Merge branch 'for-6.0/dax' into libnvdimm-fixes

Pick up another "Soft Reservation" fix for v6.0-final on top of some
straggling nvdimm fixes that missed v5.19.

89 files changed, 389 insertions, 609 deletions

diff --git a/scripts/Kconfig.include b/scripts/Kconfig.include
index 0496efd6e117..a0ccceb22cf8 100644
--- a/scripts/Kconfig.include
+++ b/scripts/Kconfig.include
@@ -25,7 +25,7 @@ failure = $(if-success,$(1),n,y)
 
 # $(cc-option,<flag>)
 # Return y if the compiler supports <flag>, n otherwise
-cc-option = $(success,mkdir .tmp_$$$$; trap "rm -rf .tmp_$$$$" EXIT; $(CC) -Werror $(CLANG_FLAGS) $(1) -c -x c /dev/null -o .tmp_$$$$/tmp.o)
+cc-option = $(success,trap "rm -rf .tmp_$$" EXIT; mkdir .tmp_$$; $(CC) -Werror $(CLANG_FLAGS) $(1) -c -x c /dev/null -o .tmp_$$/tmp.o)
 
 # $(ld-option,<flag>)
 # Return y if the linker supports <flag>, n otherwise
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index cac070aee791..784f46d41959 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -358,9 +358,8 @@ $(subdir-modorder): $(obj)/%/modules.order: $(obj)/% ;
 
 quiet_cmd_ar_builtin = AR      $@
       cmd_ar_builtin = rm -f $@; \
-		echo $(patsubst $(obj)/%,%,$(real-prereqs)) | \
-		sed -E 's:([^ ]+):$(obj)/\1:g' | \
-		xargs $(AR) cDPrST $@
+	$(if $(real-prereqs), printf "$(obj)/%s " $(patsubst $(obj)/%,%,$(real-prereqs)) | xargs) \
+	$(AR) cDPrST $@
 
 $(obj)/built-in.a: $(real-obj-y) FORCE
 	$(call if_changed,ar_builtin)
diff --git a/scripts/Makefile.compiler b/scripts/Makefile.compiler
index 86ecd2ac874c..94d0d40cddb3 100644
--- a/scripts/Makefile.compiler
+++ b/scripts/Makefile.compiler
@@ -21,8 +21,8 @@ TMPOUT = $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_$$$$
 # automatically cleaned up.
 try-run = $(shell set -e;		\
 	TMP=$(TMPOUT)/tmp;		\
-	mkdir -p $(TMPOUT);		\
 	trap "rm -rf $(TMPOUT)" EXIT;	\
+	mkdir -p $(TMPOUT);		\
 	if ($(1)) >/dev/null 2>&1;	\
 	then echo "$(2)";		\
 	else echo "$(3)";		\
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index f5f0d6f09053..6ae482158bc4 100644
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -47,9 +47,20 @@ else
 
 ifdef CONFIG_CC_IS_CLANG
 KBUILD_CFLAGS += -Wno-initializer-overrides
+# Clang before clang-16 would warn on default argument promotions.
+ifeq ($(shell [ $(CONFIG_CLANG_VERSION) -lt 160000 ] && echo y),y)
+# Disable -Wformat
 KBUILD_CFLAGS += -Wno-format
+# Then re-enable flags that were part of the -Wformat group that aren't
+# problematic.
+KBUILD_CFLAGS += -Wformat-extra-args -Wformat-invalid-specifier
+KBUILD_CFLAGS += -Wformat-zero-length -Wnonnull
+# Requires clang-12+.
+ifeq ($(shell [ $(CONFIG_CLANG_VERSION) -ge 120000 ] && echo y),y)
+KBUILD_CFLAGS += -Wformat-insufficient-args
+endif
+endif
 KBUILD_CFLAGS += -Wno-sign-compare
-KBUILD_CFLAGS += -Wno-format-zero-length
 KBUILD_CFLAGS += $(call cc-disable-warning, pointer-to-enum-cast)
 KBUILD_CFLAGS += -Wno-tautological-constant-out-of-range-compare
 KBUILD_CFLAGS += $(call cc-disable-warning, unaligned-access)
diff --git a/scripts/Makefile.gcc-plugins b/scripts/Makefile.gcc-plugins
index 692d64a70542..e4deaf5fa571 100644
--- a/scripts/Makefile.gcc-plugins
+++ b/scripts/Makefile.gcc-plugins
@@ -4,7 +4,7 @@ gcc-plugin-$(CONFIG_GCC_PLUGIN_LATENT_ENTROPY)	+= latent_entropy_plugin.so
 gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_LATENT_ENTROPY)		\
 		+= -DLATENT_ENTROPY_PLUGIN
 ifdef CONFIG_GCC_PLUGIN_LATENT_ENTROPY
-    DISABLE_LATENT_ENTROPY_PLUGIN += -fplugin-arg-latent_entropy_plugin-disable
+    DISABLE_LATENT_ENTROPY_PLUGIN += -fplugin-arg-latent_entropy_plugin-disable -ULATENT_ENTROPY_PLUGIN
 endif
 export DISABLE_LATENT_ENTROPY_PLUGIN
 
