) {
+ for (my $n = 0; $n < 2; $n++) {
+ if ($input =~ /\bcommit\s+[0-9a-f]{5,}\s*($balanced_parens)/i) {
+ $orig_desc = $1;
+ $has_parens = 1;
+ # Always strip leading/trailing parens then double quotes if existing
+ $orig_desc = substr($orig_desc, 1, -1);
+ if ($orig_desc =~ /^".*"$/) {
+ $orig_desc = substr($orig_desc, 1, -1);
+ $has_quotes = 1;
+ }
+ last;
+ }
+ last if ($#lines < $linenr + $n);
+ $input .= " " . trim($rawlines[$linenr + $n]);
+ $herectx .= "$rawlines[$linenr + $n]\n";
+ }
+ $herectx = $herecurr if (!$has_parens);
+ }
- if ($line =~ /\b(c)ommit\s+([0-9a-f]{5,})\b/i) {
+ if ($input =~ /\b(c)ommit\s+([0-9a-f]{5,})\b/i) {
$init_char = $1;
$orig_commit = lc($2);
- } elsif ($line =~ /\b([0-9a-f]{12,40})\b/i) {
+ $short = 0 if ($input =~ /\bcommit\s+[0-9a-f]{12,40}/i);
+ $long = 1 if ($input =~ /\bcommit\s+[0-9a-f]{41,}/i);
+ $space = 0 if ($input =~ /\bcommit [0-9a-f]/i);
+ $case = 0 if ($input =~ /\b[Cc]ommit\s+[0-9a-f]{5,40}[^A-F]/);
+ } elsif ($input =~ /\b([0-9a-f]{12,40})\b/i) {
$orig_commit = lc($1);
}
- $short = 0 if ($line =~ /\bcommit\s+[0-9a-f]{12,40}/i);
- $long = 1 if ($line =~ /\bcommit\s+[0-9a-f]{41,}/i);
- $space = 0 if ($line =~ /\bcommit [0-9a-f]/i);
- $case = 0 if ($line =~ /\b[Cc]ommit\s+[0-9a-f]{5,40}[^A-F]/);
- if ($line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("([^"]+)"\)/i) {
- $orig_desc = $1;
- $hasparens = 1;
- } elsif ($line =~ /\bcommit\s+[0-9a-f]{5,}\s*$/i &&
- defined $rawlines[$linenr] &&
- $rawlines[$linenr] =~ /^\s*\("([^"]+)"\)/) {
- $orig_desc = $1;
- $hasparens = 1;
- } elsif ($line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("[^"]+$/i &&
- defined $rawlines[$linenr] &&
- $rawlines[$linenr] =~ /^\s*[^"]+"\)/) {
- $line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("([^"]+)$/i;
- $orig_desc = $1;
- $rawlines[$linenr] =~ /^\s*([^"]+)"\)/;
- $orig_desc .= " " . $1;
- $hasparens = 1;
- }
-
($id, $description) = git_commit_info($orig_commit,
$id, $orig_desc);
if (defined($id) &&
- ($short || $long || $space || $case || ($orig_desc ne $description) || !$hasparens)) {
+ ($short || $long || $space || $case || ($orig_desc ne $description) || !$has_quotes) &&
+ $last_git_commit_id_linenr != $linenr - 1) {
ERROR("GIT_COMMIT_ID",
- "Please use git commit description style 'commit <12+ chars of sha1> (\"<title line>\")' - ie: '${init_char}ommit $id (\"$description\")'\n" . $herecurr);
+ "Please use git commit description style 'commit <12+ chars of sha1> (\"<title line>\")' - ie: '${init_char}ommit $id (\"$description\")'\n" . $herectx);
}
+ #don't report the next line if this line ends in commit and the sha1 hash is the next line
+ $last_git_commit_id_linenr = $linenr if ($line =~ /\bcommit\s*$/i);
}
# Check for added, moved or deleted files
@@ -6132,7 +6152,8 @@ sub process {
}
# concatenated string without spaces between elements
- if ($line =~ /$String[A-Za-z0-9_]/ || $line =~ /[A-Za-z0-9_]$String/) {
+ if ($line =~ /$String[A-Z_]/ ||
