19 files changed, 558 insertions, 333 deletions

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 3efc984d4c69..78656b527fe5 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -155,7 +155,7 @@ $(obj)/%.ll: $(src)/%.c FORCE
 # (See cmd_cc_o_c + relevant part of rule_cc_o_c)
 
 quiet_cmd_cc_o_c = CC $(quiet_modtag)  $@
-      cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
+      cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< $(cmd_objtool)
 
 ifdef CONFIG_MODVERSIONS
 # When module versioning is enabled the following steps are executed:
@@ -224,27 +224,38 @@ cmd_record_mcount = $(if $(findstring $(strip $(CC_FLAGS_FTRACE)),$(_c_flags)),
 endif # CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT
 
 ifdef CONFIG_STACK_VALIDATION
-ifndef CONFIG_LTO_CLANG
 
-__objtool_obj := $(objtree)/tools/objtool/objtool
+objtool := $(objtree)/tools/objtool/objtool
+
+objtool_args =								\
+	$(if $(CONFIG_UNWINDER_ORC),orc generate,check)			\
+	$(if $(part-of-module), --module)				\
+	$(if $(CONFIG_FRAME_POINTER),, --no-fp)				\
+	$(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)
+
+cmd_objtool = $(if $(objtool-enabled), ; $(objtool) $(objtool_args) $@)
+cmd_gen_objtooldep = $(if $(objtool-enabled), { echo ; echo '$@: $$(wildcard $(objtool))' ; } >> $(dot-target).cmd)
+
+endif # CONFIG_STACK_VALIDATION
+
+ifdef CONFIG_LTO_CLANG
+
+# Skip objtool for LLVM bitcode
+$(obj)/%.o: objtool-enabled :=
+
+else
 
 # 'OBJECT_FILES_NON_STANDARD := y': skip objtool checking for a directory
 # 'OBJECT_FILES_NON_STANDARD_foo.o := 'y': skip objtool checking for a file
 # 'OBJECT_FILES_NON_STANDARD_foo.o := 'n': override directory skip for a file
-cmd_objtool = $(if $(patsubst y%,, \
-	$(OBJECT_FILES_NON_STANDARD_$(basetarget).o)$(OBJECT_FILES_NON_STANDARD)n), \
-	$(__objtool_obj) $(objtool_args) $@)
-objtool_obj = $(if $(patsubst y%,, \
-	$(OBJECT_FILES_NON_STANDARD_$(basetarget).o)$(OBJECT_FILES_NON_STANDARD)n), \
-	$(__objtool_obj))
-
-endif # CONFIG_LTO_CLANG
-endif # CONFIG_STACK_VALIDATION
 
-# Rebuild all objects when objtool changes, or is enabled/disabled.
-objtool_dep = $(objtool_obj)					\
-	      $(wildcard include/config/ORC_UNWINDER		\
-			 include/config/STACK_VALIDATION)
+$(obj)/%.o: objtool-enabled = $(if $(filter-out y%, \
+	$(OBJECT_FILES_NON_STANDARD_$(basetarget).o)$(OBJECT_FILES_NON_STANDARD)n),y)
+
+endif
 
 ifdef CONFIG_TRIM_UNUSED_KSYMS
 cmd_gen_ksymdeps = \
@@ -259,7 +270,7 @@ define rule_cc_o_c
 	$(call cmd,gen_ksymdeps)
 	$(call cmd,checksrc)
 	$(call cmd,checkdoc)
-	$(call cmd,objtool)
+	$(call cmd,gen_objtooldep)
 	$(call cmd,modversions_c)
 	$(call cmd,record_mcount)
 endef
@@ -267,13 +278,12 @@ endef
 define rule_as_o_S
 	$(call cmd_and_fixdep,as_o_S)
 	$(call cmd,gen_ksymdeps)
-	$(call cmd,objtool)
+	$(call cmd,gen_objtooldep)
 	$(call cmd,modversions_S)
 endef
 
 # Built-in and composite module parts
-.SECONDEXPANSION:
-$(obj)/%.o: $(src)/%.c $(recordmcount_source) $$(objtool_dep) FORCE
+$(obj)/%.o: $(src)/%.c $(recordmcount_source) FORCE
 	$(call if_changed_rule,cc_o_c)
 	$(call cmd,force_checksrc)
 
@@ -285,14 +295,13 @@ cmd_cc_lto_link_modules =						\
 	$(LD) $(ld_flags) -r -o $@					\
 		$(shell [ -s $(@:.lto.o=.o.symversions) ] &&		\
 			echo -T $(@:.lto.o=.o.symversions))		\
-		--whole-archive $(filter-out FORCE,$^)
+		--whole-archive $(filter-out FORCE,$^)			\
+		$(cmd_objtool)
 
-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: objtool-enabled = y
+$(obj)/%.lto.o: part-of-module := y
 
 $(obj)/%.lto.o: $(obj)/%.o FORCE
 	$(call if_changed,cc_lto_link_modules)
@@ -356,7 +365,7 @@ $(obj)/%.s: $(src)/%.S FORCE
 	$(call if_changed_dep,cpp_s_S)
 
 quiet_cmd_as_o_S = AS $(quiet_modtag)  $@
-      cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $<
+      cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $< $(cmd_objtool)
 
 ifdef CONFIG_ASM_MODVERSIONS
 
@@ -375,7 +384,7 @@ cmd_modversions_S =								\
 	fi
 endif
 
-$(obj)/%.o: $(src)/%.S $$(objtool_dep) FORCE
+$(obj)/%.o: $(src)/%.S FORCE
 	$(call if_changed_rule,as_o_S)
 
