Merging upstream version 6.7.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

38 files changed, 622 insertions, 337 deletions

diff --git a/scripts/Makefile.btf b/scripts/Makefile.btf
new file mode 100644
index 000000000..82377e470
--- /dev/null
+++ b/scripts/Makefile.btf
@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: GPL-2.0
+
+pahole-ver := $(CONFIG_PAHOLE_VERSION)
+pahole-flags-y :=
+
+# pahole 1.18 through 1.21 can't handle zero-sized per-CPU vars
+ifeq ($(call test-le, $(pahole-ver), 121),y)
+pahole-flags-$(call test-ge, $(pahole-ver), 118)	+= --skip_encoding_btf_vars
+endif
+
+pahole-flags-$(call test-ge, $(pahole-ver), 121)	+= --btf_gen_floats
+
+pahole-flags-$(call test-ge, $(pahole-ver), 122)	+= -j
+
+pahole-flags-$(CONFIG_PAHOLE_HAS_LANG_EXCLUDE)		+= --lang_exclude=rust
+
+pahole-flags-$(call test-ge, $(pahole-ver), 125)	+= --skip_encoding_btf_inconsistent_proto --btf_gen_optimized
+
+export PAHOLE_FLAGS := $(pahole-flags-y)
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 82e3fb19f..9a3063735 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -262,7 +262,7 @@ $(obj)/%.lst: $(src)/%.c FORCE
 # Compile Rust sources (.rs)
 # ---------------------------------------------------------------------------
 
-rust_allowed_features := new_uninit
+rust_allowed_features := new_uninit,offset_of
 
 # `--out-dir` is required to avoid temporaries being created by `rustc` in the
 # current working directory, which may be not accessible in the out-of-tree
@@ -425,7 +425,7 @@ $(obj)/lib.a: $(lib-y) FORCE
 	$(call if_changed,ar)
 
 quiet_cmd_ld_multi_m = LD [M]  $@
-      cmd_ld_multi_m = $(LD) $(ld_flags) -r -o $@ @$(patsubst %.o,%.mod,$@) $(cmd_objtool)
+      cmd_ld_multi_m = $(LD) $(ld_flags) -r -o $@ @$< $(cmd_objtool)
 
 define rule_ld_multi_m
 	$(call cmd_and_savecmd,ld_multi_m)
diff --git a/scripts/Makefile.host b/scripts/Makefile.host
index 8f7f842b5..08d83d9db 100644
--- a/scripts/Makefile.host
+++ b/scripts/Makefile.host
@@ -91,6 +91,8 @@ hostcxx_flags  = -Wp,-MMD,$(depfile) \
 # current working directory, which may be not accessible in the out-of-tree
 # modules case.
 hostrust_flags = --out-dir $(dir $@) --emit=dep-info=$(depfile) \
+		 -Clinker-flavor=gcc -Clinker=$(HOSTCC) \
+		 -Clink-args='$(call escsq,$(KBUILD_HOSTLDFLAGS))' \
                  $(KBUILD_HOSTRUSTFLAGS) $(HOST_EXTRARUSTFLAGS) \
                  $(HOSTRUSTFLAGS_$(target-stem))
 
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 68d0134bd..1a965fe68 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -487,14 +487,14 @@ UIMAGE_OPTS-y ?=
 UIMAGE_TYPE ?= kernel
 UIMAGE_LOADADDR ?= arch_must_set_this
 UIMAGE_ENTRYADDR ?= $(UIMAGE_LOADADDR)
-UIMAGE_NAME ?= 'Linux-$(KERNELRELEASE)'
+UIMAGE_NAME ?= Linux-$(KERNELRELEASE)
 
 quiet_cmd_uimage = UIMAGE  $@
       cmd_uimage = $(BASH) $(MKIMAGE) -A $(UIMAGE_ARCH) -O linux \
 			-C $(UIMAGE_COMPRESSION) $(UIMAGE_OPTS-y) \
 			-T $(UIMAGE_TYPE) \
 			-a $(UIMAGE_LOADADDR) -e $(UIMAGE_ENTRYADDR) \
-			-n $(UIMAGE_NAME) -d $< $@
+			-n '$(UIMAGE_NAME)' -d $< $@
 
 # XZ
 # ---------------------------------------------------------------------------
diff --git a/scripts/Makefile.modfinal b/scripts/Makefile.modfinal
index b3a6aa8fb..8568d256d 100644
--- a/scripts/Makefile.modfinal
+++ b/scripts/Makefile.modfinal
@@ -28,14 +28,11 @@ quiet_cmd_cc_o_c = CC [M]  $@
 %.mod.o: %.mod.c FORCE
 	$(call if_changed_dep,cc_o_c)
 
-ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
-
 quiet_cmd_ld_ko_o = LD [M]  $@
       cmd_ld_ko_o +=							\
 	$(LD) -r $(KBUILD_LDFLAGS)					\
 		$(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE)		\
-		-T scripts/module.lds -o $@ $(filter %.o, $^);		\
-	$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
+		-T scripts/module.lds -o $@ $(filter %.o, $^)
 
 quiet_cmd_btf_ko = BTF [M] $@
       cmd_btf_ko = 							\
diff --git a/scripts/Makefile.package b/scripts/Makefile.package
index 2bcab02da..3addd1c0b 100644
--- a/scripts/Makefile.package
+++ b/scripts/Makefile.package
@@ -69,9 +69,9 @@ $(linux-tarballs): .tmp_HEAD FORCE
 # ---------------------------------------------------------------------------
 
 quiet_cmd_mkspec = GEN     $@
-      cmd_mkspec = $(srctree)/scripts/package/mkspec > $@
+      cmd_mkspec = $(srctree)/scripts/package/mkspec $@
 
-kernel.spec: FORCE
+rpmbuild/SPECS/kernel.spec: FORCE
 	$(call cmd,mkspec)
 
 PHONY += rpm-sources
@@ -88,14 +88,12 @@ srcrpm-pkg: private build-type := s
 binrpm-pkg: private build-type := b
 
 rpm-pkg srcrpm-pkg: rpm-sources
-rpm-pkg srcrpm-pkg binrpm-pkg: kernel.spec
-	+$(strip rpmbuild -b$(build-type) kernel.spec \
+rpm-pkg srcrpm-pkg binrpm-pkg: rpmbuild/SPECS/kernel.spec
+	+$(strip rpmbuild -b$(build-type) rpmbuild/SPECS/kernel.spec \
 	--define='_topdir $(abspath rpmbuild)' \
 	$(if $(filter a b, $(build-type)), \
 		--target $(UTS_MACHINE)-linux --build-in-place --noprep --define='_smp_mflags %{nil}' \
 		$$(rpm -q rpm >/dev/null 2>&1 || echo --nodeps)) \
-	$(if $(filter b, $(build-type)), \
-		--without devel) \
 	$(RPMOPTS))
 
 # deb-pkg srcdeb-pkg bindeb-pkg
diff --git a/scripts/Makefile.userprogs b/scripts/Makefile.userprogs
index fb4152973..f3a7e1ef3 100644
--- a/scripts/Makefile.userprogs
+++ b/scripts/Makefile.userprogs
@@ -19,19 +19,19 @@ user-cobjs	:= $(addprefix $(obj)/, $(user-cobjs))
 user_ccflags	= -Wp,-MMD,$(depfile) $(KBUILD_USERCFLAGS) $(userccflags) \
 			$($(target-stem)-userccflags)
 user_ldflags	= $(KBUILD_USERLDFLAGS) $(userldflags) $($(target-stem)-userldflags)
+user_ldlibs	= $(userldlibs) $($(target-stem)-userldlibs)
 
 # Create an executable from a single .c file
 quiet_cmd_user_cc_c = CC [U]  $@
       cmd_user_cc_c = $(CC) $(user_ccflags) $(user_ldflags) -o $@ $< \
-		      $($(target-stem)-userldlibs)
+		      $(user_ldlibs)
 $(user-csingle): $(obj)/%: $(src)/%.c FORCE
 	$(call if_changed_dep,user_cc_c)
 
 # Link an executable based on list of .o files
 quiet_cmd_user_ld = LD [U]  $@
       cmd_user_ld = $(CC) $(user_ldflags) -o $@ \
-		    $(addprefix $(obj)/, $($(target-stem)-objs)) \
-		    $($(target-stem)-userldlibs)
+		    $(addprefix $(obj)/, $($(target-stem)-objs)) $(user_ldlibs)
 $(user-cmulti): FORCE
 	$(call if_changed,user_ld)
 $(call multi_depend, $(user-cmulti), , -objs)
diff --git a/scripts/Makefile.vdsoinst b/scripts/Makefile.vdsoinst
new file mode 100644
index 000000000..c477d17b0
--- /dev/null
+++ b/scripts/Makefile.vdsoinst
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# ==========================================================================
+# Install unstripped copies of vDSO
+# ==========================================================================
+
+PHONY := __default
+__default:
+	@:
+
+include $(srctree)/scripts/Kbuild.include
+
+install-dir := $(MODLIB)/vdso
+
+define gen_install_rules
+
+src := $$(firstword $$(subst :,$(space),$(1)))
+dest := $(install-dir)/$$(or $$(word 2,$$(subst :,$(space),$(1))),$$(patsubst %.dbg,%,$$(notdir $(1))))
+
+__default: $$(dest)
+$$(dest): $$(src) FORCE
+	$$(call cmd,install)
+
+# Some architectures create .build-id symlinks
+ifneq ($(filter arm sparc x86, $(SRCARCH)),)
+link := $(install-dir)/.build-id/$$(shell $(READELF) -n $$(src) | sed -n 's@^.*Build ID: \(..\)\(.*\)@\1/\2@p').debug
+
+__default: $$(link)
+$$(link): $$(dest) FORCE
+	$$(call cmd,symlink)
+endif
+
+endef
+
+$(foreach x, $(sort $(INSTALL_FILES)), $(eval $(call gen_install_rules,$(x))))
+
+quiet_cmd_install = INSTALL $@
+      cmd_install = mkdir -p $(dir $@); cp $< $@
+
+quiet_cmd_symlink = SYMLINK $@
+      cmd_symlink = mkdir -p $(dir $@); ln -sf --relative $< $@
+
+PHONY += FORCE
+FORCE:
+
+.PHONY: $(PHONY)
diff --git a/scripts/atomic/gen-atomic-fallback.sh b/scripts/atomic/gen-atomic-fallback.sh
index a45154cef..f80d69cfe 100755
--- a/scripts/atomic/gen-atomic-fallback.sh
+++ b/scripts/atomic/gen-atomic-fallback.sh
@@ -223,14 +223,15 @@ gen_xchg_fallbacks()
 