+ ($line =~ /([A-Za-z0-9_]+)$String/ && $1 !~ /^[Lu]$/)) {
if (CHK("CONCATENATED_STRING",
"Concatenated strings should use spaces between elements\n" . $herecurr) &&
$fix) {
@@ -6145,7 +6166,7 @@ sub process {
}
# uncoalesced string fragments
- if ($line =~ /$String\s*"/) {
+ if ($line =~ /$String\s*[Lu]?"/) {
if (WARN("STRING_FRAGMENTS",
"Consecutive strings are generally better as a single string\n" . $herecurr) &&
$fix) {
diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh
index b7609958ee36..fd9777f63f14 100755
--- a/scripts/checksyscalls.sh
+++ b/scripts/checksyscalls.sh
@@ -266,4 +266,4 @@ syscall_list() {
}
(ignore_list && syscall_list $(dirname $0)/../arch/x86/entry/syscalls/syscall_32.tbl) | \
-$* -E -x c - > /dev/null
+$* -Wno-error -E -x c - > /dev/null
diff --git a/scripts/checkversion.pl b/scripts/checkversion.pl
index f67b125c5269..94cd49eff605 100755
--- a/scripts/checkversion.pl
+++ b/scripts/checkversion.pl
@@ -1,10 +1,10 @@
#! /usr/bin/env perl
# SPDX-License-Identifier: GPL-2.0
#
-# checkversion find uses of LINUX_VERSION_CODE or KERNEL_VERSION
-# without including <linux/version.h>, or cases of
-# including <linux/version.h> that don't need it.
-# Copyright (C) 2003, Randy Dunlap <rdunlap@xenotime.net>
+# checkversion finds uses of all macros in <linux/version.h>
+# where the source files do not #include <linux/version.h>; or cases
+# of including <linux/version.h> where it is not needed.
+# Copyright (C) 2003, Randy Dunlap <rdunlap@infradead.org>
use strict;
@@ -13,7 +13,8 @@ $| = 1;
my $debugging;
foreach my $file (@ARGV) {
- next if $file =~ "include/linux/version\.h";
+ next if $file =~ "include/generated/uapi/linux/version\.h";
+ next if $file =~ "usr/include/linux/version\.h";
# Open this file.
open( my $f, '<', $file )
or die "Can't open $file: $!\n";
@@ -41,8 +42,11 @@ foreach my $file (@ARGV) {
$iLinuxVersion = $. if m/^\s*#\s*include\s*<linux\/version\.h>/o;
}
- # Look for uses: LINUX_VERSION_CODE, KERNEL_VERSION, UTS_RELEASE
- if (($_ =~ /LINUX_VERSION_CODE/) || ($_ =~ /\WKERNEL_VERSION/)) {
+ # Look for uses: LINUX_VERSION_CODE, KERNEL_VERSION,
+ # LINUX_VERSION_MAJOR, LINUX_VERSION_PATCHLEVEL, LINUX_VERSION_SUBLEVEL
+ if (($_ =~ /LINUX_VERSION_CODE/) || ($_ =~ /\WKERNEL_VERSION/) ||
+ ($_ =~ /LINUX_VERSION_MAJOR/) || ($_ =~ /LINUX_VERSION_PATCHLEVEL/) ||
+ ($_ =~ /LINUX_VERSION_SUBLEVEL/)) {
$fUseVersion = 1;
last if $iLinuxVersion;
}
diff --git a/scripts/clang-tools/gen_compile_commands.py b/scripts/clang-tools/gen_compile_commands.py
index b7e9ecf16e56..0033eedce003 100755
--- a/scripts/clang-tools/gen_compile_commands.py
+++ b/scripts/clang-tools/gen_compile_commands.py
@@ -18,7 +18,7 @@ _DEFAULT_OUTPUT = 'compile_commands.json'
_DEFAULT_LOG_LEVEL = 'WARNING'
_FILENAME_PATTERN = r'^\..*\.cmd$'
-_LINE_PATTERN = r'^cmd_[^ ]*\.o := (.* )([^ ]*\.c)$'
+_LINE_PATTERN = r'^cmd_[^ ]*\.o := (.* )([^ ]*\.c) *(;|$)'
_VALID_LOG_LEVELS = ['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL']