 targets += $(filter-out $(subdir-builtin), $(real-obj-y))
diff --git a/scripts/Makefile.debug b/scripts/Makefile.debug
new file mode 100644
index 000000000000..9f39b0130551
--- /dev/null
+++ b/scripts/Makefile.debug
@@ -0,0 +1,33 @@
+DEBUG_CFLAGS	:=
+
+ifdef CONFIG_DEBUG_INFO_SPLIT
+DEBUG_CFLAGS	+= -gsplit-dwarf
+else
+DEBUG_CFLAGS	+= -g
+endif
+
+ifndef CONFIG_AS_IS_LLVM
+KBUILD_AFLAGS	+= -Wa,-gdwarf-2
+endif
+
+ifndef CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT
+dwarf-version-$(CONFIG_DEBUG_INFO_DWARF4) := 4
+dwarf-version-$(CONFIG_DEBUG_INFO_DWARF5) := 5
+DEBUG_CFLAGS	+= -gdwarf-$(dwarf-version-y)
+endif
+
+ifdef CONFIG_DEBUG_INFO_REDUCED
+DEBUG_CFLAGS	+= -fno-var-tracking
+ifdef CONFIG_CC_IS_GCC
+DEBUG_CFLAGS	+= -femit-struct-debug-baseonly
+endif
+endif
+
+ifdef CONFIG_DEBUG_INFO_COMPRESSED
+DEBUG_CFLAGS	+= -gz=zlib
+KBUILD_AFLAGS	+= -gz=zlib
+KBUILD_LDFLAGS	+= --compress-debug-sections=zlib
+endif
+
+KBUILD_CFLAGS += $(DEBUG_CFLAGS)
+export DEBUG_CFLAGS
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 56d50eb0cd80..d1f865b8c0cb 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -232,17 +232,6 @@ ifeq ($(CONFIG_LTO_CLANG),y)
 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 $(CONFIG_FRAME_POINTER),, --no-fp)				\
-	$(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:
 #   $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add)
diff --git a/scripts/Makefile.package b/scripts/Makefile.package
index b74c65284fb2..77b612183c08 100644
--- a/scripts/Makefile.package
+++ b/scripts/Makefile.package
@@ -103,7 +103,7 @@ snap-pkg:
 
 # tarball targets
 # ---------------------------------------------------------------------------
-tar-pkgs := dir-pkg tar-pkg targz-pkg tarbz2-pkg tarxz-pkg
+tar-pkgs := dir-pkg tar-pkg targz-pkg tarbz2-pkg tarxz-pkg tarzst-pkg
 PHONY += $(tar-pkgs)
 $(tar-pkgs):
 	$(MAKE) -f $(srctree)/Makefile
@@ -130,10 +130,12 @@ $(if $(findstring tar-src,$@),,                                     \
 $(if $(findstring bz2,$@),$(KBZIP2),                                 \
 $(if $(findstring gz,$@),$(KGZIP),                                  \
 $(if $(findstring xz,$@),$(XZ),                                     \
-$(error unknown target $@))))                                       \
+$(if $(findstring zst,$@),$(ZSTD),                                  \
+$(error unknown target $@)))))                                      \
 	-f -9 $(perf-tar).tar)
 
-perf-tar-pkgs := perf-tar-src-pkg perf-targz-src-pkg perf-tarbz2-src-pkg perf-tarxz-src-pkg
+perf-tar-pkgs := perf-tar-src-pkg perf-targz-src-pkg perf-tarbz2-src-pkg \
+		 perf-tarxz-src-pkg perf-tarzst-src-pkg
 PHONY += $(perf-tar-pkgs)
 $(perf-tar-pkgs):
 	$(call cmd,perf_tar)
@@ -153,9 +155,11 @@ help:
 	@echo '  targz-pkg           - Build the kernel as a gzip compressed tarball'
 	@echo '  tarbz2-pkg          - Build the kernel as a bzip2 compressed tarball'
 	@echo '  tarxz-pkg           - Build the kernel as a xz compressed tarball'
+	@echo '  tarzst-pkg          - Build the kernel as a zstd compressed tarball'
 	@echo '  perf-tar-src-pkg    - Build $(perf-tar).tar source tarball'
 	@echo '  perf-targz-src-pkg  - Build $(perf-tar).tar.gz source tarball'
 	@echo '  perf-tarbz2-src-pkg - Build $(perf-tar).tar.bz2 source tarball'
 	@echo '  perf-tarxz-src-pkg  - Build $(perf-tar).tar.xz source tarball'
+	@echo '  perf-tarzst-src-pkg - Build $(perf-tar).tar.zst source tarball'
 
 .PHONY: $(PHONY)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index c27d2312cfc3..1784921c645d 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -63,6 +63,7 @@ my $min_conf_desc_length = 4;
 my $spelling_file = "$D/spelling.txt";
 my $codespell = 0;
 my $codespellfile = "/usr/share/codespell/dictionary.txt";
+my $user_codespellfile = "";
 my $conststructsfile = "$D/const_structs.checkpatch";
 my $docsfile = "$D/../Documentation/dev-tools/checkpatch.rst";
 my $typedefsfile;
@@ -130,7 +131,7 @@ Options:
   --ignore-perl-version      override checking of perl version.  expect
                              runtime errors.
   --codespell                Use the codespell dictionary for spelling/typos
-                             (default:/usr/share/codespell/dictionary.txt)
+                             (default:$codespellfile)
   --codespellfile            Use this codespell dictionary
   --typedefsfile             Read additional types from this file
   --color[=WHEN]             Use colors 'always', 'never', or only when output
@@ -317,7 +318,7 @@ GetOptions(
 	'debug=s'	=> \%debug,
 	'test-only=s'	=> \$tst_only,
 	'codespell!'	=> \$codespell,
-	'codespellfile=s'	=> \$codespellfile,
+	'codespellfile=s'	=> \$user_codespellfile,
 	'typedefsfile=s'	=> \$typedefsfile,
 	'color=s'	=> \$color,
 	'no-color'	=> \$color,	#keep old behaviors of -nocolor
@@ -325,9 +326,32 @@ GetOptions(
 	'kconfig-prefix=s'	=> \${CONFIG_},
 	'h|help'	=> \$help,
 	'version'	=> \$help
-) or help(1);
+) or $help = 2;
+
+if ($user_codespellfile) {
+	# Use the user provided codespell file unconditionally
+	$codespellfile = $user_codespellfile;
+} elsif (!(-f $codespellfile)) {
+	# If /usr/share/codespell/dictionary.txt is not present, try to find it
+	# under codespell's install directory: <codespell_root>/data/dictionary.txt
+	if (($codespell || $help) && which("codespell") ne "" && which("python") ne "") {
+		my $python_codespell_dict = << "EOF";
+
+import os.path as op
+import codespell_lib
+codespell_dir = op.dirname(codespell_lib.__file__)
+codespell_file = op.join(codespell_dir, 'data', 'dictionary.txt')
+print(codespell_file, end='')
+EOF
+
+		my $codespell_dict = `python -c "$python_codespell_dict" 2> /dev/null`;
+		$codespellfile = $codespell_dict if (-f $codespell_dict);
+	}
+}
 