 gen_try_cmpxchg_fallback()
 {
+	local prefix="$1"; shift
 	local cmpxchg="$1"; shift;
-	local order="$1"; shift;
+	local suffix="$1"; shift;
 
 cat <<EOF
-#define raw_try_${cmpxchg}${order}(_ptr, _oldp, _new) \\
+#define raw_${prefix}try_${cmpxchg}${suffix}(_ptr, _oldp, _new) \\
 ({ \\
 	typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \\
-	___r = raw_${cmpxchg}${order}((_ptr), ___o, (_new)); \\
+	___r = raw_${prefix}${cmpxchg}${suffix}((_ptr), ___o, (_new)); \\
 	if (unlikely(___r != ___o)) \\
 		*___op = ___r; \\
 	likely(___r == ___o); \\
@@ -259,11 +260,11 @@ gen_try_cmpxchg_order_fallback()
 	fi
 
 	printf "#else\n"
-	gen_try_cmpxchg_fallback "${cmpxchg}" "${order}"
+	gen_try_cmpxchg_fallback "" "${cmpxchg}" "${order}"
 	printf "#endif\n\n"
 }
 
-gen_try_cmpxchg_fallbacks()
+gen_try_cmpxchg_order_fallbacks()
 {
 	local cmpxchg="$1"; shift;
 
@@ -272,15 +273,17 @@ gen_try_cmpxchg_fallbacks()
 	done
 }
 
-gen_cmpxchg_local_fallbacks()
+gen_def_and_try_cmpxchg_fallback()
 {
+	local prefix="$1"; shift
 	local cmpxchg="$1"; shift
+	local suffix="$1"; shift
 
-	printf "#define raw_${cmpxchg} arch_${cmpxchg}\n\n"
-	printf "#ifdef arch_try_${cmpxchg}\n"
-	printf "#define raw_try_${cmpxchg} arch_try_${cmpxchg}\n"
+	printf "#define raw_${prefix}${cmpxchg}${suffix} arch_${prefix}${cmpxchg}${suffix}\n\n"
+	printf "#ifdef arch_${prefix}try_${cmpxchg}${suffix}\n"
+	printf "#define raw_${prefix}try_${cmpxchg}${suffix} arch_${prefix}try_${cmpxchg}${suffix}\n"
 	printf "#else\n"
-	gen_try_cmpxchg_fallback "${cmpxchg}" ""
+	gen_try_cmpxchg_fallback "${prefix}" "${cmpxchg}" "${suffix}"
 	printf "#endif\n\n"
 }
 
@@ -302,15 +305,15 @@ for xchg in "xchg" "cmpxchg" "cmpxchg64" "cmpxchg128"; do
 done
 
 for cmpxchg in "cmpxchg" "cmpxchg64" "cmpxchg128"; do
-	gen_try_cmpxchg_fallbacks "${cmpxchg}"
+	gen_try_cmpxchg_order_fallbacks "${cmpxchg}"
 done
 
-for cmpxchg in "cmpxchg_local" "cmpxchg64_local" "cmpxchg128_local"; do
-	gen_cmpxchg_local_fallbacks "${cmpxchg}" ""
+for cmpxchg in "cmpxchg" "cmpxchg64" "cmpxchg128"; do
+	gen_def_and_try_cmpxchg_fallback "" "${cmpxchg}" "_local"
 done
 
-for cmpxchg in "sync_cmpxchg"; do
-	printf "#define raw_${cmpxchg} arch_${cmpxchg}\n\n"
+for cmpxchg in "cmpxchg"; do
+	gen_def_and_try_cmpxchg_fallback "sync_" "${cmpxchg}" ""
 done
 
 grep '^[a-z]' "$1" | while read name meta args; do
diff --git a/scripts/atomic/gen-atomic-instrumented.sh b/scripts/atomic/gen-atomic-instrumented.sh
index 8f8f8e3b2..592f3ec89 100755
--- a/scripts/atomic/gen-atomic-instrumented.sh
+++ b/scripts/atomic/gen-atomic-instrumented.sh
@@ -169,7 +169,8 @@ for xchg in "xchg" "cmpxchg" "cmpxchg64" "cmpxchg128" "try_cmpxchg" "try_cmpxchg
 	done
 done
 
-for xchg in "cmpxchg_local" "cmpxchg64_local" "cmpxchg128_local" "sync_cmpxchg" "try_cmpxchg_local" "try_cmpxchg64_local" "try_cmpxchg128_local"; do
+for xchg in "cmpxchg_local" "cmpxchg64_local" "cmpxchg128_local" "sync_cmpxchg" \
+	    "try_cmpxchg_local" "try_cmpxchg64_local" "try_cmpxchg128_local" "sync_try_cmpxchg"; do
 	gen_xchg "${xchg}" ""
 	printf "\n"
 done
diff --git a/scripts/bpf_doc.py b/scripts/bpf_doc.py
index 61b7ddded..0669bac5e 100755
--- a/scripts/bpf_doc.py
+++ b/scripts/bpf_doc.py
@@ -513,7 +513,7 @@ eBPF programs can have an associated license, passed along with the bytecode
 instructions to the kernel when the programs are loaded. The format for that
 string is identical to the one in use for kernel modules (Dual licenses, such
 as "Dual BSD/GPL", may be used). Some helper functions are only accessible to
-programs that are compatible with the GNU Privacy License (GPL).
+programs that are compatible with the GNU General Public License (GNU GPL).
 
 In order to use such helpers, the eBPF program must be loaded with the correct
 license string passed (via **attr**) to the **bpf**\\ () system call, and this
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 7d16f863e..25fdb7fda 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -6427,15 +6427,6 @@ sub process {
 			}
 		}
 
-# check for soon-to-be-deprecated single-argument k[v]free_rcu() API
-		if ($line =~ /\bk[v]?free_rcu\s*\([^(]+\)/) {
-			if ($line =~ /\bk[v]?free_rcu\s*\([^,]+\)/) {
-				ERROR("DEPRECATED_API",
-				      "Single-argument k[v]free_rcu() API is deprecated, please pass rcu_head object or call k[v]free_rcu_mightsleep()." . $herecurr);
-			}
-		}
-
-
 # check for unnecessary "Out of Memory" messages
 		if ($line =~ /^\+.*\b$logFunctions\s*\(/ &&
 		    $prevline =~ /^[ \+]\s*if\s*\(\s*(\!\s*|NULL\s*==\s*)?($Lval)(\s*==\s*NULL\s*)?\s*\)/ &&
diff --git a/scripts/clang-tools/gen_compile_commands.py b/scripts/clang-tools/gen_compile_commands.py
index a84cc5737..5dea44792 100755
--- a/scripts/clang-tools/gen_compile_commands.py
+++ b/scripts/clang-tools/gen_compile_commands.py
@@ -19,7 +19,7 @@ _DEFAULT_OUTPUT = 'compile_commands.json'
 _DEFAULT_LOG_LEVEL = 'WARNING'
 
 _FILENAME_PATTERN = r'^\..*\.cmd$'
-_LINE_PATTERN = r'^savedcmd_[^ ]*\.o := (.* )([^ ]*\.[cS]) *(;|$)'
+_LINE_PATTERN = r'^(saved)?cmd_[^ ]*\.o := (?P<command_prefix>.* )(?P<file_path>[^ ]*\.[cS]) *(;|$)'
 _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.
@@ -64,7 +64,7 @@ def parse_arguments():
     args = parser.parse_args()
 
     return (args.log_level,
-            os.path.abspath(args.directory),
+            os.path.realpath(args.directory),
             args.output,
             args.ar,
             args.paths if len(args.paths) > 0 else [args.directory])
@@ -172,8 +172,8 @@ def process_line(root_directory, command_prefix, file_path):
     # by Make, so this code replaces the escaped version with '#'.
     prefix = command_prefix.replace('\#', '#').replace('$(pound)', '#')
 
-    # Use os.path.abspath() to normalize the path resolving '.' and '..' .
-    abs_path = os.path.abspath(os.path.join(root_directory, file_path))
+    # Return the canonical path, eliminating any symbolic links encountered in the path.
+    abs_path = os.path.realpath(os.path.join(root_directory, file_path))
     if not os.path.exists(abs_path):
         raise ValueError('File %s not found' % abs_path)
     return {
@@ -213,15 +213,15 @@ def main():
                 result = line_matcher.match(f.readline())
                 if result:
                     try:
-                        entry = process_line(directory, result.group(1),
-                                             result.group(2))
+                        entry = process_line(directory, result.group('command_prefix'),
+                                             result.group('file_path'))
                         compile_commands.append(entry)
                     except ValueError as err:
                         logging.info('Could not add line from %s: %s',
                                      cmdfile, err)
 
     with open(output, 'wt') as f:
-        json.dump(compile_commands, f, indent=2, sort_keys=True)
+        json.dump(sorted(compile_commands, key=lambda x: x["file"]), f, indent=2, sort_keys=True)
 
 
 if __name__ == '__main__':
diff --git a/scripts/clang-tools/run-clang-tools.py b/scripts/clang-tools/run-clang-tools.py
index 3266708a8..f31ffd09e 100755
--- a/scripts/clang-tools/run-clang-tools.py
+++ b/scripts/clang-tools/run-clang-tools.py
@@ -33,6 +33,11 @@ def parse_arguments():
     path_help = "Path to the compilation database to parse"
     parser.add_argument("path", type=str, help=path_help)
 