# The tools/ directory adopts a different build system, and produces .cmd
# files in a different format. Do not support it.
diff --git a/scripts/gcc-plugins/gen-random-seed.sh b/scripts/gcc-plugins/gen-random-seed.sh
index 68af5cc20a64..68af5cc20a64 100644..100755
--- a/scripts/gcc-plugins/gen-random-seed.sh
+++ b/scripts/gcc-plugins/gen-random-seed.sh
diff --git a/scripts/gen_autoksyms.sh b/scripts/gen_autoksyms.sh
index da320151e7c3..6ed0d225c8b1 100755
--- a/scripts/gen_autoksyms.sh
+++ b/scripts/gen_autoksyms.sh
@@ -26,18 +26,6 @@ if [ -n "$CONFIG_MODVERSIONS" ]; then
needed_symbols="$needed_symbols module_layout"
fi
-# With CONFIG_LTO_CLANG, LLVM bitcode has not yet been compiled into a binary
-# when the .mod files are generated, which means they don't yet contain
-# references to certain symbols that will be present in the final binaries.
-if [ -n "$CONFIG_LTO_CLANG" ]; then
- # intrinsic functions
- needed_symbols="$needed_symbols memcpy memmove memset"
- # ftrace
- needed_symbols="$needed_symbols _mcount"
- # stack protector symbols
- needed_symbols="$needed_symbols __stack_chk_fail __stack_chk_guard"
-fi
-
ksym_wl=
if [ -n "$CONFIG_UNUSED_KSYMS_WHITELIST" ]; then
# Use 'eval' to expand the whitelist path and check if it is relative
diff --git a/scripts/gen_ksymdeps.sh b/scripts/gen_ksymdeps.sh
index 1324986e1362..8ee533f33659 100755
--- a/scripts/gen_ksymdeps.sh
+++ b/scripts/gen_ksymdeps.sh
@@ -4,7 +4,13 @@
set -e
# List of exported symbols
-ksyms=$($NM $1 | sed -n 's/.*__ksym_marker_\(.*\)/\1/p' | tr A-Z a-z)
+#
+# If the object has no symbol, $NM warns 'no symbols'.
+# Suppress the stderr.
+# TODO:
+# Use -q instead of 2>/dev/null when we upgrade the minimum version of
+# binutils to 2.37, llvm to 13.0.0.
+ksyms=$($NM $1 2>/dev/null | sed -n 's/.*__ksym_marker_\(.*\)/\1/p')
if [ -z "$ksyms" ]; then
exit 0
@@ -15,8 +21,7 @@ echo "ksymdeps_$1 := \\"
for s in $ksyms
do
- echo $s | sed -e 's:^_*: $(wildcard include/ksym/:' \
- -e 's:__*:/:g' -e 's/$/.h) \\/'
+ printf ' $(wildcard include/ksym/%s) \\\n' "$s"
done
echo
diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh
index 63c8565206a4..e5b46980c22a 100755
--- a/scripts/kconfig/merge_config.sh
+++ b/scripts/kconfig/merge_config.sh
@@ -28,6 +28,7 @@ usage() {
echo " -r list redundant entries when merging fragments"
echo " -y make builtin have precedence over modules"
echo " -O dir to put generated output files. Consider setting \$KCONFIG_CONFIG instead."
+ echo " -s strict mode. Fail if the fragment redefines any value."
echo
echo "Used prefix: '$CONFIG_PREFIX'. You can redefine it with \$CONFIG_ environment variable."
}
@@ -37,6 +38,7 @@ ALLTARGET=alldefconfig
WARNREDUN=false
BUILTIN=false
OUTPUT=.
+STRICT=false
CONFIG_PREFIX=${CONFIG_-CONFIG_}
while true; do
@@ -75,6 +77,11 @@ while true; do
shift 2
continue
;;
+ "-s")
+ STRICT=true
+ shift
+ continue
+ ;;
*)
break
;;
@@ -141,6 +148,9 @@ for ORIG_MERGE_FILE in $MERGE_LIST ; do
echo Previous value: $PREV_VAL
echo New value: $NEW_VAL
echo
+ if [ "$STRICT" = "true" ]; then
+ STRICT_MODE_VIOLATED=true
+ fi
elif [ "$WARNREDUN" = "true" ]; then
echo Value of $CFG is redundant by fragment $ORIG_MERGE_FILE:
fi
@@ -153,6 +163,11 @@ for ORIG_MERGE_FILE in $MERGE_LIST ; do
cat $MERGE_FILE >> $TMP_FILE
done
+if [ "$STRICT_MODE_VIOLATED" = "true" ]; then
+ echo "The fragment redefined a value and strict mode had been passed."