-help(0) if ($help);
+# $help is 1 if either -h, --help or --version is passed as option - exitcode: 0
+# $help is 2 if invalid option is passed - exitcode: 1
+help($help - 1) if ($help);
 
 die "$P: --git cannot be used with --file or --fix\n" if ($git && ($file || $fix));
 die "$P: --verbose cannot be used with --terse\n" if ($verbose && $terse);
@@ -489,7 +513,8 @@ our $Attribute	= qr{
 			____cacheline_aligned|
 			____cacheline_aligned_in_smp|
 			____cacheline_internodealigned_in_smp|
-			__weak
+			__weak|
+			__alloc_size\s*\(\s*\d+\s*(?:,\s*\d+\s*)?\)
 		  }x;
 our $Modifier;
 our $Inline	= qr{inline|__always_inline|noinline|__inline|__inline__};
@@ -4448,6 +4473,7 @@ sub process {
 			#   XXX(foo);
 			#   EXPORT_SYMBOL(something_foo);
 			my $name = $1;
+			$name =~ s/^\s*($Ident).*/$1/;
 			if ($stat =~ /^(?:.\s*}\s*\n)?.([A-Z_]+)\s*\(\s*($Ident)/ &&
 			    $name =~ /^${Ident}_$2/) {
 #print "FOO C name<$name>\n";
diff --git a/scripts/coccinelle/misc/do_div.cocci b/scripts/coccinelle/misc/do_div.cocci
new file mode 100644
index 000000000000..79db083c5208
--- /dev/null
+++ b/scripts/coccinelle/misc/do_div.cocci
@@ -0,0 +1,155 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/// do_div() does a 64-by-32 division.
+/// When the divisor is long, unsigned long, u64, or s64,
+/// do_div() truncates it to 32 bits, this means it can test
+/// non-zero and be truncated to 0 for division on 64bit platforms.
+///
+//# This makes an effort to find those inappropriate do_div() calls.
+//
+// Confidence: Moderate
+// Copyright: (C) 2020 Wen Yang, Alibaba.
+// Comments:
+// Options: --no-includes --include-headers
+
+virtual context
+virtual org
+virtual report
+
+@initialize:python@
+@@
+
+def get_digit_type_and_value(str):
+    is_digit = False
+    value = 0
+
+    try:
+        if (str.isdigit()):
+           is_digit = True
+           value =  int(str, 0)
+        elif (str.upper().endswith('ULL')):
+           is_digit = True
+           value = int(str[:-3], 0)
+        elif (str.upper().endswith('LL')):
+           is_digit = True
+           value = int(str[:-2], 0)
+        elif (str.upper().endswith('UL')):
+           is_digit = True
+           value = int(str[:-2], 0)
+        elif (str.upper().endswith('L')):
+           is_digit = True
+           value = int(str[:-1], 0)
+        elif (str.upper().endswith('U')):
+           is_digit = True
+           value = int(str[:-1], 0)
+    except Exception as e:
+          print('Error:',e)
+          is_digit = False
+          value = 0
+    finally:
+        return is_digit, value
+
+def filter_out_safe_constants(str):
+    is_digit, value = get_digit_type_and_value(str)
+    if (is_digit):
+        if (value >= 0x100000000):
+            return True
+        else:
+            return False
+    else:
+        return True
+
+def construct_warnings(suggested_fun):
+    msg="WARNING: do_div() does a 64-by-32 division, please consider using %s instead."
+    return  msg % suggested_fun
+
+@depends on context@
+expression f;
+long l: script:python() { filter_out_safe_constants(l) };
+unsigned long ul : script:python() { filter_out_safe_constants(ul) };
+u64 ul64 : script:python() { filter_out_safe_constants(ul64) };
+s64 sl64 : script:python() { filter_out_safe_constants(sl64) };
+
+@@
+(
+* do_div(f, l);
+|
+* do_div(f, ul);
+|
+* do_div(f, ul64);
+|
+* do_div(f, sl64);
+)
+
+@r depends on (org || report)@
+expression f;
+position p;
+long l: script:python() { filter_out_safe_constants(l) };
+unsigned long ul : script:python() { filter_out_safe_constants(ul) };
+u64 ul64 : script:python() { filter_out_safe_constants(ul64) };
+s64 sl64 : script:python() { filter_out_safe_constants(sl64) };
+@@
+(
+do_div@p(f, l);
+|
+do_div@p(f, ul);
+|
+do_div@p(f, ul64);
+|
+do_div@p(f, sl64);
+)
+
+@script:python depends on org@
+p << r.p;
+ul << r.ul;
+@@
+
+coccilib.org.print_todo(p[0], construct_warnings("div64_ul"))
+
+@script:python depends on org@
+p << r.p;
+l << r.l;
+@@
+
+coccilib.org.print_todo(p[0], construct_warnings("div64_long"))
+
+@script:python depends on org@
+p << r.p;
+ul64 << r.ul64;
+@@
+
+coccilib.org.print_todo(p[0], construct_warnings("div64_u64"))
+
+@script:python depends on org@
+p << r.p;
+sl64 << r.sl64;
+@@
+
+coccilib.org.print_todo(p[0], construct_warnings("div64_s64"))
+
+@script:python depends on report@
+p << r.p;
+ul << r.ul;
+@@
+
+coccilib.report.print_report(p[0], construct_warnings("div64_ul"))
+
+@script:python depends on report@
+p << r.p;
+l << r.l;
+@@
+
+coccilib.report.print_report(p[0], construct_warnings("div64_long"))
+
+@script:python depends on report@
+p << r.p;
+sl64 << r.sl64;
+@@
+
+coccilib.report.print_report(p[0], construct_warnings("div64_s64"))
+
+@script:python depends on report@
+p << r.p;
+ul64 << r.ul64;
+@@
+
+coccilib.report.print_report(p[0], construct_warnings("div64_u64"))
diff --git a/scripts/const_structs.checkpatch b/scripts/const_structs.checkpatch
index 1aae4f4fdacc..3980985205a0 100644
--- a/scripts/const_structs.checkpatch
+++ b/scripts/const_structs.checkpatch
@@ -54,7 +54,11 @@ sd_desc
 seq_operations
 sirfsoc_padmux
 snd_ac97_build_ops
+snd_pcm_ops
+snd_rawmidi_ops
 snd_soc_component_driver
+snd_soc_dai_ops
+snd_soc_ops
 soc_pcmcia_socket_ops
 stacktrace_ops
 sysfs_ops
diff --git a/scripts/decodecode b/scripts/decodecode
index 31d884e35f2f..c711a196511c 100755
--- a/scripts/decodecode
+++ b/scripts/decodecode
@@ -126,7 +126,7 @@ if [ $marker -ne 0 ]; then
 fi
 echo Code starting with the faulting instruction  > $T.aa
 echo =========================================== >> $T.aa
-code=`echo $code | sed -e 's/ [<(]/ /;s/[>)] / /;s/ /,0x/g; s/[>)]$//'`
+code=`echo $code | sed -e 's/\r//;s/ [<(]/ /;s/[>)] / /;s/ /,0x/g; s/[>)]$//'`
 echo -n "	.$type 0x" > $T.s
 echo $code >> $T.s
 disas $T 0
diff --git a/scripts/gdb/linux/symbols.py b/scripts/gdb/linux/symbols.py
index 08d264ac328b..46f7542db08c 100644
--- a/scripts/gdb/linux/symbols.py
+++ b/scripts/gdb/linux/symbols.py
@@ -148,7 +148,8 @@ lx-symbols command."""
         # drop all current symbols and reload vmlinux
         orig_vmlinux = 'vmlinux'
         for obj in gdb.objfiles():
-            if obj.filename.endswith('vmlinux'):
+            if (obj.filename.endswith('vmlinux') or
+                obj.filename.endswith('vmlinux.debug')):
                 orig_vmlinux = obj.filename
         gdb.execute("symbol-file", to_string=True)
         gdb.execute("symbol-file {0}".format(orig_vmlinux))
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 5d84b44a2a2a..971da3598fe4 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -646,19 +646,8 @@ static void check_conf(struct menu *menu)
 
