Merge tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull non-MM updates from Andrew Morton:

 - hfs and hfsplus kmap API modernization (Fabio Francesco)

 - make crash-kexec work properly when invoked from an NMI-time panic
   (Valentin Schneider)

 - ntfs bugfixes (Hawkins Jiawei)

 - improve IPC msg scalability by replacing atomic_t's with percpu
   counters (Jiebin Sun)

 - nilfs2 cleanups (Minghao Chi)

 - lots of other single patches all over the tree!

* tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (71 commits)
  include/linux/entry-common.h: remove has_signal comment of arch_do_signal_or_restart() prototype
  proc: test how it holds up with mapping'less process
  mailmap: update Frank Rowand email address
  ia64: mca: use strscpy() is more robust and safer
  init/Kconfig: fix unmet direct dependencies
  ia64: update config files
  nilfs2: replace WARN_ONs by nilfs_error for checkpoint acquisition failure
  fork: remove duplicate included header files
  init/main.c: remove unnecessary (void*) conversions
  proc: mark more files as permanent
  nilfs2: remove the unneeded result variable
  nilfs2: delete unnecessary checks before brelse()
  checkpatch: warn for non-standard fixes tag style
  usr/gen_init_cpio.c: remove unnecessary -1 values from int file
  ipc/msg: mitigate the lock contention with percpu counter
  percpu: add percpu_counter_add_local and percpu_counter_sub_local
  fs/ocfs2: fix repeated words in comments
  relay: use kvcalloc to alloc page array in relay_alloc_page_array
  proc: make config PROC_CHILDREN depend on PROC_FS
  fs: uninline inode_maybe_inc_iversion()
  ...

.mailmap

@@ -137,6 +137,7 @@ Filipe Lautert <filipe@icewall.org>
 Finn Thain <fthain@linux-m68k.org> <fthain@telegraphics.com.au>
 Franck Bui-Huu <vagabon.xyz@gmail.com>
 Frank Rowand <frowand.list@gmail.com> <frank.rowand@am.sony.com>
+Frank Rowand <frowand.list@gmail.com> <frank.rowand@sony.com>
 Frank Rowand <frowand.list@gmail.com> <frank.rowand@sonymobile.com>
 Frank Rowand <frowand.list@gmail.com> <frowand@mvista.com>
 Frank Zago <fzago@systemfabricworks.com>

Documentation/admin-guide/sysctl/kernel.rst

@@ -65,6 +65,11 @@ combining the following values:
 4 s3_beep
 = =======
 
+arch
+====
+
+The machine hardware name, the same output as ``uname -m``
+(e.g. ``x86_64`` or ``aarch64``).
 
 auto_msgmni
 ===========

Documentation/dev-tools/checkpatch.rst

@@ -612,6 +612,13 @@ Commit message
 
     See: https://www.kernel.org/doc/html/latest/process/submitting-patches.html#describe-your-changes
 
+  **BAD_FIXES_TAG**
+    The Fixes: tag is malformed or does not follow the community conventions.
+    This can occur if the tag have been split into multiple lines (e.g., when
+    pasted in an email program with word wrapping enabled).
+
+    See: https://www.kernel.org/doc/html/latest/process/submitting-patches.html#describe-your-changes
+
 
 Comparison style
 ----------------

arch/alpha/configs/defconfig

@@ -65,7 +65,7 @@ CONFIG_NFSD=m
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_KERNEL=y
-CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
 CONFIG_ALPHA_LEGACY_START_ADDRESS=y
 CONFIG_MATHEMU=y
 CONFIG_CRYPTO_HMAC=y

arch/alpha/include/asm/processor.h

@@ -36,8 +36,6 @@ extern void start_thread(struct pt_regs *, unsigned long, unsigned long);
 
 /* Free all resources held by a thread. */
 struct task_struct;
-extern void release_thread(struct task_struct *);
-
 unsigned long __get_wchan(struct task_struct *p);
 
 #define KSTK_EIP(tsk) (task_pt_regs(tsk)->pc)

arch/alpha/kernel/process.c

@@ -225,11 +225,6 @@ flush_thread(void)
 	current_thread_info()->pcb.unique = 0;
 }
 