+ exit 1
+fi
+
if [ "$RUNMAKE" = "false" ]; then
cp -T -- "$TMP_FILE" "$KCONFIG_CONFIG"
echo "#"
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 7c4a6a507ac4..cfcb60737957 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -329,10 +329,6 @@ if (defined($ENV{'KBUILD_VERBOSE'})) {
$verbose = "$ENV{'KBUILD_VERBOSE'}";
}
-if (defined($ENV{'KDOC_WERROR'})) {
- $Werror = "$ENV{'KDOC_WERROR'}";
-}
-
if (defined($ENV{'KCFLAGS'})) {
my $kcflags = "$ENV{'KCFLAGS'}";
@@ -341,6 +337,10 @@ if (defined($ENV{'KCFLAGS'})) {
}
}
+if (defined($ENV{'KDOC_WERROR'})) {
+ $Werror = "$ENV{'KDOC_WERROR'}";
+}
+
# Generated docbook code is inserted in a template at a point where
# docbook v3.1 requires a non-zero sequence of RefEntry's; see:
# https://www.oasis-open.org/docbook/documentation/reference/html/refentry.html
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index 36ef7b37fc5d..d74cee5c4326 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -149,67 +149,54 @@ objtool_link()
# ${2}, ${3}, ... - optional extra .o files
vmlinux_link()
{
- local lds="${objtree}/${KBUILD_LDS}"
local output=${1}
- local objects
- local strip_debug
- local map_option
+ local objs
+ local libs
+ local ld
+ local ldflags
+ local ldlibs
info LD ${output}
# skip output file argument
shift
+ if [ -n "${CONFIG_LTO_CLANG}" ]; then
+ # Use vmlinux.o instead of performing the slow LTO link again.
+ objs=vmlinux.o
+ libs=
+ else
+ objs="${KBUILD_VMLINUX_OBJS}"
+ libs="${KBUILD_VMLINUX_LIBS}"
+ fi
+
+ if [ "${SRCARCH}" = "um" ]; then
+ wl=-Wl,
+ ld="${CC}"
+ ldflags="${CFLAGS_vmlinux}"
+ ldlibs="-lutil -lrt -lpthread"
+ else
+ wl=
+ ld="${LD}"
+ ldflags="${KBUILD_LDFLAGS} ${LDFLAGS_vmlinux}"
+ ldlibs=
+ fi
+
+ ldflags="${ldflags} ${wl}--script=${objtree}/${KBUILD_LDS}"
+
# The kallsyms linking does not need debug symbols included.
if [ "$output" != "${output#.tmp_vmlinux.kallsyms}" ] ; then
- strip_debug=-Wl,--strip-debug
+ ldflags="${ldflags} ${wl}--strip-debug"
fi
if [ -n "${CONFIG_VMLINUX_MAP}" ]; then
- map_option="-Map=${output}.map"
+ ldflags="${ldflags} ${wl}-Map=${output}.map"
fi
- if [ "${SRCARCH}" != "um" ]; then
- if [ -n "${CONFIG_LTO_CLANG}" ]; then
- # Use vmlinux.o instead of performing the slow LTO
- # link again.