+    checks_help = "Checks to pass to the analysis"
+    parser.add_argument("-checks", type=str, default=None, help=checks_help)
+    header_filter_help = "Pass the -header-filter value to the tool"
+    parser.add_argument("-header-filter", type=str, default=None, help=header_filter_help)
+
     return parser.parse_args()
 
 
@@ -45,14 +50,27 @@ def init(l, a):
 
 def run_analysis(entry):
     # Disable all checks, then re-enable the ones we want
-    checks = []
-    checks.append("-checks=-*")
-    if args.type == "clang-tidy":
-        checks.append("linuxkernel-*")
+    global args
+    checks = None
+    if args.checks:
+        checks = args.checks.split(',')
     else:
-        checks.append("clang-analyzer-*")
-        checks.append("-clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling")
-    p = subprocess.run(["clang-tidy", "-p", args.path, ",".join(checks), entry["file"]],
+        checks = ["-*"]
+        if args.type == "clang-tidy":
+            checks.append("linuxkernel-*")
+        else:
+            checks.append("clang-analyzer-*")
+            checks.append("-clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling")
+    file = entry["file"]
+    if not file.endswith(".c") and not file.endswith(".cpp"):
+        with lock:
+            print(f"Skipping non-C file: '{file}'", file=sys.stderr)
+        return
+    pargs = ["clang-tidy", "-p", args.path, "-checks=" + ",".join(checks)]
+    if args.header_filter:
+        pargs.append("-header-filter=" + args.header_filter)
+    pargs.append(file)
+    p = subprocess.run(pargs,
                        stdout=subprocess.PIPE,
                        stderr=subprocess.STDOUT,
                        cwd=entry["directory"])
diff --git a/scripts/const_structs.checkpatch b/scripts/const_structs.checkpatch
index dc39d938e..188412aa2 100644
--- a/scripts/const_structs.checkpatch
+++ b/scripts/const_structs.checkpatch
@@ -94,3 +94,4 @@ vm_operations_struct
 wacom_features
 watchdog_ops
 wd_ops
+xattr_handler
diff --git a/scripts/dtc/dt-extract-compatibles b/scripts/dtc/dt-extract-compatibles
index 2f9d0eb59..5ffb23644 100755
--- a/scripts/dtc/dt-extract-compatibles
+++ b/scripts/dtc/dt-extract-compatibles
@@ -7,11 +7,15 @@ import re
 import argparse
 
 
-def parse_of_declare_macros(data):
+def parse_of_declare_macros(data, include_driver_macros=True):
 	""" Find all compatible strings in OF_DECLARE() style macros """
 	compat_list = []
 	# CPU_METHOD_OF_DECLARE does not have a compatible string
-	for m in re.finditer(r'(?<!CPU_METHOD_)(IRQCHIP|OF)_(DECLARE|MATCH)(_DRIVER)?\(.*?\)', data):
+	if include_driver_macros:
+		re_macros = r'(?<!CPU_METHOD_)(IRQCHIP|OF)_(DECLARE|MATCH)(_DRIVER)?\(.*?\)'
+	else:
+		re_macros = r'(?<!CPU_METHOD_)(IRQCHIP|OF)_(DECLARE|MATCH)\(.*?\)'
+	for m in re.finditer(re_macros, data):
 		try:
 			compat = re.search(r'"(.*?)"', m[0])[1]
 		except:
@@ -22,24 +26,52 @@ def parse_of_declare_macros(data):
 	return compat_list
 
 
-def parse_of_device_id(data):
+def parse_of_device_id(data, match_table_list=None):
 	""" Find all compatible strings in of_device_id structs """
 	compat_list = []
-	for m in re.finditer(r'of_device_id(\s+\S+)?\s+\S+\[\](\s+\S+)?\s*=\s*({.*?);', data):
-		compat_list += re.findall(r'\.compatible\s+=\s+"(\S+)"', m[3])
+	for m in re.finditer(r'of_device_id(\s+\S+)?\s+(\S+)\[\](\s+\S+)?\s*=\s*({.*?);', data):
+		if match_table_list is not None and m[2] not in match_table_list:
+			continue
+		compat_list += re.findall(r'\.compatible\s+=\s+"(\S+)"', m[4])
 
 	return compat_list
 
 
-def parse_compatibles(file):
+def parse_of_match_table(data):
+	""" Find all driver's of_match_table """
+	match_table_list = []
+	for m in re.finditer(r'\.of_match_table\s+=\s+(of_match_ptr\()?([a-zA-Z0-9_-]+)', data):
+		match_table_list.append(m[2])
+
+	return match_table_list
+
+
+def parse_compatibles(file, compat_ignore_list):
 	with open(file, 'r', encoding='utf-8') as f:
 		data = f.read().replace('\n', '')
 
-	compat_list = parse_of_declare_macros(data)
-	compat_list += parse_of_device_id(data)
+	if compat_ignore_list is not None:
+		# For a compatible in the DT to be matched to a driver it needs to show
+		# up in a driver's of_match_table
+		match_table_list = parse_of_match_table(data)
+		compat_list = parse_of_device_id(data, match_table_list)
+
+		compat_list = [compat for compat in compat_list if compat not in compat_ignore_list]
+	else:
+		compat_list = parse_of_declare_macros(data)
+		compat_list += parse_of_device_id(data)
 
 	return compat_list
 
+def parse_compatibles_to_ignore(file):
+	with open(file, 'r', encoding='utf-8') as f:
+		data = f.read().replace('\n', '')
+
+	# Compatibles that show up in OF_DECLARE macros can't be expected to
+	# match a driver, except for the _DRIVER ones.
+	return parse_of_declare_macros(data, include_driver_macros=False)
+
+
 def print_compat(filename, compatibles):
 	if not compatibles:
 		return
@@ -73,10 +105,17 @@ if __name__ == "__main__":
 	ap = argparse.ArgumentParser()
 	ap.add_argument("cfile", type=str, nargs='*', help="C source files or directories to parse")
 	ap.add_argument('-H', '--with-filename', help="Print filename with compatibles", action="store_true")
+	ap.add_argument('-d', '--driver-match', help="Only print compatibles that should match to a driver", action="store_true")
 	args = ap.parse_args()
 
 	show_filename = args.with_filename
+	compat_ignore_list = None
+
+	if args.driver_match:
+		compat_ignore_list = []
+		for f in files_to_parse(args.cfile):
+			compat_ignore_list.extend(parse_compatibles_to_ignore(f))
 
 	for f in files_to_parse(args.cfile):
-		compat_list = parse_compatibles(f)
+		compat_list = parse_compatibles(f, compat_ignore_list)
 		print_compat(f, compat_list)
diff --git a/scripts/dummy-tools/gcc b/scripts/dummy-tools/gcc
index 07f6dc4c5..e6c41427c 100755
--- a/scripts/dummy-tools/gcc
+++ b/scripts/dummy-tools/gcc
@@ -91,6 +91,16 @@ if arg_contain -S "$@"; then
 		fi
 		exit 0
 	fi
+
+	# For arch/powerpc/tools/gcc-check-fpatchable-function-entry.sh
+	if arg_contain -m64 "$@" && arg_contain -fpatchable-function-entry=2 "$@"; then
+		echo "func:"
+		echo ".section __patchable_function_entries"
+		echo ".localentry"
+		echo "  nop"
+		echo "  nop"
+		exit 0
+	fi
 fi
 
 # To set GCC_PLUGINS
diff --git a/scripts/faddr2line b/scripts/faddr2line
index 0e73aca4f..587415a52 100755
--- a/scripts/faddr2line
+++ b/scripts/faddr2line
@@ -58,8 +58,21 @@ die() {
 	exit 1
 }
 
-READELF="${CROSS_COMPILE:-}readelf"
-ADDR2LINE="${CROSS_COMPILE:-}addr2line"
+UTIL_SUFFIX=""
+if [[ "${LLVM:-}" == "" ]]; then
+	UTIL_PREFIX=${CROSS_COMPILE:-}
+else
+	UTIL_PREFIX=llvm-
+
+	if [[ "${LLVM}" == *"/" ]]; then
+		UTIL_PREFIX=${LLVM}${UTIL_PREFIX}
+	elif [[ "${LLVM}" == "-"* ]]; then
+		UTIL_SUFFIX=${LLVM}
+	fi
+fi
+
+READELF="${UTIL_PREFIX}readelf${UTIL_SUFFIX}"
+ADDR2LINE="${UTIL_PREFIX}addr2line${UTIL_SUFFIX}"
 AWK="awk"
 GREP="grep"
 
@@ -166,6 +179,11 @@ __faddr2line() {
 			local cur_sym_elf_size=${fields[2]}
 			local cur_sym_name=${fields[7]:-}
 
+			# is_mapping_symbol(cur_sym_name)
+			if [[ ${cur_sym_name} =~ ^(\.L|L0|\$) ]]; then
+				continue
+			fi
+
 			if [[ $cur_sym_addr = $sym_addr ]] &&
 			   [[ $cur_sym_elf_size = $sym_elf_size ]] &&
 			   [[ $cur_sym_name = $sym_name ]]; then
@@ -260,7 +278,7 @@ __faddr2line() {
 
 		DONE=1
 
-	done < <(${READELF} --symbols --wide $objfile | sed 's/\[.*\]//' | ${AWK} -v fn=$sym_name '$4 == "FUNC" && $8 == fn')
+	done < <(${READELF} --symbols --wide $objfile | sed 's/\[.*\]//' | ${AWK} -v fn=$sym_name '$8 == fn')
 }
 