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index d1425778664b..3fb6a99e78c4 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -236,6 +236,7 @@ objtool_args =								\
 	$(if $(CONFIG_FTRACE_MCOUNT_USE_OBJTOOL), --mcount)		\
 	$(if $(CONFIG_UNWINDER_ORC), --orc)				\
 	$(if $(CONFIG_RETPOLINE), --retpoline)				\
+	$(if $(CONFIG_RETHUNK), --rethunk)				\
 	$(if $(CONFIG_SLS), --sls)					\
 	$(if $(CONFIG_STACK_VALIDATION), --stackval)			\
 	$(if $(CONFIG_HAVE_STATIC_CALL_INLINE), --static-call)		\
diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst
index c2c43a0ecfe0..a4c987c23750 100644
--- a/scripts/Makefile.modinst
+++ b/scripts/Makefile.modinst
@@ -18,6 +18,9 @@ INSTALL_MOD_DIR ?= extra
 dst := $(MODLIB)/$(INSTALL_MOD_DIR)
 endif
 
+$(foreach x, % :, $(if $(findstring $x, $(dst)), \
+	$(error module installation path cannot contain '$x')))
+
 suffix-y				:=
 suffix-$(CONFIG_MODULE_COMPRESS_GZIP)	:= .gz
 suffix-$(CONFIG_MODULE_COMPRESS_XZ)	:= .xz
@@ -28,9 +31,6 @@ modules := $(patsubst $(extmod_prefix)%, $(dst)/%$(suffix-y), $(modules))
 __modinst: $(modules)
 	@:
 
-quiet_cmd_none =
-      cmd_none = :
-
 #
 # Installation
 #
diff --git a/scripts/Makefile.package b/scripts/Makefile.package
index 77b612183c08..5017f6b2da80 100644
--- a/scripts/Makefile.package
+++ b/scripts/Makefile.package
@@ -56,7 +56,7 @@ rpm-pkg:
 	$(MAKE) clean
 	$(CONFIG_SHELL) $(MKSPEC) >$(objtree)/kernel.spec
 	$(call cmd,src_tar,$(KERNELPATH),kernel.spec)
-	+rpmbuild $(RPMOPTS) --target $(UTS_MACHINE) -ta $(KERNELPATH).tar.gz \
+	+rpmbuild $(RPMOPTS) --target $(UTS_MACHINE)-linux -ta $(KERNELPATH).tar.gz \
 	--define='_smp_mflags %{nil}'
 
 # binrpm-pkg
@@ -66,7 +66,7 @@ binrpm-pkg:
 	$(MAKE) -f $(srctree)/Makefile
 	$(CONFIG_SHELL) $(MKSPEC) prebuilt > $(objtree)/binkernel.spec
 	+rpmbuild $(RPMOPTS) --define "_builddir $(objtree)" --target \
-		$(UTS_MACHINE) -bb $(objtree)/binkernel.spec
+		$(UTS_MACHINE)-linux -bb $(objtree)/binkernel.spec
 
 PHONY += deb-pkg
 deb-pkg:
diff --git a/scripts/Makefile.vmlinux_o b/scripts/Makefile.vmlinux_o
index 3c97a1564947..84019814f33f 100644
--- a/scripts/Makefile.vmlinux_o
+++ b/scripts/Makefile.vmlinux_o
@@ -44,7 +44,7 @@ objtool-enabled := $(or $(delay-objtool),$(CONFIG_NOINSTR_VALIDATION))
 
 objtool_args := \
 	$(if $(delay-objtool),$(objtool_args)) \
-	$(if $(CONFIG_NOINSTR_VALIDATION), --noinstr) \
+	$(if $(CONFIG_NOINSTR_VALIDATION), --noinstr $(if $(CONFIG_CPU_UNRET_ENTRY), --unret)) \
 	$(if $(CONFIG_GCOV_KERNEL), --no-unreachable) \
 	--link
 
diff --git a/scripts/bloat-o-meter b/scripts/bloat-o-meter
index 4dd6a804ce41..f9553f60a14a 100755
--- a/scripts/bloat-o-meter
+++ b/scripts/bloat-o-meter
@@ -7,24 +7,31 @@
 # This software may be used and distributed according to the terms
 # of the GNU General Public License, incorporated herein by reference.
 