- objects="--whole-archive \
- vmlinux.o \
- --no-whole-archive \
- ${@}"
- else
- objects="--whole-archive \
- ${KBUILD_VMLINUX_OBJS} \
- --no-whole-archive \
- --start-group \
- ${KBUILD_VMLINUX_LIBS} \
- --end-group \
- ${@}"
- fi
-
- ${LD} ${KBUILD_LDFLAGS} ${LDFLAGS_vmlinux} \
- ${strip_debug#-Wl,} \
- -o ${output} \
- ${map_option} \
- -T ${lds} ${objects}
- else
- objects="-Wl,--whole-archive \
- ${KBUILD_VMLINUX_OBJS} \
- -Wl,--no-whole-archive \
- -Wl,--start-group \
- ${KBUILD_VMLINUX_LIBS} \
- -Wl,--end-group \
- ${@}"
-
- ${CC} ${CFLAGS_vmlinux} \
- ${strip_debug} \
- -o ${output} \
- ${map_option:+-Wl,${map_option}} \
- -Wl,-T,${lds} \
- ${objects} \
- -lutil -lrt -lpthread
- rm -f linux
- fi
+ ${ld} ${ldflags} -o ${output} \
+ ${wl}--whole-archive ${objs} ${wl}--no-whole-archive \
+ ${wl}--start-group ${libs} ${wl}--end-group \
+ $@ ${ldlibs}
}
# generate .BTF typeinfo from DWARF debuginfo
diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-offsets.c
index 9bb6c7edccc4..cc3625617a0e 100644
--- a/scripts/mod/devicetable-offsets.c
+++ b/scripts/mod/devicetable-offsets.c
@@ -42,6 +42,7 @@ int main(void)
DEVID_FIELD(pci_device_id, subdevice);
DEVID_FIELD(pci_device_id, class);
DEVID_FIELD(pci_device_id, class_mask);
+ DEVID_FIELD(pci_device_id, override_only);
DEVID(ccw_device_id);
DEVID_FIELD(ccw_device_id, match_flags);
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 7c97fa8e36bc..49aba862073e 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -426,7 +426,7 @@ static int do_ieee1394_entry(const char *filename,
return 1;
}
-/* Looks like: pci:vNdNsvNsdNbcNscNiN. */
+/* Looks like: pci:vNdNsvNsdNbcNscNiN or <prefix>_pci:vNdNsvNsdNbcNscNiN. */
static int do_pci_entry(const char *filename,
void *symval, char *alias)
{
@@ -440,8 +440,21 @@ static int do_pci_entry(const char *filename,
DEF_FIELD(symval, pci_device_id, subdevice);
DEF_FIELD(symval, pci_device_id, class);
DEF_FIELD(symval, pci_device_id, class_mask);
+ DEF_FIELD(symval, pci_device_id, override_only);
+
+ switch (override_only) {
+ case 0:
+ strcpy(alias, "pci:");
+ break;
+ case PCI_ID_F_VFIO_DRIVER_OVERRIDE:
+ strcpy(alias, "vfio_pci:");
+ break;
+ default:
+ warn("Unknown PCI driver_override alias %08X\n",
+ override_only);
+ return 0;
+ }
- strcpy(alias, "pci:");
ADD(alias, "v", vendor != PCI_ANY_ID, vendor);
ADD(alias, "d", device != PCI_ANY_ID, device);
ADD(alias, "sv", subvendor != PCI_ANY_ID, subvendor);
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 270a7df898e2..cb8ab7d91d30 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -17,6 +17,7 @@
#include <ctype.h>
#include <string.h>
#include <limits.h>
+#include <stdbool.h>
#include <errno.h>
#include "modpost.h"
#include "../../include/linux/license.h"
@@ -89,6 +90,14 @@ modpost_log(enum loglevel loglevel, const char *fmt, ...)