 [[ $# -lt 2 ]] && usage
diff --git a/scripts/gcc-plugins/latent_entropy_plugin.c b/scripts/gcc-plugins/latent_entropy_plugin.c
index 39e86be60..ff0b192be 100644
--- a/scripts/gcc-plugins/latent_entropy_plugin.c
+++ b/scripts/gcc-plugins/latent_entropy_plugin.c
@@ -17,7 +17,7 @@
  *	if (argc <= 1)
  *		printf("%s: no command arguments :(\n", *argv);
  *	else
- *		printf("%s: %d command arguments!\n", *argv, args - 1);
+ *		printf("%s: %d command arguments!\n", *argv, argc - 1);
  * }
  *
  * after:
@@ -47,7 +47,7 @@
  *		// perturb_local_entropy()
  *	} else {
  *		local_entropy ^= 3896280633962944730;
- *		printf("%s: %d command arguments!\n", *argv, args - 1);
+ *		printf("%s: %d command arguments!\n", *argv, argc - 1);
  *	}
  *
  *	// latent_entropy_execute() 4.
diff --git a/scripts/gdb/linux/cpus.py b/scripts/gdb/linux/cpus.py
index 255dc18cb..cba589e5b 100644
--- a/scripts/gdb/linux/cpus.py
+++ b/scripts/gdb/linux/cpus.py
@@ -179,6 +179,21 @@ def get_current_task(cpu):
         else:
             raise gdb.GdbError("Sorry, obtaining the current task is not allowed "
                                "while running in userspace(EL0)")
+    elif utils.is_target_arch("riscv"):
+        current_tp = gdb.parse_and_eval("$tp")
+        scratch_reg = gdb.parse_and_eval("$sscratch")
+
+        # by default tp points to current task
+        current_task = current_tp.cast(task_ptr_type)
+
+        # scratch register is set 0 in trap handler after entering kernel.
+        # When hart is in user mode, scratch register is pointing to task_struct.
+        # and tp is used by user mode. So when scratch register holds larger value
+        # (negative address as ulong is larger value) than tp, then use scratch register.
+        if (scratch_reg.cast(utils.get_ulong_type()) > current_tp.cast(utils.get_ulong_type())):
+            current_task = scratch_reg.cast(task_ptr_type)
+
+        return current_task.dereference()
     else:
         raise gdb.GdbError("Sorry, obtaining the current task is not yet "
                            "supported with this arch")
diff --git a/scripts/gdb/linux/tasks.py b/scripts/gdb/linux/tasks.py
index 17ec19e9b..aa5ab6251 100644
--- a/scripts/gdb/linux/tasks.py
+++ b/scripts/gdb/linux/tasks.py
@@ -13,7 +13,7 @@
 
 import gdb
 
-from linux import utils
+from linux import utils, lists
 
 
 task_type = utils.CachedType("struct task_struct")
@@ -22,19 +22,15 @@ task_type = utils.CachedType("struct task_struct")
 def task_lists():
     task_ptr_type = task_type.get_type().pointer()
     init_task = gdb.parse_and_eval("init_task").address
-    t = g = init_task
+    t = init_task
 
     while True:
-        while True:
-            yield t
+        thread_head = t['signal']['thread_head']
+        for thread in lists.list_for_each_entry(thread_head, task_ptr_type, 'thread_node'):
+            yield thread
 
-            t = utils.container_of(t['thread_group']['next'],
-                                   task_ptr_type, "thread_group")
-            if t == g:
-                break
-
-        t = g = utils.container_of(g['tasks']['next'],
-                                   task_ptr_type, "tasks")
+        t = utils.container_of(t['tasks']['next'],
+                               task_ptr_type, "tasks")
         if t == init_task:
             return
 
diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index ab123b498..ee1aed7e0 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -20,6 +20,7 @@ use Getopt::Long qw(:config no_auto_abbrev);
 use Cwd;
 use File::Find;
 use File::Spec::Functions;
+use open qw(:std :encoding(UTF-8));
 
 my $cur_path = fastgetcwd() . '/';
 my $lk_path = "./";
@@ -57,6 +58,7 @@ my $subsystem = 0;
 my $status = 0;
 my $letters = "";
 my $keywords = 1;
+my $keywords_in_file = 0;
 my $sections = 0;
 my $email_file_emails = 0;
 my $from_filename = 0;
@@ -272,6 +274,7 @@ if (!GetOptions(
 		'letters=s' => \$letters,
 		'pattern-depth=i' => \$pattern_depth,
 		'k|keywords!' => \$keywords,
+		'kf|keywords-in-file!' => \$keywords_in_file,
 		'sections!' => \$sections,
 		'fe|file-emails!' => \$email_file_emails,
 		'f|file' => \$from_filename,
@@ -318,6 +321,7 @@ if ($sections || $letters ne "") {
     $subsystem = 0;
     $web = 0;
     $keywords = 0;
+    $keywords_in_file = 0;
     $interactive = 0;
 } else {
     my $selections = $email + $scm + $status + $subsystem + $web;
@@ -442,7 +446,7 @@ sub maintainers_in_file {
 	my $text = do { local($/) ; <$f> };
 	close($f);
 
-	my @poss_addr = $text =~ m$[A-Za-zÀ-ÿ\"\' \,\.\+-]*\s*[\,]*\s*[\(\<\{]{0,1}[A-Za-z0-9_\.\+-]+\@[A-Za-z0-9\.-]+\.[A-Za-z0-9]+[\)\>\}]{0,1}$g;
+	my @poss_addr = $text =~ m$[\p{L}\"\' \,\.\+-]*\s*[\,]*\s*[\(\<\{]{0,1}[A-Za-z0-9_\.\+-]+\@[A-Za-z0-9\.-]+\.[A-Za-z0-9]+[\)\>\}]{0,1}$g;
 	push(@file_emails, clean_file_emails(@poss_addr));
     }
 }
@@ -548,16 +552,14 @@ foreach my $file (@ARGV) {
 	$file =~ s/^\Q${cur_path}\E//;	#strip any absolute path
 	$file =~ s/^\Q${lk_path}\E//;	#or the path to the lk tree
 	push(@files, $file);
-	if ($file ne "MAINTAINERS" && -f $file && $keywords) {
+	if ($file ne "MAINTAINERS" && -f $file && $keywords && $keywords_in_file) {
 	    open(my $f, '<', $file)
 		or die "$P: Can't open $file: $!\n";
 	    my $text = do { local($/) ; <$f> };
 	    close($f);
-	    if ($keywords) {
-		foreach my $line (keys %keyword_hash) {
-		    if ($text =~ m/$keyword_hash{$line}/x) {
-			push(@keyword_tvi, $line);
-		    }
+	    foreach my $line (keys %keyword_hash) {
+		if ($text =~ m/$keyword_hash{$line}/x) {
+		    push(@keyword_tvi, $line);
 		}
 	    }
 	}
@@ -919,7 +921,7 @@ sub get_maintainers {
 	}
 
 	foreach my $line (sort {$hash{$b} <=> $hash{$a}} keys %hash) {
-	    add_categories($line);
+	    add_categories($line, "");
 	    if ($sections) {
 		my $i;
 		my $start = find_starting_index($line);
@@ -947,7 +949,7 @@ sub get_maintainers {
     if ($keywords) {
 	@keyword_tvi = sort_and_uniq(@keyword_tvi);
 	foreach my $line (@keyword_tvi) {
-	    add_categories($line);
+	    add_categories($line, ":Keyword:$keyword_hash{$line}");
 	}
     }
 
@@ -1076,6 +1078,7 @@ Output type options:
 Other options:
   --pattern-depth => Number of pattern directory traversals (default: 0 (all))
   --keywords => scan patch for keywords (default: $keywords)
+  --keywords-in-file => scan file for keywords (default: $keywords_in_file)
   --sections => print all of the subsystem sections with pattern matches
   --letters => print all matching 'letter' types from all matching sections
   --mailmap => use .mailmap file (default: $email_use_mailmap)
@@ -1086,7 +1089,7 @@ Other options:
 
 Default options:
   [--email --tree --nogit --git-fallback --m --r --n --l --multiline
-   --pattern-depth=0 --remove-duplicates --rolestats]
+   --pattern-depth=0 --remove-duplicates --rolestats --keywords]
 
 Notes:
   Using "-f directory" may give unexpected results:
@@ -1150,6 +1153,17 @@ sub top_of_kernel_tree {
     return 0;
 }
 
+sub escape_name {
+    my ($name) = @_;
+
+    if ($name =~ /[^\w \-]/ai) {  	 ##has "must quote" chars
+	$name =~ s/(?<!\\)"/\\"/g;       ##escape quotes
+	$name = "\"$name\"";
+    }
+
+    return $name;
+}
+
 sub parse_email {
     my ($formatted_email) = @_;
 
@@ -1167,13 +1181,9 @@ sub parse_email {
 
     $name =~ s/^\s+|\s+$//g;
     $name =~ s/^\"|\"$//g;
+    $name = escape_name($name);
     $address =~ s/^\s+|\s+$//g;
 
-    if ($name =~ /[^\w \-]/i) {  	 ##has "must quote" chars
-	$name =~ s/(?<!\\)"/\\"/g;       ##escape quotes
-	$name = "\"$name\"";
-    }
-
     return ($name, $address);
 }
 
@@ -1184,13 +1194,9 @@ sub format_email {
 
     $name =~ s/^\s+|\s+$//g;
     $name =~ s/^\"|\"$//g;
+    $name = escape_name($name);
     $address =~ s/^\s+|\s+$//g;
 