 		switch (input_mode) {
 		case listnewconfig:
-			if (sym->name) {
-				const char *str;
-
-				if (sym->type == S_STRING) {
-					str = sym_get_string_value(sym);
-					str = sym_escape_string_value(str);
-					printf("%s%s=%s\n", CONFIG_, sym->name, str);
-					free((void *)str);
-				} else {
-					str = sym_get_string_value(sym);
-					printf("%s%s=%s\n", CONFIG_, sym->name, str);
-				}
-			}
+			if (sym->name)
+				print_symbol_for_listconfig(sym);
 			break;
 		case helpnewconfig:
 			printf("-----\n");
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index cf72680cd769..42bc56ee238c 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -11,6 +11,7 @@
 #include <fcntl.h>
 #include <limits.h>
 #include <stdarg.h>
+#include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -129,41 +130,22 @@ static size_t depfile_prefix_len;
 /* touch depfile for symbol 'name' */
 static int conf_touch_dep(const char *name)
 {
-	int fd, ret;
-	char *d;
+	int fd;
 
 	/* check overflow: prefix + name + '\0' must fit in buffer. */
 	if (depfile_prefix_len + strlen(name) + 1 > sizeof(depfile_path))
 		return -1;
 
-	d = depfile_path + depfile_prefix_len;
-	strcpy(d, name);
+	strcpy(depfile_path + depfile_prefix_len, name);
 
-	/* Assume directory path already exists. */
 	fd = open(depfile_path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
-	if (fd == -1) {
-		if (errno != ENOENT)
-			return -1;
-
-		ret = make_parent_dir(depfile_path);
-		if (ret)
-			return ret;
-
-		/* Try it again. */
-		fd = open(depfile_path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
-		if (fd == -1)
-			return -1;
-	}
+	if (fd == -1)
+		return -1;
 	close(fd);
 
 	return 0;
 }
 
-struct conf_printer {
-	void (*print_symbol)(FILE *, struct symbol *, const char *, void *);
-	void (*print_comment)(FILE *, const char *, void *);
-};
-
 static void conf_warning(const char *fmt, ...)
 	__attribute__ ((format (printf, 1, 2)));
 
@@ -227,6 +209,13 @@ static const char *conf_get_autoconfig_name(void)
 	return name ? name : "include/config/auto.conf";
 }
 
+static const char *conf_get_autoheader_name(void)
+{
+	char *name = getenv("KCONFIG_AUTOHEADER");
+
+	return name ? name : "include/generated/autoconf.h";
+}
+
 static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
 {
 	char *p2;
@@ -594,169 +583,171 @@ int conf_read(const char *name)
 	return 0;
 }
 
-/*
- * Kconfig configuration printer
- *
- * This printer is used when generating the resulting configuration after
- * kconfig invocation and `defconfig' files. Unset symbol might be omitted by
- * passing a non-NULL argument to the printer.
- *
- */
-static void
-kconfig_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
+struct comment_style {
+	const char *decoration;
+	const char *prefix;
+	const char *postfix;
+};
+
+static const struct comment_style comment_style_pound = {
+	.decoration = "#",
+	.prefix = "#",
+	.postfix = "#",
+};
+
+static const struct comment_style comment_style_c = {
+	.decoration = " *",
+	.prefix = "/*",
+	.postfix = " */",
+};
+
+static void conf_write_heading(FILE *fp, const struct comment_style *cs)
 {
+	fprintf(fp, "%s\n", cs->prefix);
 
-	switch (sym->type) {
-	case S_BOOLEAN:
-	case S_TRISTATE:
-		if (*value == 'n') {
-			bool skip_unset = (arg != NULL);
+	fprintf(fp, "%s Automatically generated file; DO NOT EDIT.\n",
+		cs->decoration);
 
-			if (!skip_unset)
-				fprintf(fp, "# %s%s is not set\n",
-				    CONFIG_, sym->name);
-			return;
-		}
-		break;
-	default:
-		break;
-	}
+	fprintf(fp, "%s %s\n", cs->decoration, rootmenu.prompt->text);
 