error_occurred = true;
}
+static inline bool strends(const char *str, const char *postfix)
+{
+ if (strlen(str) < strlen(postfix))
+ return false;
+
+ return strcmp(str + strlen(str) - strlen(postfix), postfix) == 0;
+}
+
void *do_nofail(void *ptr, const char *expr)
{
if (!ptr)
@@ -931,7 +940,7 @@ static void check_section(const char *modname, struct elf_info *elf,
".kprobes.text", ".cpuidle.text", ".noinstr.text"
#define OTHER_TEXT_SECTIONS ".ref.text", ".head.text", ".spinlock.text", \
".fixup", ".entry.text", ".exception.text", ".text.*", \
- ".coldtext"
+ ".coldtext", ".softirqentry.text"
#define INIT_SECTIONS ".init.*"
#define MEM_INIT_SECTIONS ".meminit.*"
@@ -2060,7 +2069,7 @@ static void read_symbols(const char *modname)
if (!mod->is_vmlinux) {
version = get_modinfo(&info, "version");
if (version || all_versions)
- get_src_version(modname, mod->srcversion,
+ get_src_version(mod->name, mod->srcversion,
sizeof(mod->srcversion) - 1);
}
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index c1a895c0d682..0c47ff95c0e2 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -2,7 +2,6 @@
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
-#include <stdbool.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
@@ -178,14 +177,6 @@ static inline unsigned int get_secindex(const struct elf_info *info,
return info->symtab_shndx_start[sym - info->symtab_start];
}
-static inline bool strends(const char *str, const char *postfix)
-{
- if (strlen(str) < strlen(postfix))
- return false;
-
- return strcmp(str + strlen(str) - strlen(postfix), postfix) == 0;
-}
-
/* file2alias.c */
extern unsigned int cross_build;
void handle_moddevtable(struct module *mod, struct elf_info *info,
diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c
index 760e6baa7eda..905c0ec291e1 100644
--- a/scripts/mod/sumversion.c
+++ b/scripts/mod/sumversion.c
@@ -391,14 +391,9 @@ void get_src_version(const char *modname, char sum[], unsigned sumlen)
struct md4_ctx md;
char *fname;
char filelist[PATH_MAX + 1];
- int postfix_len = 1;
-
- if (strends(modname, ".lto.o"))
- postfix_len = 5;
/* objects for a module are listed in the first line of *.mod file. */
- snprintf(filelist, sizeof(filelist), "%.*smod",
- (int)strlen(modname) - postfix_len, modname);
+ snprintf(filelist, sizeof(filelist), "%s.mod", modname);
buf = read_text_file(filelist);
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index c17e48020ec3..8f6b13ae46bf 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -173,39 +173,6 @@ my $mcount_regex; # Find the call site to mcount (return offset)
my $mcount_adjust; # Address adjustment to mcount offset
my $alignment; # The .align value to use for $mcount_section
my $section_type; # Section header plus possible alignment command
-my $can_use_local = 0; # If we can use local function references
-
-# Shut up recordmcount if user has older objcopy
-my $quiet_recordmcount = ".tmp_quiet_recordmcount";
-my $print_warning = 1;
-$print_warning = 0 if ( -f $quiet_recordmcount);
-
-##
-# check_objcopy - whether objcopy supports --globalize-symbols
-#
-# --globalize-symbols came out in 2.17, we must test the version
-# of objcopy, and if it is less than 2.17, then we can not
-# record local functions.
-sub check_objcopy
-{
- open (IN, "$objcopy --version |") or die "error running $objcopy";
- while (<IN>) {
- if (/objcopy.*\s(\d+)\.(\d+)/) {
- $can_use_local = 1 if ($1 > 2 || ($1 == 2 && $2 >= 17));
- last;
- }
- }
- close (IN);
-
- if (!$can_use_local && $print_warning) {
- print STDERR "WARNING: could not find objcopy version or version " .
- "is less than 2.17.\n" .
- "\tLocal function references are disabled.\n";
- open (QUIET, ">$quiet_recordmcount");
- printf QUIET "Disables the warning from recordmcount.pl\n";
- close QUIET;
- }
-}
if ($arch =~ /(x86(_64)?)|(i386)/) {
if ($bits == 64) {
@@ -434,8 +401,6 @@ if ($filename =~ m,^(.*)(\.\S),) {
my $mcount_s = $dirname . "/.tmp_mc_" . $prefix . ".s";
my $mcount_o = $dirname . "/.tmp_mc_" . $prefix . ".o";
-check_objcopy();
-
#
# Step 1: find all the local (static functions) and weak symbols.
# 't' is local, 'w/W' is weak
@@ -473,11 +438,6 @@ sub update_funcs
# is this function static? If so, note this fact.
if (defined $locals{$ref_func}) {
-
- # only use locals if objcopy supports globalize-symbols
- if (!$can_use_local) {
- return;
- }
$convert{$ref_func} = 1;
}
diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index 151f04971faa..6b54e46a0f12 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -131,11 +131,14 @@ res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}"
if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then
# full scm version string
res="$res$(scm_version)"
-elif [ -z "${LOCALVERSION}" ]; then
- # append a plus sign if the repository is not in a clean
- # annotated or signed tagged state (as git describe only
- # looks at signed or annotated tags - git tag -a/-s) and
- # LOCALVERSION= is not specified
+elif [ "${LOCALVERSION+set}" != "set" ]; then
+ # If the variable LOCALVERSION is not set, append a plus
+ # sign if the repository is not in a clean annotated or
+ # signed tagged state (as git describe only looks at signed
+ # or annotated tags - git tag -a/-s).