-    if ($name =~ /[^\w \-]/i) {          ##has "must quote" chars
-	$name =~ s/(?<!\\)"/\\"/g;       ##escape quotes
-	$name = "\"$name\"";
-    }
-
     if ($usename) {
 	if ("$name" eq "") {
 	    $formatted_email = "$address";
@@ -1312,7 +1318,7 @@ sub get_list_role {
 }
 
 sub add_categories {
-    my ($index) = @_;
+    my ($index, $suffix) = @_;
 
     my $i;
     my $start = find_starting_index($index);
@@ -1342,7 +1348,7 @@ sub add_categories {
 			if (!$hash_list_to{lc($list_address)}) {
 			    $hash_list_to{lc($list_address)} = 1;
 			    push(@list_to, [$list_address,
-					    "subscriber list${list_role}"]);
+					    "subscriber list${list_role}" . $suffix]);
 			}
 		    }
 		} else {
@@ -1352,12 +1358,12 @@ sub add_categories {
 				if ($email_moderated_list) {
 				    $hash_list_to{lc($list_address)} = 1;
 				    push(@list_to, [$list_address,
-						    "moderated list${list_role}"]);
+						    "moderated list${list_role}" . $suffix]);
 				}
 			    } else {
 				$hash_list_to{lc($list_address)} = 1;
 				push(@list_to, [$list_address,
-						"open list${list_role}"]);
+						"open list${list_role}" . $suffix]);
 			    }
 			}
 		    }
@@ -1365,19 +1371,19 @@ sub add_categories {
 	    } elsif ($ptype eq "M") {
 		if ($email_maintainer) {
 		    my $role = get_maintainer_role($i);
-		    push_email_addresses($pvalue, $role);
+		    push_email_addresses($pvalue, $role . $suffix);
 		}
 	    } elsif ($ptype eq "R") {
 		if ($email_reviewer) {
 		    my $subsystem = get_subsystem_name($i);
-		    push_email_addresses($pvalue, "reviewer:$subsystem");
+		    push_email_addresses($pvalue, "reviewer:$subsystem" . $suffix);
 		}
 	    } elsif ($ptype eq "T") {
-		push(@scm, $pvalue);
+		push(@scm, $pvalue . $suffix);
 	    } elsif ($ptype eq "W") {
-		push(@web, $pvalue);
+		push(@web, $pvalue . $suffix);
 	    } elsif ($ptype eq "S") {
-		push(@status, $pvalue);
+		push(@status, $pvalue . $suffix);
 	    }
 	}
     }
@@ -2456,17 +2462,23 @@ sub clean_file_emails {
     foreach my $email (@file_emails) {
 	$email =~ s/[\(\<\{]{0,1}([A-Za-z0-9_\.\+-]+\@[A-Za-z0-9\.-]+)[\)\>\}]{0,1}/\<$1\>/g;
 	my ($name, $address) = parse_email($email);
-	if ($name eq '"[,\.]"') {
-	    $name = "";
-	}
 
-	my @nw = split(/[^A-Za-zÀ-ÿ\'\,\.\+-]/, $name);
+	# Strip quotes for easier processing, format_email will add them back
+	$name =~ s/^"(.*)"$/$1/;
+
+	# Split into name-like parts and remove stray punctuation particles
+	my @nw = split(/[^\p{L}\'\,\.\+-]/, $name);
+	@nw = grep(!/^[\'\,\.\+-]$/, @nw);
+
+	# Make a best effort to extract the name, and only the name, by taking
+	# only the last two names, or in the case of obvious initials, the last
+	# three names.
 	if (@nw > 2) {
 	    my $first = $nw[@nw - 3];
 	    my $middle = $nw[@nw - 2];
 	    my $last = $nw[@nw - 1];
 
-	    if (((length($first) == 1 && $first =~ m/[A-Za-z]/) ||
+	    if (((length($first) == 1 && $first =~ m/\p{L}/) ||
 		 (length($first) == 2 && substr($first, -1) eq ".")) ||
 		(length($middle) == 1 ||
 		 (length($middle) == 2 && substr($middle, -1) eq "."))) {
@@ -2474,18 +2486,16 @@ sub clean_file_emails {
 	    } else {
 		$name = "$middle $last";
 	    }
+	} else {
+	    $name = "@nw";
 	}
 
 	if (substr($name, -1) =~ /[,\.]/) {
 	    $name = substr($name, 0, length($name) - 1);
-	} elsif (substr($name, -2) =~ /[,\.]"/) {
-	    $name = substr($name, 0, length($name) - 2) . '"';
 	}
 
 	if (substr($name, 0, 1) =~ /[,\.]/) {
 	    $name = substr($name, 1, length($name) - 1);
-	} elsif (substr($name, 0, 2) =~ /"[,\.]/) {
-	    $name = '"' . substr($name, 2, length($name) - 2);
 	}
 
 	my $fmt_email = format_email($name, $address, $email_usename);
diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh
index 56d3c338d..c3064ac31 100755
--- a/scripts/headers_install.sh
+++ b/scripts/headers_install.sh
@@ -74,7 +74,6 @@ arch/arc/include/uapi/asm/page.h:CONFIG_ARC_PAGE_SIZE_16K
 arch/arc/include/uapi/asm/page.h:CONFIG_ARC_PAGE_SIZE_4K
 arch/arc/include/uapi/asm/swab.h:CONFIG_ARC_HAS_SWAPE
 arch/arm/include/uapi/asm/ptrace.h:CONFIG_CPU_ENDIAN_BE8
-arch/hexagon/include/uapi/asm/ptrace.h:CONFIG_HEXAGON_ARCH_VERSION
 arch/hexagon/include/uapi/asm/user.h:CONFIG_HEXAGON_ARCH_VERSION
 arch/m68k/include/uapi/asm/ptrace.h:CONFIG_COLDFIRE
 arch/nios2/include/uapi/asm/swab.h:CONFIG_NIOS2_CI_SWAB_NO
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 6e199a745..08a3e603d 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -185,7 +185,7 @@ if (defined($ENV{'KBUILD_VERBOSE'}) && $ENV{'KBUILD_VERBOSE'} =~ '1') {
 if (defined($ENV{'KCFLAGS'})) {
 	my $kcflags = "$ENV{'KCFLAGS'}";
 
-	if ($kcflags =~ /Werror/) {
+	if ($kcflags =~ /(\s|^)-Werror(\s|$)/) {
 		$Werror = 1;
 	}
 }
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index a432b171b..7862a8101 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -135,8 +135,13 @@ gen_btf()
 	${OBJCOPY} --only-section=.BTF --set-section-flags .BTF=alloc,readonly \
 		--strip-all ${1} ${2} 2>/dev/null
 	# Change e_type to ET_REL so that it can be used to link final vmlinux.
-	# Unlike GNU ld, lld does not allow an ET_EXEC input.
-	printf '\1' | dd of=${2} conv=notrunc bs=1 seek=16 status=none
+	# GNU ld 2.35+ and lld do not allow an ET_EXEC input.
+	if is_enabled CONFIG_CPU_BIG_ENDIAN; then
+		et_rel='\0\1'
+	else
+		et_rel='\1\0'
+	fi
+	printf "${et_rel}" | dd of=${2} conv=notrunc bs=1 seek=16 status=none
 }
 
 # Create ${2} .S file with all symbols from the ${1} object file
diff --git a/scripts/min-tool-version.sh b/scripts/min-tool-version.sh
index d65ab8bfe..fd5ffdb81 100755
--- a/scripts/min-tool-version.sh
+++ b/scripts/min-tool-version.sh
@@ -31,7 +31,7 @@ llvm)
 	fi
 	;;
 rustc)
-	echo 1.71.1
+	echo 1.73.0
 	;;
 bindgen)
 	echo 0.65.1
diff --git a/scripts/mksysmap b/scripts/mksysmap
index 9ba1c9da0..57ff5656d 100755
--- a/scripts/mksysmap
+++ b/scripts/mksysmap
@@ -48,17 +48,8 @@ ${NM} -n ${1} | sed >${2} -e "
 / __kvm_nvhe_\\$/d
 / __kvm_nvhe_\.L/d
 
-# arm64 lld
-/ __AArch64ADRPThunk_/d
-
-# arm lld
-/ __ARMV5PILongThunk_/d
-/ __ARMV7PILongThunk_/d
-/ __ThumbV7PILongThunk_/d
-
-# mips lld
-/ __LA25Thunk_/d
-/ __microLA25Thunk_/d
+# lld arm/aarch64/mips thunks
+/ __[[:alnum:]]*Thunk_/d
 
 # CFI type identifiers
 / __kcfi_typeid_/d
diff --git a/scripts/mod/Makefile b/scripts/mod/Makefile
index c9e38ad93..3c54125eb 100644
--- a/scripts/mod/Makefile
+++ b/scripts/mod/Makefile
@@ -5,7 +5,7 @@ CFLAGS_REMOVE_empty.o += $(CC_FLAGS_LTO)
 hostprogs-always-y	+= modpost mk_elfconfig
 always-y		+= empty.o
 
-modpost-objs	:= modpost.o file2alias.o sumversion.o
+modpost-objs	:= modpost.o file2alias.o sumversion.o symsearch.o
 
 devicetable-offsets-file := devicetable-offsets.h
 
@@ -16,7 +16,7 @@ targets += $(devicetable-offsets-file) devicetable-offsets.s
 
 # dependencies on generated files need to be listed explicitly
 
-$(obj)/modpost.o $(obj)/file2alias.o $(obj)/sumversion.o: $(obj)/elfconfig.h
+$(obj)/modpost.o $(obj)/file2alias.o $(obj)/sumversion.o $(obj)/symsearch.o: $(obj)/elfconfig.h
 $(obj)/file2alias.o: $(obj)/$(devicetable-offsets-file)
 
 quiet_cmd_elfconfig = MKELF   $@
diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-offsets.c
index abe65f896..e91a3c381 100644
--- a/scripts/mod/devicetable-offsets.c
+++ b/scripts/mod/devicetable-offsets.c
@@ -265,7 +265,14 @@ int main(void)
 	DEVID(cdx_device_id);
 	DEVID_FIELD(cdx_device_id, vendor);
 	DEVID_FIELD(cdx_device_id, device);
+	DEVID_FIELD(cdx_device_id, subvendor);
+	DEVID_FIELD(cdx_device_id, subdevice);
+	DEVID_FIELD(cdx_device_id, class);
+	DEVID_FIELD(cdx_device_id, class_mask);
 	DEVID_FIELD(cdx_device_id, override_only);
 
+	DEVID(vchiq_device_id);
+	DEVID_FIELD(vchiq_device_id, name);
+
 	return 0;
 }
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 6583b36db..4829680a0 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -1458,6 +1458,10 @@ static int do_cdx_entry(const char *filename, void *symval,
 {
 	DEF_FIELD(symval, cdx_device_id, vendor);
 	DEF_FIELD(symval, cdx_device_id, device);
+	DEF_FIELD(symval, cdx_device_id, subvendor);
+	DEF_FIELD(symval, cdx_device_id, subdevice);
+	DEF_FIELD(symval, cdx_device_id, class);
+	DEF_FIELD(symval, cdx_device_id, class_mask);
 	DEF_FIELD(symval, cdx_device_id, override_only);
 
 	switch (override_only) {
@@ -1475,6 +1479,18 @@ static int do_cdx_entry(const char *filename, void *symval,
 