-void
-release_thread(struct task_struct *dead_task)
-{
-}
-
 /*
  * Copy architecture-specific thread state
  */

arch/alpha/kernel/setup.c

@@ -491,9 +491,9 @@ setup_arch(char **cmdline_p)
 	   boot flags depending on the boot mode, we need some shorthand.
 	   This should do for installation.  */
 	if (strcmp(COMMAND_LINE, "INSTALL") == 0) {
-		strlcpy(command_line, "root=/dev/fd0 load_ramdisk=1", sizeof command_line);
+		strscpy(command_line, "root=/dev/fd0 load_ramdisk=1", sizeof(command_line));
 	} else {
-		strlcpy(command_line, COMMAND_LINE, sizeof command_line);
+		strscpy(command_line, COMMAND_LINE, sizeof(command_line));
 	}
 	strcpy(boot_command_line, command_line);
 	*cmdline_p = command_line;

arch/arc/configs/tb10x_defconfig

@@ -90,7 +90,7 @@ CONFIG_TMPFS=y
 CONFIG_CONFIGFS_FS=y
 # CONFIG_MISC_FILESYSTEMS is not set
 # CONFIG_NETWORK_FILESYSTEMS is not set
-CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
 CONFIG_STRIP_ASM_SYMS=y
 CONFIG_DEBUG_FS=y
 CONFIG_HEADERS_INSTALL=y

arch/arc/include/asm/processor.h

@@ -43,9 +43,6 @@ struct task_struct;
 #define task_pt_regs(p) \
 	((struct pt_regs *)(THREAD_SIZE + (void *)task_stack_page(p)) - 1)
 
-/* Free all resources held by a thread */
-#define release_thread(thread) do { } while (0)
-
 /*
  * A lot of busy-wait loops in SMP are based off of non-volatile data otherwise
  * get optimised away by gcc

arch/arm/include/asm/processor.h

@@ -81,9 +81,6 @@ static inline void arch_thread_struct_whitelist(unsigned long *offset,
 /* Forward declaration, a strange C thing */
 struct task_struct;
 
-/* Free all resources held by a thread. */
-extern void release_thread(struct task_struct *);
-
 unsigned long __get_wchan(struct task_struct *p);
 
 #define task_pt_regs(p) \

arch/arm/kernel/process.c

@@ -232,10 +232,6 @@ void flush_thread(void)
 	thread_notify(THREAD_NOTIFY_FLUSH, thread);
 }
 
-void release_thread(struct task_struct *dead_task)
-{
-}
-
 asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
 
 int copy_thread(struct task_struct *p, const struct kernel_clone_args *args)

arch/arm64/include/asm/processor.h

@@ -323,9 +323,6 @@ static inline bool is_ttbr1_addr(unsigned long addr)
 /* Forward declaration, a strange C thing */
 struct task_struct;
 
-/* Free all resources held by a thread. */
-extern void release_thread(struct task_struct *);
-
 unsigned long __get_wchan(struct task_struct *p);
 
 void update_sctlr_el1(u64 sctlr);

arch/arm64/kernel/process.c

@@ -279,10 +279,6 @@ void flush_thread(void)
 	flush_tagged_addr_state();
 }
 
-void release_thread(struct task_struct *dead_task)
-{
-}
-
 void arch_release_task_struct(struct task_struct *tsk)
 {
 	fpsimd_release_task(tsk);

arch/csky/include/asm/processor.h

@@ -69,11 +69,6 @@ do {									\
 /* Forward declaration, a strange C thing */
 struct task_struct;
 
-/* Free all resources held by a thread. */
-static inline void release_thread(struct task_struct *dead_task)
-{
-}
-
 /* Prepare to copy thread state - unlazy all lazy status */
 #define prepare_to_copy(tsk)    do { } while (0)
 

arch/hexagon/include/asm/processor.h

@@ -60,10 +60,6 @@ struct thread_struct {
 #define KSTK_EIP(tsk) (pt_elr(task_pt_regs(tsk)))
 #define KSTK_ESP(tsk) (pt_psp(task_pt_regs(tsk)))
 