-	fprintf(fp, "%s%s=%s\n", CONFIG_, sym->name, value);
+	fprintf(fp, "%s\n", cs->postfix);
 }
 
-static void
-kconfig_print_comment(FILE *fp, const char *value, void *arg)
+/* The returned pointer must be freed on the caller side */
+static char *escape_string_value(const char *in)
 {
-	const char *p = value;
-	size_t l;
+	const char *p;
+	char *out;
+	size_t len;
 
-	for (;;) {
-		l = strcspn(p, "\n");
-		fprintf(fp, "#");
-		if (l) {
-			fprintf(fp, " ");
-			xfwrite(p, l, 1, fp);
-			p += l;
-		}
-		fprintf(fp, "\n");
-		if (*p++ == '\0')
+	len = strlen(in) + strlen("\"\"") + 1;
+
+	p = in;
+	while (1) {
+		p += strcspn(p, "\"\\");
+
+		if (p[0] == '\0')
 			break;
+
+		len++;
+		p++;
 	}
-}
 
-static struct conf_printer kconfig_printer_cb =
-{
-	.print_symbol = kconfig_print_symbol,
-	.print_comment = kconfig_print_comment,
-};
+	out = xmalloc(len);
+	out[0] = '\0';
+
+	strcat(out, "\"");
+
+	p = in;
+	while (1) {
+		len = strcspn(p, "\"\\");
+		strncat(out, p, len);
+		p += len;
+
+		if (p[0] == '\0')
+			break;
+
+		strcat(out, "\\");
+		strncat(out, p++, 1);
+	}
+
+	strcat(out, "\"");
+
+	return out;
+}
 
 /*
- * Header printer
+ * Kconfig configuration printer
  *
- * This printer is used when generating the `include/generated/autoconf.h' file.
+ * This printer is used when generating the resulting configuration after
+ * kconfig invocation and `defconfig' files. Unset symbol might be omitted by
+ * passing a non-NULL argument to the printer.
  */
-static void
-header_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
+enum output_n { OUTPUT_N, OUTPUT_N_AS_UNSET, OUTPUT_N_NONE };
+
+static void __print_symbol(FILE *fp, struct symbol *sym, enum output_n output_n,
+			   bool escape_string)
 {
+	const char *val;
+	char *escaped = NULL;
 
-	switch (sym->type) {
-	case S_BOOLEAN:
-	case S_TRISTATE: {
-		const char *suffix = "";
+	if (sym->type == S_UNKNOWN)
+		return;
 
-		switch (*value) {
-		case 'n':
-			break;
-		case 'm':
-			suffix = "_MODULE";
-			/* fall through */
-		default:
-			fprintf(fp, "#define %s%s%s 1\n",
-			    CONFIG_, sym->name, suffix);
-		}
-		break;
-	}
-	case S_HEX: {
-		const char *prefix = "";
+	val = sym_get_string_value(sym);
 
-		if (value[0] != '0' || (value[1] != 'x' && value[1] != 'X'))
-			prefix = "0x";
-		fprintf(fp, "#define %s%s %s%s\n",
-		    CONFIG_, sym->name, prefix, value);
-		break;
+	if ((sym->type == S_BOOLEAN || sym->type == S_TRISTATE) &&
+	    output_n != OUTPUT_N && *val == 'n') {
+		if (output_n == OUTPUT_N_AS_UNSET)
+			fprintf(fp, "# %s%s is not set\n", CONFIG_, sym->name);
+		return;
 	}
-	case S_STRING:
-	case S_INT:
-		fprintf(fp, "#define %s%s %s\n",
-		    CONFIG_, sym->name, value);
-		break;
-	default:
-		break;
+
+	if (sym->type == S_STRING && escape_string) {
+		escaped = escape_string_value(val);
+		val = escaped;
 	}
 
+	fprintf(fp, "%s%s=%s\n", CONFIG_, sym->name, val);
+
+	free(escaped);
 }
 
-static void
-header_print_comment(FILE *fp, const char *value, void *arg)
+static void print_symbol_for_dotconfig(FILE *fp, struct symbol *sym)
 {
-	const char *p = value;
-	size_t l;
+	__print_symbol(fp, sym, OUTPUT_N_AS_UNSET, true);
+}
 
-	fprintf(fp, "/*\n");
-	for (;;) {
-		l = strcspn(p, "\n");
-		fprintf(fp, " *");
-		if (l) {
-			fprintf(fp, " ");
-			xfwrite(p, l, 1, fp);
-			p += l;
-		}
-		fprintf(fp, "\n");
-		if (*p++ == '\0')
-			break;
-	}
-	fprintf(fp, " */\n");
+static void print_symbol_for_autoconf(FILE *fp, struct symbol *sym)
+{
+	__print_symbol(fp, sym, OUTPUT_N_NONE, true);
 }
 
-static struct conf_printer header_printer_cb =
+void print_symbol_for_listconfig(struct symbol *sym)
 {
-	.print_symbol = header_print_symbol,
-	.print_comment = header_print_comment,
-};
+	__print_symbol(stdout, sym, OUTPUT_N, true);
+}
 
-static void conf_write_symbol(FILE *fp, struct symbol *sym,
-			      struct conf_printer *printer, void *printer_arg)
+static void print_symbol_for_c(FILE *fp, struct symbol *sym)
 {
-	const char *str;
+	const char *val;
+	const char *sym_suffix = "";
+	const char *val_prefix = "";
+	char *escaped = NULL;
+
+	if (sym->type == S_UNKNOWN)
+		return;
+
+	val = sym_get_string_value(sym);
 
 	switch (sym->type) {
-	case S_UNKNOWN:
+	case S_BOOLEAN:
+	case S_TRISTATE:
+		switch (*val) {
+		case 'n':
+			return;
+		case 'm':
+			sym_suffix = "_MODULE";
+			/* fall through */
+		default:
+			val = "1";
+		}
 		break;
-	case S_STRING:
-		str = sym_get_string_value(sym);
-		str = sym_escape_string_value(str);
-		printer->print_symbol(fp, sym, str, printer_arg);
-		free((void *)str);
+	case S_HEX:
+		if (val[0] != '0' || (val[1] != 'x' && val[1] != 'X'))
+			val_prefix = "0x";
 		break;
+	case S_STRING:
+		escaped = escape_string_value(val);
+		val = escaped;
 	default:
-		str = sym_get_string_value(sym);
-		printer->print_symbol(fp, sym, str, printer_arg);
+		break;
 	}
-}
-
-static void
-conf_write_heading(FILE *fp, struct conf_printer *printer, void *printer_arg)
-{
-	char buf[256];
 