+ #
+ # If the variable LOCALVERSION is set (including being set
+ # to an empty string), we don't want to append a plus sign.
scm=$(scm_version --short)
res="$res${scm:++}"
fi
diff --git a/scripts/spdxcheck-test.sh b/scripts/spdxcheck-test.sh
index cfea6a0d1cc0..cb76324756bd 100644
--- a/scripts/spdxcheck-test.sh
+++ b/scripts/spdxcheck-test.sh
@@ -1,12 +1,10 @@
#!/bin/sh
-for PYTHON in python2 python3; do
- # run check on a text and a binary file
- for FILE in Makefile Documentation/logo.gif; do
- $PYTHON scripts/spdxcheck.py $FILE
- $PYTHON scripts/spdxcheck.py - < $FILE
- done
-
- # run check on complete tree to catch any other issues
- $PYTHON scripts/spdxcheck.py > /dev/null
+# run check on a text and a binary file
+for FILE in Makefile Documentation/logo.gif; do
+ python3 scripts/spdxcheck.py $FILE
+ python3 scripts/spdxcheck.py - < $FILE
done
+
+# run check on complete tree to catch any other issues
+python3 scripts/spdxcheck.py > /dev/null
diff --git a/scripts/spdxcheck.py b/scripts/spdxcheck.py
index 3e784cf9f401..ebd06ae642c9 100755
--- a/scripts/spdxcheck.py
+++ b/scripts/spdxcheck.py
@@ -44,7 +44,7 @@ def read_spdxdata(repo):
continue
exception = None
- for l in open(el.path).readlines():
+ for l in open(el.path, encoding="utf-8").readlines():
if l.startswith('Valid-License-Identifier:'):
lid = l.split(':')[1].strip().upper()
if lid in spdx.licenses:
diff --git a/scripts/subarch.include b/scripts/subarch.include
index 650682821126..776849a3c500 100644
--- a/scripts/subarch.include
+++ b/scripts/subarch.include
@@ -7,7 +7,7 @@
SUBARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \
-e s/sun4u/sparc64/ \
-e s/arm.*/arm/ -e s/sa110/arm/ \
- -e s/s390x/s390/ -e s/parisc64/parisc/ \
+ -e s/s390x/s390/ \
-e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
-e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \
-e s/riscv.*/riscv/)
diff --git a/scripts/syscallnr.sh b/scripts/syscallnr.sh
index 3aa29e0dcc52..3aa29e0dcc52 100644..100755
--- a/scripts/syscallnr.sh
+++ b/scripts/syscallnr.sh
diff --git a/scripts/tracing/draw_functrace.py b/scripts/tracing/draw_functrace.py
index 74f8aadfd4cb..7011fbe003ff 100755
--- a/scripts/tracing/draw_functrace.py
+++ b/scripts/tracing/draw_functrace.py
@@ -17,7 +17,7 @@ Usage:
$ cat /sys/kernel/debug/tracing/trace_pipe > ~/raw_trace_func
Wait some times but not too much, the script is a bit slow.
Break the pipe (Ctrl + Z)
- $ scripts/draw_functrace.py < raw_trace_func > draw_functrace
+ $ scripts/tracing/draw_functrace.py < ~/raw_trace_func > draw_functrace
Then you have your drawn trace in draw_functrace
"""
@@ -103,10 +103,10 @@ def parseLine(line):
line = line.strip()
if line.startswith("#"):
raise CommentLineException
- m = re.match("[^]]+?\\] +([0-9.]+): (\\w+) <-(\\w+)", line)
+ m = re.match("[^]]+?\\] +([a-z.]+) +([0-9.]+): (\\w+) <-(\\w+)", line)
if m is None:
raise BrokenLineException
- return (m.group(1), m.group(2), m.group(3))
+ return (m.group(2), m.group(3), m.group(4))
def main():
diff --git a/scripts/xen-hypercalls.sh b/scripts/xen-hypercalls.sh
index f18b00843df3..f18b00843df3 100644..100755
--- a/scripts/xen-hypercalls.sh
+++ b/scripts/xen-hypercalls.sh