-/*  Free all resources held by a thread; defined in process.c  */
-extern void release_thread(struct task_struct *dead_task);
-
-/* Get wait channel for task P.  */
 extern unsigned long __get_wchan(struct task_struct *p);
 
 /*  The following stuff is pretty HEXAGON specific.  */

arch/hexagon/kernel/process.c

@@ -112,13 +112,6 @@ int copy_thread(struct task_struct *p, const struct kernel_clone_args *args)
 	return 0;
 }
 
-/*
- * Release any architecture-specific resources locked by thread
- */
-void release_thread(struct task_struct *dead_task)
-{
-}
-
 /*
  * Some archs flush debug and FPU info here
  */

arch/ia64/configs/bigsur_defconfig

@@ -20,7 +20,6 @@ CONFIG_UNIX=y
 CONFIG_INET=y
 # CONFIG_IPV6 is not set
 CONFIG_BLK_DEV_LOOP=m
-CONFIG_BLK_DEV_CRYPTOLOOP=m
 CONFIG_BLK_DEV_NBD=m
 CONFIG_BLK_DEV_RAM=m
 CONFIG_ATA=m
@@ -91,7 +90,6 @@ CONFIG_NFS_V4=m
 CONFIG_NFSD=m
 CONFIG_NFSD_V4=y
 CONFIG_CIFS=m
-CONFIG_CIFS_STATS=y
 CONFIG_CIFS_XATTR=y
 CONFIG_CIFS_POSIX=y
 CONFIG_NLS_CODEPAGE_437=y

arch/ia64/configs/generic_defconfig

@@ -39,7 +39,6 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_CONNECTOR=y
 # CONFIG_PNP_DEBUG_MESSAGES is not set
 CONFIG_BLK_DEV_LOOP=m
-CONFIG_BLK_DEV_CRYPTOLOOP=m
 CONFIG_BLK_DEV_NBD=m
 CONFIG_BLK_DEV_RAM=y
 CONFIG_SGI_XP=m
@@ -91,7 +90,6 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y
 # CONFIG_HW_RANDOM is not set
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_EFI=y
-CONFIG_RAW_DRIVER=m
 CONFIG_HPET=y
 CONFIG_AGP=m
 CONFIG_AGP_I460=m

arch/ia64/configs/gensparse_defconfig

@@ -31,11 +31,9 @@ CONFIG_IP_MULTICAST=y
 CONFIG_SYN_COOKIES=y
 # CONFIG_IPV6 is not set
 CONFIG_BLK_DEV_LOOP=m
-CONFIG_BLK_DEV_CRYPTOLOOP=m
 CONFIG_BLK_DEV_NBD=m
 CONFIG_BLK_DEV_RAM=y
 CONFIG_ATA=y
-CONFIG_BLK_DEV_IDECD=y
 CONFIG_ATA_GENERIC=y
 CONFIG_PATA_CMD64X=y
 CONFIG_ATA_PIIX=y
@@ -81,7 +79,6 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y
 # CONFIG_HW_RANDOM is not set
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_EFI=y
-CONFIG_RAW_DRIVER=m
 CONFIG_HPET=y
 CONFIG_AGP=m
 CONFIG_AGP_I460=m

arch/ia64/configs/tiger_defconfig

@@ -36,7 +36,6 @@ CONFIG_IP_MULTICAST=y
 CONFIG_SYN_COOKIES=y
 # CONFIG_IPV6 is not set
 CONFIG_BLK_DEV_LOOP=m
-CONFIG_BLK_DEV_CRYPTOLOOP=m
 CONFIG_BLK_DEV_NBD=m
 CONFIG_BLK_DEV_RAM=y
 CONFIG_ATA=y
@@ -85,7 +84,6 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y
 # CONFIG_HW_RANDOM is not set
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_EFI=y
-CONFIG_RAW_DRIVER=m
 CONFIG_HPET=y
 CONFIG_AGP=m
 CONFIG_AGP_I460=m