-	snprintf(buf, sizeof(buf),
-	    "\n"
-	    "Automatically generated file; DO NOT EDIT.\n"
-	    "%s\n",
-	    rootmenu.prompt->text);
+	fprintf(fp, "#define %s%s%s %s%s\n", CONFIG_, sym->name, sym_suffix,
+		val_prefix, val);
 
-	printer->print_comment(fp, buf, printer_arg);
+	free(escaped);
 }
 
 /*
@@ -815,7 +806,7 @@ int conf_write_defconfig(const char *filename)
 						goto next_menu;
 				}
 			}
-			conf_write_symbol(out, sym, &kconfig_printer_cb, NULL);
+			print_symbol_for_dotconfig(out, sym);
 		}
 next_menu:
 		if (menu->list != NULL) {
@@ -875,7 +866,7 @@ int conf_write(const char *name)
 	if (!out)
 		return 1;
 
-	conf_write_heading(out, &kconfig_printer_cb, NULL);
+	conf_write_heading(out, &comment_style_pound);
 
 	if (!conf_get_changed())
 		sym_clear_all_valid();
@@ -902,7 +893,7 @@ int conf_write(const char *name)
 				need_newline = false;
 			}
 			sym->flags |= SYMBOL_WRITTEN;
-			conf_write_symbol(out, sym, &kconfig_printer_cb, NULL);
+			print_symbol_for_dotconfig(out, sym);
 		}
 
 next:
@@ -952,32 +943,50 @@ next:
 }
 
 /* write a dependency file as used by kbuild to track dependencies */
-static int conf_write_dep(const char *name)
+static int conf_write_autoconf_cmd(const char *autoconf_name)
 {
+	char name[PATH_MAX], tmp[PATH_MAX];
 	struct file *file;
 	FILE *out;
+	int ret;
 
-	out = fopen("..config.tmp", "w");
-	if (!out)
-		return 1;
-	fprintf(out, "deps_config := \\\n");
-	for (file = file_list; file; file = file->next) {
-		if (file->next)
-			fprintf(out, "\t%s \\\n", file->name);
-		else
-			fprintf(out, "\t%s\n", file->name);
+	ret = snprintf(name, sizeof(name), "%s.cmd", autoconf_name);
+	if (ret >= sizeof(name)) /* check truncation */
+		return -1;
+
+	if (make_parent_dir(name))
+		return -1;
+
+	ret = snprintf(tmp, sizeof(tmp), "%s.cmd.tmp", autoconf_name);
+	if (ret >= sizeof(tmp)) /* check truncation */
+		return -1;
+
+	out = fopen(tmp, "w");
+	if (!out) {
+		perror("fopen");
+		return -1;
 	}
-	fprintf(out, "\n%s: \\\n"
-		     "\t$(deps_config)\n\n", conf_get_autoconfig_name());
 
-	env_write_dep(out, conf_get_autoconfig_name());
+	fprintf(out, "deps_config := \\\n");
+	for (file = file_list; file; file = file->next)
+		fprintf(out, "\t%s \\\n", file->name);
+
+	fprintf(out, "\n%s: $(deps_config)\n\n", autoconf_name);
+
+	env_write_dep(out, autoconf_name);
 
 	fprintf(out, "\n$(deps_config): ;\n");
+
+	if (ferror(out)) /* error check for all fprintf() calls */
+		return -1;
+
 	fclose(out);
 
-	if (make_parent_dir(name))
-		return 1;
-	rename("..config.tmp", name);
+	if (rename(tmp, name)) {
+		perror("rename");
+		return -1;
+	}
+
 	return 0;
 }
 
@@ -1053,63 +1062,83 @@ static int conf_touch_deps(void)
 	return 0;
 }
 
+static int __conf_write_autoconf(const char *filename,
+				 void (*print_symbol)(FILE *, struct symbol *),
+				 const struct comment_style *comment_style)
+{
+	char tmp[PATH_MAX];
+	FILE *file;
+	struct symbol *sym;
+	int ret, i;
+
+	if (make_parent_dir(filename))
+		return -1;
+
+	ret = snprintf(tmp, sizeof(tmp), "%s.tmp", filename);
+	if (ret >= sizeof(tmp)) /* check truncation */
+		return -1;
+
+	file = fopen(tmp, "w");
+	if (!file) {
+		perror("fopen");
+		return -1;
+	}
+
+	conf_write_heading(file, comment_style);
+
+	for_all_symbols(i, sym)
+		if ((sym->flags & SYMBOL_WRITE) && sym->name)
+			print_symbol(file, sym);
+
+	/* check possible errors in conf_write_heading() and print_symbol() */
+	if (ferror(file))
+		return -1;
+
+	fclose(file);
+
+	if (rename(tmp, filename)) {
+		perror("rename");
+		return -1;
+	}
+
+	return 0;
+}
+
 int conf_write_autoconf(int overwrite)
 {
 	struct symbol *sym;
-	const char *name;
 	const char *autoconf_name = conf_get_autoconfig_name();
-	FILE *out, *out_h;
-	int i;
+	int ret, i;
 
 	if (!overwrite && is_present(autoconf_name))
 		return 0;
 
-	conf_write_dep("include/config/auto.conf.cmd");
+	ret = conf_write_autoconf_cmd(autoconf_name);
+	if (ret)
+		return -1;
 
 	if (conf_touch_deps())
 		return 1;
 