-import sys, os, re
+import sys, os, re, argparse
 from signal import signal, SIGPIPE, SIG_DFL
 
 signal(SIGPIPE, SIG_DFL)
 
-if len(sys.argv) < 3:
-    sys.stderr.write("usage: %s [option] file1 file2\n" % sys.argv[0])
-    sys.stderr.write("The options are:\n")
-    sys.stderr.write("-c	categorize output based on symbol type\n")
-    sys.stderr.write("-d	Show delta of Data Section\n")
-    sys.stderr.write("-t	Show delta of text Section\n")
-    sys.exit(-1)
+parser = argparse.ArgumentParser(description="Simple script used to compare the symbol sizes of 2 object files")
+group = parser.add_mutually_exclusive_group()
+group.add_argument('-c', help='categorize output based on symbol type', action='store_true')
+group.add_argument('-d', help='Show delta of Data Section', action='store_true')
+group.add_argument('-t', help='Show delta of text Section', action='store_true')
+parser.add_argument('-p', dest='prefix', help='Arch prefix for the tool being used. Useful in cross build scenarios')
+parser.add_argument('file1', help='First file to compare')
+parser.add_argument('file2', help='Second file to compare')
+
+args = parser.parse_args()
 
 re_NUMBER = re.compile(r'\.[0-9]+')
 
 def getsizes(file, format):
     sym = {}
-    with os.popen("nm --size-sort " + file) as f:
+    nm = "nm"
+    if args.prefix:
+        nm = "{}nm".format(args.prefix)
+
+    with os.popen("{} --size-sort {}".format(nm, file)) as f:
         for line in f:
             if line.startswith("\n") or ":" in line:
                 continue
@@ -77,9 +84,9 @@ def calc(oldfile, newfile, format):
     delta.reverse()
     return grow, shrink, add, remove, up, down, delta, old, new, otot, ntot
 
-def print_result(symboltype, symbolformat, argc):
+def print_result(symboltype, symbolformat):
     grow, shrink, add, remove, up, down, delta, old, new, otot, ntot = \
-    calc(sys.argv[argc - 1], sys.argv[argc], symbolformat)
+    calc(args.file1, args.file2, symbolformat)
 
     print("add/remove: %s/%s grow/shrink: %s/%s up/down: %s/%s (%s)" % \
           (add, remove, grow, shrink, up, -down, up-down))
@@ -93,13 +100,13 @@ def print_result(symboltype, symbolformat, argc):
         percent = 0
     print("Total: Before=%d, After=%d, chg %+.2f%%" % (otot, ntot, percent))
 
-if sys.argv[1] == "-c":
-    print_result("Function", "tT", 3)
-    print_result("Data", "dDbB", 3)
-    print_result("RO Data", "rR", 3)
-elif sys.argv[1] == "-d":
-    print_result("Data", "dDbBrR", 3)
-elif sys.argv[1] == "-t":
-    print_result("Function", "tT", 3)
+if args.c:
+    print_result("Function", "tT")
+    print_result("Data", "dDbB")
+    print_result("RO Data", "rR")
+elif args.d:
+    print_result("Data", "dDbBrR")
+elif args.t:
+    print_result("Function", "tT")
 else:
-    print_result("Function", "tTdDbBrR", 2)
+    print_result("Function", "tTdDbBrR")
diff --git a/scripts/bpf_doc.py b/scripts/bpf_doc.py
index 855b937e7585..dfb260de17a8 100755
--- a/scripts/bpf_doc.py
+++ b/scripts/bpf_doc.py
@@ -333,27 +333,7 @@ class PrinterRST(Printer):
 .. Copyright (C) All BPF authors and contributors from 2014 to present.
 .. See git log include/uapi/linux/bpf.h in kernel tree for details.
 .. 
-.. %%%LICENSE_START(VERBATIM)
-.. Permission is granted to make and distribute verbatim copies of this
-.. manual provided the copyright notice and this permission notice are
-.. preserved on all copies.
-.. 
-.. Permission is granted to copy and distribute modified versions of this
-.. manual under the conditions for verbatim copying, provided that the
-.. entire resulting derived work is distributed under the terms of a
-.. permission notice identical to this one.
-.. 
-.. Since the Linux kernel and libraries are constantly changing, this
-.. manual page may be incorrect or out-of-date.  The author(s) assume no
-.. responsibility for errors or omissions, or for damages resulting from
-.. the use of the information contained herein.  The author(s) may not
-.. have taken the same level of care in the production of this manual,
-.. which is licensed free of charge, as they might when working
-.. professionally.
-.. 
-.. Formatted or processed versions of this manual, if unaccompanied by
-.. the source, must acknowledge the copyright and authors of this work.
-.. %%%LICENSE_END
+.. SPDX-License-Identifier:  Linux-man-pages-copyleft
 .. 
 .. Please do not edit this file. It was generated from the documentation
 .. located in file include/uapi/linux/bpf.h of the Linux kernel sources
@@ -635,6 +615,8 @@ class PrinterHelpers(Printer):
             'struct bpf_timer',
             'struct mptcp_sock',
             'struct bpf_dynptr',
+            'struct iphdr',
+            'struct ipv6hdr',
     ]
     known_types = {
             '...',
@@ -686,6 +668,8 @@ class PrinterHelpers(Printer):
             'struct bpf_timer',
             'struct mptcp_sock',
             'struct bpf_dynptr',
+            'struct iphdr',
+            'struct ipv6hdr',
     }