 	ADD(alias, "v", vendor != CDX_ANY_ID, vendor);
 	ADD(alias, "d", device != CDX_ANY_ID, device);
+	ADD(alias, "sv", subvendor != CDX_ANY_ID, subvendor);
+	ADD(alias, "sd", subdevice != CDX_ANY_ID, subdevice);
+	ADD(alias, "c", class_mask == 0xFFFFFF, class);
+
+	return 1;
+}
+
+static int do_vchiq_entry(const char *filename, void *symval, char *alias)
+{
+	DEF_FIELD_ADDR(symval, vchiq_device_id, name);
+	sprintf(alias, "vchiq:%s", *name);
+
 	return 1;
 }
 
@@ -1558,6 +1574,7 @@ static const struct devtable devtable[] = {
 	{"dfl", SIZE_dfl_device_id, do_dfl_entry},
 	{"ishtp", SIZE_ishtp_device_id, do_ishtp_entry},
 	{"cdx", SIZE_cdx_device_id, do_cdx_entry},
+	{"vchiq", SIZE_vchiq_device_id, do_vchiq_entry},
 };
 
 /* Create MODULE_ALIAS() statements.
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index ac4ef3e20..f7c4d3fe4 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -22,7 +22,6 @@
 #include <errno.h>
 #include "modpost.h"
 #include "../../include/linux/license.h"
-#include "../../include/linux/module_symbol.h"
 
 static bool module_enabled;
 /* Are we using CONFIG_MODVERSIONS? */
@@ -577,11 +576,14 @@ static int parse_elf(struct elf_info *info, const char *filename)
 			*p = TO_NATIVE(*p);
 	}
 
+	symsearch_init(info);
+
 	return 1;
 }
 
 static void parse_elf_finish(struct elf_info *info)
 {
+	symsearch_finish(info);
 	release_file(info->hdr, info->size);
 }
 
@@ -792,47 +794,33 @@ static void check_section(const char *modname, struct elf_info *elf,
 #define ALL_INIT_DATA_SECTIONS \
 	".init.setup", ".init.rodata", ".meminit.rodata", \
 	".init.data", ".meminit.data"
-#define ALL_EXIT_DATA_SECTIONS \
-	".exit.data", ".memexit.data"
-
-#define ALL_INIT_TEXT_SECTIONS \
-	".init.text", ".meminit.text"
-#define ALL_EXIT_TEXT_SECTIONS \
-	".exit.text", ".memexit.text"
 
 #define ALL_PCI_INIT_SECTIONS	\
 	".pci_fixup_early", ".pci_fixup_header", ".pci_fixup_final", \
 	".pci_fixup_enable", ".pci_fixup_resume", \
 	".pci_fixup_resume_early", ".pci_fixup_suspend"
 
-#define ALL_XXXINIT_SECTIONS MEM_INIT_SECTIONS
-#define ALL_XXXEXIT_SECTIONS MEM_EXIT_SECTIONS
+#define ALL_XXXINIT_SECTIONS ".meminit.*"
 
 #define ALL_INIT_SECTIONS INIT_SECTIONS, ALL_XXXINIT_SECTIONS
-#define ALL_EXIT_SECTIONS EXIT_SECTIONS, ALL_XXXEXIT_SECTIONS
+#define ALL_EXIT_SECTIONS ".exit.*"
 
 #define DATA_SECTIONS ".data", ".data.rel"
 #define TEXT_SECTIONS ".text", ".text.*", ".sched.text", \
-		".kprobes.text", ".cpuidle.text", ".noinstr.text"
+		".kprobes.text", ".cpuidle.text", ".noinstr.text", \
+		".ltext", ".ltext.*"
 #define OTHER_TEXT_SECTIONS ".ref.text", ".head.text", ".spinlock.text", \
 		".fixup", ".entry.text", ".exception.text", \
 		".coldtext", ".softirqentry.text"
 
 #define INIT_SECTIONS      ".init.*"
-#define MEM_INIT_SECTIONS  ".meminit.*"
 
-#define EXIT_SECTIONS      ".exit.*"
-#define MEM_EXIT_SECTIONS  ".memexit.*"
-
-#define ALL_TEXT_SECTIONS  ALL_INIT_TEXT_SECTIONS, ALL_EXIT_TEXT_SECTIONS, \
+#define ALL_TEXT_SECTIONS  ".init.text", ".meminit.text", ".exit.text", \
 		TEXT_SECTIONS, OTHER_TEXT_SECTIONS
 
 enum mismatch {
-	TEXT_TO_ANY_INIT,
-	DATA_TO_ANY_INIT,
-	TEXTDATA_TO_ANY_EXIT,
+	TEXTDATA_TO_ANY_INIT_EXIT,
 	XXXINIT_TO_SOME_INIT,
-	XXXEXIT_TO_SOME_EXIT,
 	ANY_INIT_TO_ANY_EXIT,
 	ANY_EXIT_TO_ANY_INIT,
 	EXTABLE_TO_NON_TEXT,
@@ -863,19 +851,9 @@ static const struct sectioncheck sectioncheck[] = {
  * normal code and data
  */
 {
-	.fromsec = { TEXT_SECTIONS, NULL },
-	.bad_tosec = { ALL_INIT_SECTIONS, NULL },
-	.mismatch = TEXT_TO_ANY_INIT,
-},
-{
-	.fromsec = { DATA_SECTIONS, NULL },
-	.bad_tosec = { ALL_XXXINIT_SECTIONS, INIT_SECTIONS, NULL },
-	.mismatch = DATA_TO_ANY_INIT,
-},
-{
 	.fromsec = { TEXT_SECTIONS, DATA_SECTIONS, NULL },
-	.bad_tosec = { ALL_EXIT_SECTIONS, NULL },
-	.mismatch = TEXTDATA_TO_ANY_EXIT,
+	.bad_tosec = { ALL_INIT_SECTIONS, ALL_EXIT_SECTIONS, NULL },
+	.mismatch = TEXTDATA_TO_ANY_INIT_EXIT,
 },
 /* Do not reference init code/data from meminit code/data */
 {
@@ -883,12 +861,6 @@ static const struct sectioncheck sectioncheck[] = {
 	.bad_tosec = { INIT_SECTIONS, NULL },
 	.mismatch = XXXINIT_TO_SOME_INIT,
 },
-/* Do not reference exit code/data from memexit code/data */
-{
-	.fromsec = { ALL_XXXEXIT_SECTIONS, NULL },
-	.bad_tosec = { EXIT_SECTIONS, NULL },
-	.mismatch = XXXEXIT_TO_SOME_EXIT,
-},
 /* Do not use exit code/data from init code */
 {
 	.fromsec = { ALL_INIT_SECTIONS, NULL },
@@ -1006,19 +978,7 @@ static int secref_whitelist(const char *fromsec, const char *fromsym,
 	/* symbols in data sections that may refer to any init/exit sections */
 	if (match(fromsec, PATTERNS(DATA_SECTIONS)) &&
 	    match(tosec, PATTERNS(ALL_INIT_SECTIONS, ALL_EXIT_SECTIONS)) &&
-	    match(fromsym, PATTERNS("*_template", // scsi uses *_template a lot
-				    "*_timer", // arm uses ops structures named _timer a lot
-				    "*_sht", // scsi also used *_sht to some extent
-				    "*_ops",
-				    "*_probe",
-				    "*_probe_one",
-				    "*_console")))
-		return 0;
-
-	/* symbols in data sections that may refer to meminit sections */
-	if (match(fromsec, PATTERNS(DATA_SECTIONS)) &&
-	    match(tosec, PATTERNS(ALL_XXXINIT_SECTIONS, ALL_XXXEXIT_SECTIONS)) &&
-	    match(fromsym, PATTERNS("*driver")))
+	    match(fromsym, PATTERNS("*_ops", "*_probe", "*_console")))
 		return 0;
 
 	/*
@@ -1028,7 +988,7 @@ static int secref_whitelist(const char *fromsec, const char *fromsym,
 	 */
 	if (!extra_warn &&
 	    match(fromsec, PATTERNS(DATA_SECTIONS)) &&
-	    match(tosec, PATTERNS(EXIT_SECTIONS)) &&
+	    match(tosec, PATTERNS(ALL_EXIT_SECTIONS)) &&
 	    match(fromsym, PATTERNS("*driver")))
 		return 0;
 
@@ -1050,71 +1010,10 @@ static int secref_whitelist(const char *fromsec, const char *fromsym,
 	return 1;
 }
 