-	out = fopen(".tmpconfig", "w");
-	if (!out)
-		return 1;
-
-	out_h = fopen(".tmpconfig.h", "w");
-	if (!out_h) {
-		fclose(out);
-		return 1;
-	}
-
-	conf_write_heading(out, &kconfig_printer_cb, NULL);
-	conf_write_heading(out_h, &header_printer_cb, NULL);
-
-	for_all_symbols(i, sym) {
+	for_all_symbols(i, sym)
 		sym_calc_value(sym);
-		if (!(sym->flags & SYMBOL_WRITE) || !sym->name)
-			continue;
-
-		/* write symbols to auto.conf and autoconf.h */
-		conf_write_symbol(out, sym, &kconfig_printer_cb, (void *)1);
-		conf_write_symbol(out_h, sym, &header_printer_cb, NULL);
-	}
-	fclose(out);
-	fclose(out_h);
 
-	name = getenv("KCONFIG_AUTOHEADER");
-	if (!name)
-		name = "include/generated/autoconf.h";
-	if (make_parent_dir(name))
-		return 1;
-	if (rename(".tmpconfig.h", name))
-		return 1;
+	ret = __conf_write_autoconf(conf_get_autoheader_name(),
+				    print_symbol_for_c,
+				    &comment_style_c);
+	if (ret)
+		return ret;
 
-	if (make_parent_dir(autoconf_name))
-		return 1;
 	/*
-	 * This must be the last step, kbuild has a dependency on auto.conf
-	 * and this marks the successful completion of the previous steps.
+	 * Create include/config/auto.conf. This must be the last step because
+	 * Kbuild has a dependency on auto.conf and this marks the successful
+	 * completion of the previous steps.
 	 */
-	if (rename(".tmpconfig", autoconf_name))
-		return 1;
+	ret = __conf_write_autoconf(conf_get_autoconfig_name(),
+				    print_symbol_for_autoconf,
+				    &comment_style_pound);
+	if (ret)
+		return ret;
 
 	return 0;
 }
diff --git a/scripts/kconfig/lexer.l b/scripts/kconfig/lexer.l
index 312cbad2d34d..cc386e443683 100644
--- a/scripts/kconfig/lexer.l
+++ b/scripts/kconfig/lexer.l
@@ -84,8 +84,7 @@ static void warn_ignored_character(char chr)
 n	[A-Za-z0-9_-]
 
 %%
-	int str = 0;
-	int ts, i;
+	char open_quote = 0;
 
 #.*			/* ignore comment */
 [ \t]*			/* whitespaces */
@@ -134,7 +133,7 @@ n	[A-Za-z0-9_-]
 ":="			return T_COLON_EQUAL;
 "+="			return T_PLUS_EQUAL;
 \"|\'			{
-				str = yytext[0];
+				open_quote = yytext[0];
 				new_string();
 				BEGIN(STRING);
 			}
@@ -171,7 +170,7 @@ n	[A-Za-z0-9_-]
 		append_string(yytext + 1, yyleng - 1);
 	}
 	\'|\"	{
-		if (str == yytext[0]) {
+		if (open_quote == yytext[0]) {
 			BEGIN(INITIAL);
 			yylval.string = text;
 			return T_WORD_QUOTE;
@@ -196,6 +195,8 @@ n	[A-Za-z0-9_-]
 
 <HELP>{
 	[ \t]+	{
+		int ts, i;
+
 		ts = 0;
 		for (i = 0; i < yyleng; i++) {
 			if (yytext[i] == '\t')
diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h
index a11626bdc421..edd1e617b25c 100644
--- a/scripts/kconfig/lkc_proto.h
+++ b/scripts/kconfig/lkc_proto.h
@@ -18,7 +18,7 @@ extern struct symbol * symbol_hash[SYMBOL_HASHSIZE];
 
 struct symbol * sym_lookup(const char *name, int flags);
 struct symbol * sym_find(const char *name);
-const char * sym_escape_string_value(const char *in);
+void print_symbol_for_listconfig(struct symbol *sym);
 struct symbol ** sym_re_search(const char *pattern);
 const char * sym_type_name(enum symbol_type type);
 void sym_calc_value(struct symbol *sym);
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 606ba8a63c24..3d6f7cba8846 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -728,7 +728,7 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
 		get_dep_str(r, prop->visible.expr, "  Visible if: ");
 
 	menu = prop->menu->parent;
-	for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent) {
+	for (i = 0; menu && i < 8; menu = menu->parent) {
 		bool accessible = menu_is_visible(menu);
 
 		submenu[i++] = menu;
@@ -758,21 +758,24 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
 		list_add_tail(&jump->entries, head);
 	}
 
-	if (i > 0) {
-		str_printf(r, "  Location:\n");
-		for (j = 4; --i >= 0; j += 2) {
-			menu = submenu[i];
-			if (jump && menu == location)
-				jump->offset = strlen(r->s);
-			str_printf(r, "%*c-> %s", j, ' ',
-				   menu_get_prompt(menu));
-			if (menu->sym) {
-				str_printf(r, " (%s [=%s])", menu->sym->name ?
-					menu->sym->name : "<choice>",
-					sym_get_string_value(menu->sym));
-			}
-			str_append(r, "\n");
+	str_printf(r, "  Location:\n");
+	for (j = 4; --i >= 0; j += 2) {
+		menu = submenu[i];
+		if (jump && menu == location)
+			jump->offset = strlen(r->s);
+
+		if (menu == &rootmenu)
+			/* The real rootmenu prompt is ugly */
+			str_printf(r, "%*cMain menu", j, ' ');
+		else
+			str_printf(r, "%*c-> %s", j, ' ', menu_get_prompt(menu));
+
+		if (menu->sym) {
+			str_printf(r, " (%s [=%s])", menu->sym->name ?
+				menu->sym->name : "<choice>",
+				sym_get_string_value(menu->sym));
 		}
+		str_append(r, "\n");
 	}
 }
 
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index 5844d636d38f..0572330bf8a7 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -871,49 +871,6 @@ struct symbol *sym_find(const char *name)
 	return symbol;
 }
 
