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()
  ...

10 files changed, 29 insertions, 20 deletions

diff --git a/arch/ia64/configs/bigsur_defconfig b/arch/ia64/configs/bigsur_defconfig
index a3724882295c..3e1337aceb37 100644
--- a/arch/ia64/configs/bigsur_defconfig
+++ b/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
diff --git a/arch/ia64/configs/generic_defconfig b/arch/ia64/configs/generic_defconfig
index a3dff482a3d7..f8033bacea89 100644
--- a/arch/ia64/configs/generic_defconfig
+++ b/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
diff --git a/arch/ia64/configs/gensparse_defconfig b/arch/ia64/configs/gensparse_defconfig
index 4cd46105b020..ffebe6c503f5 100644
--- a/arch/ia64/configs/gensparse_defconfig
+++ b/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
diff --git a/arch/ia64/configs/tiger_defconfig b/arch/ia64/configs/tiger_defconfig
index a2045d73adfa..45f5d6e2da0a 100644
--- a/arch/ia64/configs/tiger_defconfig
+++ b/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
diff --git a/arch/ia64/configs/zx1_defconfig b/arch/ia64/configs/zx1_defconfig
index 99f8b2a0332b..ed104550d0d5 100644
--- a/arch/ia64/configs/zx1_defconfig
+++ b/arch/ia64/configs/zx1_defconfig
@@ -30,7 +30,6 @@ CONFIG_PATA_CMD64X=y
 CONFIG_SCSI=y
 CONFIG_BLK_DEV_SD=y
 CONFIG_CHR_DEV_ST=y
-CONFIG_CHR_DEV_OSST=y
 CONFIG_BLK_DEV_SR=y
 CONFIG_CHR_DEV_SG=y
 CONFIG_SCSI_CONSTANTS=y
diff --git a/arch/ia64/include/asm/processor.h b/arch/ia64/include/asm/processor.h
index 757c2f6d8d4b..d1978e004054 100644
--- a/arch/ia64/include/asm/processor.h
+++ b/arch/ia64/include/asm/processor.h
@@ -318,13 +318,6 @@ struct thread_struct {
 struct mm_struct;
 struct task_struct;
 
-/*
- * Free all resources held by a thread. This is called after the
- * parent of DEAD_TASK has collected the exit status of the task via
- * wait().
- */
-#define release_thread(dead_task)
-
 /* Get wait channel for task P.  */
 extern unsigned long __get_wchan (struct task_struct *p);
 
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index c62a66710ad6..92ede80d17fe 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -1793,7 +1793,7 @@ format_mca_init_stack(void *mca_data, unsigned long offset,
 	p->parent = p->real_parent = p->group_leader = p;
 	INIT_LIST_HEAD(&p->children);
 	INIT_LIST_HEAD(&p->sibling);
-	strncpy(p->comm, type, sizeof(p->comm)-1);
+	strscpy(p->comm, type, sizeof(p->comm)-1);
 }
 
 /* Caller prevents this from being called after init */
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index fd6301eafa9d..c05728044272 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -552,7 +552,7 @@ setup_arch (char **cmdline_p)
 	ia64_patch_vtop((u64) __start___vtop_patchlist, (u64) __end___vtop_patchlist);
 
 	*cmdline_p = __va(ia64_boot_param->command_line);
-	strlcpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
+	strscpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
 
 	efi_init();
 	io_port_init();
diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c
index e14db25146c2..215bf3f8cb20 100644
--- a/arch/ia64/kernel/sys_ia64.c
+++ b/arch/ia64/kernel/sys_ia64.c
@@ -166,3 +166,29 @@ ia64_mremap (unsigned long addr, unsigned long old_len, unsigned long new_len, u
 		force_successful_syscall_return();
 	return addr;
 }
+
+asmlinkage long
+ia64_clock_getres(const clockid_t which_clock, struct __kernel_timespec __user *tp)
+{
+	/*
+	 * ia64's clock_gettime() syscall is implemented as a vdso call
+	 * fsys_clock_gettime(). Currently it handles only
+	 * CLOCK_REALTIME and CLOCK_MONOTONIC. Both are based on
+	 * 'ar.itc' counter which gets incremented at a constant
+	 * frequency. It's usually 400MHz, ~2.5x times slower than CPU
+	 * clock frequency. Which is almost a 1ns hrtimer, but not quite.
+	 *
+	 * Let's special-case these timers to report correct precision
+	 * based on ITC frequency and not HZ frequency for supported
+	 * clocks.
+	 */
+	switch (which_clock) {
+	case CLOCK_REALTIME:
+	case CLOCK_MONOTONIC:
+		s64 tick_ns = DIV_ROUND_UP(NSEC_PER_SEC, local_cpu_data->itc_freq);
+		struct timespec64 rtn_tp = ns_to_timespec64(tick_ns);
+		return put_timespec64(&rtn_tp, tp);
+	}
+
+	return sys_clock_getres(which_clock, tp);
+}
diff --git a/arch/ia64/kernel/syscalls/syscall.tbl b/arch/ia64/kernel/syscalls/syscall.tbl
index 78b1d03e86e1..72c929d9902b 100644
--- a/arch/ia64/kernel/syscalls/syscall.tbl
+++ b/arch/ia64/kernel/syscalls/syscall.tbl
@@ -240,7 +240,7 @@
 228	common	timer_delete			sys_timer_delete
 229	common	clock_settime			sys_clock_settime
 230	common	clock_gettime			sys_clock_gettime
-231	common	clock_getres			sys_clock_getres
+231	common	clock_getres			ia64_clock_getres
 232	common	clock_nanosleep			sys_clock_nanosleep
 233	common	fstatfs64			sys_fstatfs64
 234	common	statfs64			sys_statfs64