-/*
- * If there's no name there, ignore it; likewise, ignore it if it's
- * one of the magic symbols emitted used by current tools.
- *
- * Otherwise if find_symbols_between() returns those symbols, they'll
- * fail the whitelist tests and cause lots of false alarms ... fixable
- * only by merging __exit and __init sections into __text, bloating
- * the kernel (which is especially evil on embedded platforms).
- */
-static inline int is_valid_name(struct elf_info *elf, Elf_Sym *sym)
-{
-	const char *name = elf->strtab + sym->st_name;
-
-	if (!name || !strlen(name))
-		return 0;
-	return !is_mapping_symbol(name);
-}
-
-/* Look up the nearest symbol based on the section and the address */
-static Elf_Sym *find_nearest_sym(struct elf_info *elf, Elf_Addr addr,
-				 unsigned int secndx, bool allow_negative,
-				 Elf_Addr min_distance)
-{
-	Elf_Sym *sym;
-	Elf_Sym *near = NULL;
-	Elf_Addr sym_addr, distance;
-	bool is_arm = (elf->hdr->e_machine == EM_ARM);
-
-	for (sym = elf->symtab_start; sym < elf->symtab_stop; sym++) {
-		if (get_secindex(elf, sym) != secndx)
-			continue;
-		if (!is_valid_name(elf, sym))
-			continue;
-
-		sym_addr = sym->st_value;
-
-		/*
-		 * For ARM Thumb instruction, the bit 0 of st_value is set
-		 * if the symbol is STT_FUNC type. Mask it to get the address.
-		 */
-		if (is_arm && ELF_ST_TYPE(sym->st_info) == STT_FUNC)
-			 sym_addr &= ~1;
-
-		if (addr >= sym_addr)
-			distance = addr - sym_addr;
-		else if (allow_negative)
-			distance = sym_addr - addr;
-		else
-			continue;
-
-		if (distance <= min_distance) {
-			min_distance = distance;
-			near = sym;
-		}
-
-		if (min_distance == 0)
-			break;
-	}
-	return near;
-}
-
 static Elf_Sym *find_fromsym(struct elf_info *elf, Elf_Addr addr,
 			     unsigned int secndx)
 {
-	return find_nearest_sym(elf, addr, secndx, false, ~0);
+	return symsearch_find_nearest(elf, addr, secndx, false, ~0);
 }
 
 static Elf_Sym *find_tosym(struct elf_info *elf, Elf_Addr addr, Elf_Sym *sym)
@@ -1127,7 +1026,8 @@ static Elf_Sym *find_tosym(struct elf_info *elf, Elf_Addr addr, Elf_Sym *sym)
 	 * Strive to find a better symbol name, but the resulting name may not
 	 * match the symbol referenced in the original code.
 	 */
-	return find_nearest_sym(elf, addr, get_secindex(elf, sym), true, 20);
+	return symsearch_find_nearest(elf, addr, get_secindex(elf, sym),
+				      true, 20);
 }
 
 static bool is_executable_section(struct elf_info *elf, unsigned int secndx)
@@ -1248,10 +1148,10 @@ static void check_export_symbol(struct module *mod, struct elf_info *elf,
 	    ELF_ST_TYPE(sym->st_info) == STT_LOPROC)
 		s->is_func = true;
 
-	if (match(secname, PATTERNS(INIT_SECTIONS)))
+	if (match(secname, PATTERNS(ALL_INIT_SECTIONS)))
 		warn("%s: %s: EXPORT_SYMBOL used for init symbol. Remove __init or EXPORT_SYMBOL.\n",
 		     mod->name, name);
-	else if (match(secname, PATTERNS(EXIT_SECTIONS)))
+	else if (match(secname, PATTERNS(ALL_EXIT_SECTIONS)))
 		warn("%s: %s: EXPORT_SYMBOL used for exit symbol. Remove __exit or EXPORT_SYMBOL.\n",
 		     mod->name, name);
 }
@@ -1468,32 +1368,20 @@ static void get_rel_type_and_sym(struct elf_info *elf, uint64_t r_info,
 		return;
 	}
 
-	if (is_64bit) {
-		Elf64_Xword r_info64 = r_info;
-
-		r_info = TO_NATIVE(r_info64);
-	} else {
-		Elf32_Word r_info32 = r_info;
-
-		r_info = TO_NATIVE(r_info32);
-	}
+	if (is_64bit)
+		r_info = TO_NATIVE((Elf64_Xword)r_info);
+	else
+		r_info = TO_NATIVE((Elf32_Word)r_info);
 
 	*r_type = ELF_R_TYPE(r_info);
 	*r_sym = ELF_R_SYM(r_info);
 }
 
 static void section_rela(struct module *mod, struct elf_info *elf,
-			 Elf_Shdr *sechdr)
+			 unsigned int fsecndx, const char *fromsec,
+			 const Elf_Rela *start, const Elf_Rela *stop)
 {
-	Elf_Rela *rela;
-	unsigned int fsecndx = sechdr->sh_info;
-	const char *fromsec = sec_name(elf, fsecndx);
-	Elf_Rela *start = (void *)elf->hdr + sechdr->sh_offset;
-	Elf_Rela *stop  = (void *)start + sechdr->sh_size;
-
-	/* if from section (name) is know good then skip it */
-	if (match(fromsec, section_white_list))
-		return;
+	const Elf_Rela *rela;
 
 	for (rela = start; rela < stop; rela++) {
 		Elf_Sym *tsym;
@@ -1525,17 +1413,10 @@ static void section_rela(struct module *mod, struct elf_info *elf,
 }
 
 static void section_rel(struct module *mod, struct elf_info *elf,
-			Elf_Shdr *sechdr)
+			unsigned int fsecndx, const char *fromsec,
+			const Elf_Rel *start, const Elf_Rel *stop)
 {
-	Elf_Rel *rel;
-	unsigned int fsecndx = sechdr->sh_info;
-	const char *fromsec = sec_name(elf, fsecndx);
-	Elf_Rel *start = (void *)elf->hdr + sechdr->sh_offset;
-	Elf_Rel *stop  = (void *)start + sechdr->sh_size;
-
-	/* if from section (name) is know good then skip it */
-	if (match(fromsec, section_white_list))
-		return;
+	const Elf_Rel *rel;
 
 	for (rel = start; rel < stop; rel++) {
 		Elf_Sym *tsym;
@@ -1583,16 +1464,33 @@ static void section_rel(struct module *mod, struct elf_info *elf,
 static void check_sec_ref(struct module *mod, struct elf_info *elf)
 {
 	int i;
-	Elf_Shdr *sechdrs = elf->sechdrs;
 
 	/* Walk through all sections */
 	for (i = 0; i < elf->num_sections; i++) {
-		check_section(mod->name, elf, &elf->sechdrs[i]);
+		Elf_Shdr *sechdr = &elf->sechdrs[i];
+
+		check_section(mod->name, elf, sechdr);
 		/* We want to process only relocation sections and not .init */
-		if (sechdrs[i].sh_type == SHT_RELA)
-			section_rela(mod, elf, &elf->sechdrs[i]);
-		else if (sechdrs[i].sh_type == SHT_REL)
-			section_rel(mod, elf, &elf->sechdrs[i]);
+		if (sechdr->sh_type == SHT_REL || sechdr->sh_type == SHT_RELA) {
+			/* section to which the relocation applies */
+			unsigned int secndx = sechdr->sh_info;
+			const char *secname = sec_name(elf, secndx);
+			const void *start, *stop;
+
+			/* If the section is known good, skip it */
+			if (match(secname, section_white_list))
+				continue;
+
+			start = sym_get_data_by_offset(elf, i, 0);
+			stop = start + sechdr->sh_size;
+
+			if (sechdr->sh_type == SHT_RELA)
+				section_rela(mod, elf, secndx, secname,
+					     start, stop);
+			else
+				section_rel(mod, elf, secndx, secname,
+					    start, stop);
+		}
 	}
 }
 
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index 5f94c2c9f..69baf014d 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -1,4 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
+#include <byteswap.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -10,6 +11,7 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <elf.h>
+#include "../../include/linux/module_symbol.h"
 
 #include "list.h"
 #include "elfconfig.h"
@@ -50,21 +52,19 @@
 #define ELF_R_TYPE  ELF64_R_TYPE
 #endif
 
-#if KERNEL_ELFDATA != HOST_ELFDATA
+#define bswap(x) \
+({ \
+	_Static_assert(sizeof(x) == 1 || sizeof(x) == 2 || \
+		       sizeof(x) == 4 || sizeof(x) == 8, "bug"); \
+	(typeof(x))(sizeof(x) == 2 ? bswap_16(x) : \
+		    sizeof(x) == 4 ? bswap_32(x) : \
+		    sizeof(x) == 8 ? bswap_64(x) : \
+		    x); \
+})
 
-static inline void __endian(const void *src, void *dest, unsigned int size)
-{
-	unsigned int i;
-	for (i = 0; i < size; i++)
-		((unsigned char*)dest)[i] = ((unsigned char*)src)[size - i-1];
-}
+#if KERNEL_ELFDATA != HOST_ELFDATA
 
-#define TO_NATIVE(x)						\
-({								\
-	typeof(x) __x;						\
-	__endian(&(x), &(__x), sizeof(__x));			\
-	__x;							\
-})
+#define TO_NATIVE(x) (bswap(x))
 
 #else /* endianness matches */
 
@@ -128,6 +128,8 @@ struct elf_info {
 	 * take shndx from symtab_shndx_start[N] instead */
 	Elf32_Word   *symtab_shndx_start;
 	Elf32_Word   *symtab_shndx_stop;
+
+	struct symsearch *symsearch;
 };
 
 /* Accessor for sym->st_shndx, hides ugliness of "64k sections" */
@@ -154,6 +156,28 @@ static inline unsigned int get_secindex(const struct elf_info *info,
 	return index;
 }
 
+/*
+ * If there's no name there, ignore it; likewise, ignore it if it's
+ * one of the magic symbols emitted used by current tools.
+ *
+ * Internal symbols created by tools should be ignored by modpost.
+ */
+static inline bool is_valid_name(struct elf_info *elf, Elf_Sym *sym)
+{
+	const char *name = elf->strtab + sym->st_name;
+
+	if (!name || !strlen(name))
+		return false;
+	return !is_mapping_symbol(name);
+}
+
+/* symsearch.c */
+void symsearch_init(struct elf_info *elf);
+void symsearch_finish(struct elf_info *elf);
+Elf_Sym *symsearch_find_nearest(struct elf_info *elf, Elf_Addr addr,
+				unsigned int secndx, bool allow_negative,
+				Elf_Addr min_distance);
+
 /* file2alias.c */
 void handle_moddevtable(struct module *mod, struct elf_info *info,
 			Elf_Sym *sym, const char *symname);
diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c
index 31066bfdb..dc4878502 100644
--- a/scripts/mod/sumversion.c
+++ b/scripts/mod/sumversion.c
@@ -326,7 +326,12 @@ static int parse_source_files(const char *objfile, struct md4_ctx *md)
 