-const char *sym_escape_string_value(const char *in)
-{
-	const char *p;
-	size_t reslen;
-	char *res;
-	size_t l;
-
-	reslen = strlen(in) + strlen("\"\"") + 1;
-
-	p = in;
-	for (;;) {
-		l = strcspn(p, "\"\\");
-		p += l;
-
-		if (p[0] == '\0')
-			break;
-
-		reslen++;
-		p++;
-	}
-
-	res = xmalloc(reslen);
-	res[0] = '\0';
-
-	strcat(res, "\"");
-
-	p = in;
-	for (;;) {
-		l = strcspn(p, "\"\\");
-		strncat(res, p, l);
-		p += l;
-
-		if (p[0] == '\0')
-			break;
-
-		strcat(res, "\\");
-		strncat(res, p++, 1);
-	}
-
-	strcat(res, "\"");
-	return res;
-}
-
 struct sym_match {
 	struct symbol	*sym;
 	off_t		so, eo;
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index 3ea7cece7c97..5cdd9bc5c385 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -360,14 +360,14 @@ if [ -n "${CONFIG_KALLSYMS}" ]; then
 	# kallsyms support
 	# Generate section listing all symbols and add it into vmlinux
 	# It's a three step process:
-	# 1)  Link .tmp_vmlinux1 so it has all symbols and sections,
+	# 1)  Link .tmp_vmlinux.kallsyms1 so it has all symbols and sections,
 	#     but __kallsyms is empty.
 	#     Running kallsyms on that gives us .tmp_kallsyms1.o with
 	#     the right size
-	# 2)  Link .tmp_vmlinux2 so it now has a __kallsyms section of
+	# 2)  Link .tmp_vmlinux.kallsyms2 so it now has a __kallsyms section of
 	#     the right size, but due to the added section, some
 	#     addresses have shifted.
-	#     From here, we generate a correct .tmp_kallsyms2.o
+	#     From here, we generate a correct .tmp_vmlinux.kallsyms2.o
 	# 3)  That link may have expanded the kernel image enough that
 	#     more linker branch stubs / trampolines had to be added, which
 	#     introduces new names, which further expands kallsyms. Do another
diff --git a/scripts/package/buildtar b/scripts/package/buildtar
index 221aa7df008d..cb54c7f1aa80 100755
--- a/scripts/package/buildtar
+++ b/scripts/package/buildtar
@@ -39,6 +39,10 @@ case "${1}" in
 		opts="-I ${XZ}"
 		tarball=${tarball}.xz
 		;;
+	tarzst-pkg)
+		opts="-I ${ZSTD}"
+		tarball=${tarball}.zst
+		;;
 	*)
 		echo "Unknown tarball target \"${1}\" requested, please add it to ${0}." >&2
 		exit 1
diff --git a/scripts/remove-stale-files b/scripts/remove-stale-files
index c3eb81c3f7de..0114c41e6938 100755
--- a/scripts/remove-stale-files
+++ b/scripts/remove-stale-files
@@ -28,4 +28,9 @@ if [ -n "${building_out_of_srctree}" ]; then
 	do
 		rm -f arch/arm/boot/compressed/${f}
 	done
+
+	for f in uart-ath79.c ashldi3.c bswapdi.c bswapsi.c
+	do
+		rm -f arch/mips/boot/compressed/${f}
+	done
 fi
diff --git a/scripts/spelling.txt b/scripts/spelling.txt
index 17fdc620d548..acf6ea711299 100644
--- a/scripts/spelling.txt
+++ b/scripts/spelling.txt
@@ -178,6 +178,7 @@ assum||assume
 assumtpion||assumption
 asuming||assuming
 asycronous||asynchronous
+asychronous||asynchronous
 asynchnous||asynchronous
 asynchromous||asynchronous
 asymetric||asymmetric
@@ -241,6 +242,7 @@ beter||better
 betweeen||between
 bianries||binaries
 bitmast||bitmask
+bitwiedh||bitwidth
 boardcast||broadcast
 borad||board
 boundry||boundary
@@ -265,7 +267,10 @@ calucate||calculate
 calulate||calculate
 cancelation||cancellation
 cancle||cancel
+cant||can't
+cant'||can't
 canot||cannot
+cann't||can't
 capabilites||capabilities
 capabilties||capabilities
 capabilty||capability
@@ -501,6 +506,7 @@ disble||disable
 disgest||digest
 disired||desired
 dispalying||displaying
+dissable||disable
 diplay||display
 directon||direction
 direcly||directly
@@ -595,6 +601,7 @@ exceded||exceeded
 exceds||exceeds
 exceeed||exceed
 excellant||excellent
+exchnage||exchange
 execeeded||exceeded
 execeeds||exceeds
 exeed||exceed
@@ -938,6 +945,7 @@ migrateable||migratable
 milliseonds||milliseconds
 minium||minimum
 minimam||minimum
+minimun||minimum
 miniumum||minimum
 minumum||minimum
 misalinged||misaligned
@@ -956,6 +964,7 @@ mmnemonic||mnemonic
 mnay||many
 modfiy||modify
 modifer||modifier
+modul||module
 modulues||modules
 momery||memory
 memomry||memory
@@ -1154,6 +1163,7 @@ programable||programmable
 programers||programmers
 programm||program
 programms||programs
+progres||progress
 progresss||progress
 prohibitted||prohibited
 prohibitting||prohibiting
@@ -1328,6 +1338,7 @@ servive||service
 setts||sets
 settting||setting
 shapshot||snapshot
+shoft||shift
 shotdown||shutdown
 shoud||should
 shouldnt||shouldn't
@@ -1439,6 +1450,7 @@ syfs||sysfs
 symetric||symmetric
 synax||syntax
 synchonized||synchronized
+sychronization||synchronization
 synchronuously||synchronously
 syncronize||synchronize
 syncronized||synchronized
@@ -1521,6 +1533,7 @@ unexpexted||unexpected
 unfortunatelly||unfortunately
 unifiy||unify
 uniterrupted||uninterrupted
+uninterruptable||uninterruptible
 unintialized||uninitialized
 unitialized||uninitialized
 unkmown||unknown
@@ -1553,6 +1566,7 @@ unuseful||useless
 unvalid||invalid
 upate||update
 upsupported||unsupported
+useable||usable
 usefule||useful
 usefull||useful
 usege||usage
@@ -1574,6 +1588,7 @@ varient||variant
 vaule||value
 verbse||verbose
 veify||verify
+verfication||verification
 veriosn||version
 verisons||versions
 verison||version
@@ -1586,6 +1601,7 @@ visiters||visitors
 vitual||virtual
 vunerable||vulnerable
 wakeus||wakeups
+was't||wasn't
 wathdog||watchdog
 wating||waiting
 wiat||wait