 	/* Sum all files in the same dir or subdirs. */
 	while ((line = get_line(&pos))) {
-		char* p = line;
+		char* p;
+
+		/* trim the leading spaces away */
+		while (isspace(*line))
+			line++;
+		p = line;
 
 		if (strncmp(line, "source_", sizeof("source_")-1) == 0) {
 			p = strrchr(line, ' ');
diff --git a/scripts/mod/symsearch.c b/scripts/mod/symsearch.c
new file mode 100644
index 000000000..aa4ed51f9
--- /dev/null
+++ b/scripts/mod/symsearch.c
@@ -0,0 +1,199 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Helper functions for finding the symbol in an ELF which is "nearest"
+ * to a given address.
+ */
+
+#include "modpost.h"
+
+struct syminfo {
+	unsigned int symbol_index;
+	unsigned int section_index;
+	Elf_Addr addr;
+};
+
+/*
+ * Container used to hold an entire binary search table.
+ * Entries in table are ascending, sorted first by section_index,
+ * then by addr, and last by symbol_index.  The sorting by
+ * symbol_index is used to ensure predictable behavior when
+ * multiple symbols are present with the same address; all
+ * symbols past the first are effectively ignored, by eliding
+ * them in symsearch_fixup().
+ */
+struct symsearch {
+	unsigned int table_size;
+	struct syminfo table[];
+};
+
+static int syminfo_compare(const void *s1, const void *s2)
+{
+	const struct syminfo *sym1 = s1;
+	const struct syminfo *sym2 = s2;
+
+	if (sym1->section_index > sym2->section_index)
+		return 1;
+	if (sym1->section_index < sym2->section_index)
+		return -1;
+	if (sym1->addr > sym2->addr)
+		return 1;
+	if (sym1->addr < sym2->addr)
+		return -1;
+	if (sym1->symbol_index > sym2->symbol_index)
+		return 1;
+	if (sym1->symbol_index < sym2->symbol_index)
+		return -1;
+	return 0;
+}
+
+static unsigned int symbol_count(struct elf_info *elf)
+{
+	unsigned int result = 0;
+
+	for (Elf_Sym *sym = elf->symtab_start; sym < elf->symtab_stop; sym++) {
+		if (is_valid_name(elf, sym))
+			result++;
+	}
+	return result;
+}
+
+/*
+ * Populate the search array that we just allocated.
+ * Be slightly paranoid here.  The ELF file is mmap'd and could
+ * conceivably change between symbol_count() and symsearch_populate().
+ * If we notice any difference, bail out rather than potentially
+ * propagating errors or crashing.
+ */
+static void symsearch_populate(struct elf_info *elf,
+			       struct syminfo *table,
+			       unsigned int table_size)
+{
+	bool is_arm = (elf->hdr->e_machine == EM_ARM);
+
+	for (Elf_Sym *sym = elf->symtab_start; sym < elf->symtab_stop; sym++) {
+		if (is_valid_name(elf, sym)) {
+			if (table_size-- == 0)
+				fatal("%s: size mismatch\n", __func__);
+			table->symbol_index = sym - elf->symtab_start;
+			table->section_index = get_secindex(elf, sym);
+			table->addr = sym->st_value;
+
+			/*
+			 * For ARM Thumb instruction, the bit 0 of st_value is
+			 * set if the symbol is STT_FUNC type. Mask it to get
+			 * the address.
+			 */
+			if (is_arm && ELF_ST_TYPE(sym->st_info) == STT_FUNC)
+				table->addr &= ~1;
+
+			table++;
+		}
+	}
+
+	if (table_size != 0)
+		fatal("%s: size mismatch\n", __func__);
+}
+
+/*
+ * Do any fixups on the table after sorting.
+ * For now, this just finds adjacent entries which have
+ * the same section_index and addr, and it propagates
+ * the first symbol_index over the subsequent entries,
+ * so that only one symbol_index is seen for any given
+ * section_index and addr.  This ensures that whether
+ * we're looking at an address from "above" or "below"
+ * that we see the same symbol_index.
+ * This does leave some duplicate entries in the table;
+ * in practice, these are a small fraction of the
+ * total number of entries, and they are harmless to
+ * the binary search algorithm other than a few occasional
+ * unnecessary comparisons.
+ */
+static void symsearch_fixup(struct syminfo *table, unsigned int table_size)
+{
+	/* Don't look at index 0, it will never change. */
+	for (unsigned int i = 1; i < table_size; i++) {
+		if (table[i].addr == table[i - 1].addr &&
+		    table[i].section_index == table[i - 1].section_index) {
+			table[i].symbol_index = table[i - 1].symbol_index;
+		}
+	}
+}
+
+void symsearch_init(struct elf_info *elf)
+{
+	unsigned int table_size = symbol_count(elf);
+
+	elf->symsearch = NOFAIL(malloc(sizeof(struct symsearch) +
+				       sizeof(struct syminfo) * table_size));
+	elf->symsearch->table_size = table_size;
+
+	symsearch_populate(elf, elf->symsearch->table, table_size);
+	qsort(elf->symsearch->table, table_size,
+	      sizeof(struct syminfo), syminfo_compare);
+
+	symsearch_fixup(elf->symsearch->table, table_size);
+}
+
+void symsearch_finish(struct elf_info *elf)
+{
+	free(elf->symsearch);
+	elf->symsearch = NULL;
+}
+
+/*
+ * Find the syminfo which is in secndx and "nearest" to addr.
+ * allow_negative: allow returning a symbol whose address is > addr.
+ * min_distance: ignore symbols which are further away than this.
+ *
+ * Returns a pointer into the symbol table for success.
+ * Returns NULL if no legal symbol is found within the requested range.
+ */
+Elf_Sym *symsearch_find_nearest(struct elf_info *elf, Elf_Addr addr,
+				unsigned int secndx, bool allow_negative,
+				Elf_Addr min_distance)
+{
+	unsigned int hi = elf->symsearch->table_size;
+	unsigned int lo = 0;
+	struct syminfo *table = elf->symsearch->table;
+	struct syminfo target;
+
+	target.addr = addr;
+	target.section_index = secndx;
+	target.symbol_index = ~0;  /* compares greater than any actual index */
+	while (hi > lo) {
+		unsigned int mid = lo + (hi - lo) / 2;  /* Avoids overflow */
+
+		if (syminfo_compare(&table[mid], &target) > 0)
+			hi = mid;
+		else
+			lo = mid + 1;
+	}
+
+	/*
+	 * table[hi], if it exists, is the first entry in the array which
+	 * lies beyond target.  table[hi - 1], if it exists, is the last
+	 * entry in the array which comes before target, including the
+	 * case where it perfectly matches the section and the address.
+	 *
+	 * Note -- if the address we're looking up falls perfectly
+	 * in the middle of two symbols, this is written to always
+	 * prefer the symbol with the lower address.
+	 */
+	Elf_Sym *result = NULL;
+
+	if (allow_negative &&
+	    hi < elf->symsearch->table_size &&
+	    table[hi].section_index == secndx &&
+	    table[hi].addr - addr <= min_distance) {
+		min_distance = table[hi].addr - addr;
+		result = &elf->symtab_start[table[hi].symbol_index];
+	}
+	if (hi > 0 &&
+	    table[hi - 1].section_index == secndx &&
+	    addr - table[hi - 1].addr <= min_distance) {
+		result = &elf->symtab_start[table[hi - 1].symbol_index];
+	}
+	return result;
+}
diff --git a/scripts/package/mkspec b/scripts/package/mkspec
index d41608efb..ce201bfa8 100755
--- a/scripts/package/mkspec
+++ b/scripts/package/mkspec
@@ -9,6 +9,12 @@
 #	Patched for non-x86 by Opencon (L) 2002 <opencon@rio.skydome.net>
 #
 
+output=$1
+
+mkdir -p "$(dirname "${output}")"
+
+exec >"${output}"
+
 if grep -q CONFIG_MODULES=y include/config/auto.conf; then
 echo '%define with_devel %{?_without_devel: 0} %{?!_without_devel: 1}'
 else
diff --git a/scripts/pahole-flags.sh b/scripts/pahole-flags.sh
deleted file mode 100755
index 728d55190..000000000
--- a/scripts/pahole-flags.sh
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0
-
-extra_paholeopt=
-
-if ! [ -x "$(command -v ${PAHOLE})" ]; then
-	exit 0
-fi
-
-pahole_ver=$($(dirname $0)/pahole-version.sh ${PAHOLE})
-
-if [ "${pahole_ver}" -ge "118" ] && [ "${pahole_ver}" -le "121" ]; then
-	# pahole 1.18 through 1.21 can't handle zero-sized per-CPU vars
-	extra_paholeopt="${extra_paholeopt} --skip_encoding_btf_vars"
-fi
-if [ "${pahole_ver}" -ge "121" ]; then
-	extra_paholeopt="${extra_paholeopt} --btf_gen_floats"
-fi
-if [ "${pahole_ver}" -ge "122" ]; then
-	extra_paholeopt="${extra_paholeopt} -j"
-fi
-if [ "${pahole_ver}" -ge "124" ]; then
-	# see PAHOLE_HAS_LANG_EXCLUDE
-	extra_paholeopt="${extra_paholeopt} --lang_exclude=rust"
-fi
-if [ "${pahole_ver}" -ge "125" ]; then
-	extra_paholeopt="${extra_paholeopt} --skip_encoding_btf_inconsistent_proto --btf_gen_optimized"
-fi
-
-echo ${extra_paholeopt}
diff --git a/scripts/remove-stale-files b/scripts/remove-stale-files
index 8b1a636f8..385610fe3 100755
--- a/scripts/remove-stale-files
+++ b/scripts/remove-stale-files
@@ -38,4 +38,4 @@ rm -rf include/ksym
 
 find . -name '*.usyms' | xargs rm -f
 
-rm -f binkernel.spec
+rm -f *.spec
diff --git a/scripts/show_delta b/scripts/show_delta
index 28e67e178..291ad65e3 100755
--- a/scripts/show_delta
+++ b/scripts/show_delta
@@ -125,4 +125,5 @@ def main():
 	for line in lines:
 		print (convert_line(line, base_time),)
 
-main()
+if __name__ == "__main__":
+	main()