Merge branch 'akpm' (patches from Andrew)

Merge more updates from Andrew Morton:
 "55 patches.

  Subsystems affected by this patch series: percpu, procfs, sysctl,
  misc, core-kernel, get_maintainer, lib, checkpatch, binfmt, nilfs2,
  hfs, fat, adfs, panic, delayacct, kconfig, kcov, and ubsan"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (55 commits)
  lib: remove redundant assignment to variable ret
  ubsan: remove CONFIG_UBSAN_OBJECT_SIZE
  kcov: fix generic Kconfig dependencies if ARCH_WANTS_NO_INSTR
  lib/Kconfig.debug: make TEST_KMOD depend on PAGE_SIZE_LESS_THAN_256KB
  btrfs: use generic Kconfig option for 256kB page size limit
  arch/Kconfig: split PAGE_SIZE_LESS_THAN_256KB from PAGE_SIZE_LESS_THAN_64KB
  configs: introduce debug.config for CI-like setup
  delayacct: track delays from memory compact
  Documentation/accounting/delay-accounting.rst: add thrashing page cache and direct compact
  delayacct: cleanup flags in struct task_delay_info and functions use it
  delayacct: fix incomplete disable operation when switch enable to disable
  delayacct: support swapin delay accounting for swapping without blkio
  panic: remove oops_id
  panic: use error_report_end tracepoint on warnings
  fs/adfs: remove unneeded variable make code cleaner
  FAT: use io_schedule_timeout() instead of congestion_wait()
  hfsplus: use struct_group_attr() for memcpy() region
  nilfs2: remove redundant pointer sbufs
  fs/binfmt_elf: use PT_LOAD p_align values for static PIE
  const_structs.checkpatch: add frequently used ops structs
  ...

4 files changed, 51 insertions, 29 deletions

diff --git a/scripts/Makefile.ubsan b/scripts/Makefile.ubsan
index 9e2092fd5206..7099c603ff0a 100644
--- a/scripts/Makefile.ubsan
+++ b/scripts/Makefile.ubsan
@@ -8,7 +8,6 @@ ubsan-cflags-$(CONFIG_UBSAN_LOCAL_BOUNDS)	+= -fsanitize=local-bounds
 ubsan-cflags-$(CONFIG_UBSAN_SHIFT)		+= -fsanitize=shift
 ubsan-cflags-$(CONFIG_UBSAN_DIV_ZERO)		+= -fsanitize=integer-divide-by-zero
 ubsan-cflags-$(CONFIG_UBSAN_UNREACHABLE)	+= -fsanitize=unreachable
-ubsan-cflags-$(CONFIG_UBSAN_OBJECT_SIZE)	+= -fsanitize=object-size
 ubsan-cflags-$(CONFIG_UBSAN_BOOL)		+= -fsanitize=bool
 ubsan-cflags-$(CONFIG_UBSAN_ENUM)		+= -fsanitize=enum
 ubsan-cflags-$(CONFIG_UBSAN_TRAP)		+= -fsanitize-undefined-trap-on-error
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 1784921c645d..b01c36a15d9d 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3172,7 +3172,7 @@ sub process {
 		    length($line) > 75 &&
 		    !($line =~ /^\s*[a-zA-Z0-9_\/\.]+\s+\|\s+\d+/ ||
 					# file delta changes
-		      $line =~ /^\s*(?:[\w\.\-]+\/)++[\w\.\-]+:/ ||
+		      $line =~ /^\s*(?:[\w\.\-\+]*\/)++[\w\.\-\+]+:/ ||
 					# filename then :
 		      $line =~ /^\s*(?:Fixes:|Link:|$signature_tags)/i ||
 					# A Fixes: or Link: line or signature tag line
@@ -3479,47 +3479,47 @@ sub process {
 		    # Kconfig supports named choices), so use a word boundary
 		    # (\b) rather than a whitespace character (\s)
 		    $line =~ /^\+\s*(?:config|menuconfig|choice)\b/) {
-			my $length = 0;
-			my $cnt = $realcnt;
-			my $ln = $linenr + 1;
-			my $f;
-			my $is_start = 0;
-			my $is_end = 0;
-			for (; $cnt > 0 && defined $lines[$ln - 1]; $ln++) {
-				$f = $lines[$ln - 1];
-				$cnt-- if ($lines[$ln - 1] !~ /^-/);
-				$is_end = $lines[$ln - 1] =~ /^\+/;
+			my $ln = $linenr;
+			my $needs_help = 0;
+			my $has_help = 0;
+			my $help_length = 0;
+			while (defined $lines[$ln]) {
+				my $f = $lines[$ln++];
 
 				next if ($f =~ /^-/);
-				last if (!$file && $f =~ /^\@\@/);
+				last if ($f !~ /^[\+ ]/);	# !patch context
 
-				if ($lines[$ln - 1] =~ /^\+\s*(?:bool|tristate|prompt)\s*["']/) {
-					$is_start = 1;
-				} elsif ($lines[$ln - 1] =~ /^\+\s*(?:---)?help(?:---)?$/) {
-					$length = -1;
+				if ($f =~ /^\+\s*(?:bool|tristate|prompt)\s*["']/) {
+					$needs_help = 1;
+					next;
+				}
+				if ($f =~ /^\+\s*help\s*$/) {
+					$has_help = 1;
+					next;
 				}
 
-				$f =~ s/^.//;
-				$f =~ s/#.*//;
-				$f =~ s/^\s+//;
-				next if ($f =~ /^$/);
+				$f =~ s/^.//;	# strip patch context [+ ]
+				$f =~ s/#.*//;	# strip # directives
+				$f =~ s/^\s+//;	# strip leading blanks
+				next if ($f =~ /^$/);	# skip blank lines
 
+				# At the end of this Kconfig block:
 				# This only checks context lines in the patch
 				# and so hopefully shouldn't trigger false
 				# positives, even though some of these are
 				# common words in help texts
-				if ($f =~ /^\s*(?:config|menuconfig|choice|endchoice|
-						  if|endif|menu|endmenu|source)\b/x) {
-					$is_end = 1;
+				if ($f =~ /^(?:config|menuconfig|choice|endchoice|
+					       if|endif|menu|endmenu|source)\b/x) {
 					last;
 				}
-				$length++;
+				$help_length++ if ($has_help);
 			}
-			if ($is_start && $is_end && $length < $min_conf_desc_length) {
+			if ($needs_help &&
+			    $help_length < $min_conf_desc_length) {
+				my $stat_real = get_stat_real($linenr, $ln - 1);
 				WARN("CONFIG_DESCRIPTION",
-				     "please write a paragraph that describes the config symbol fully\n" . $herecurr);
+				     "please write a help paragraph that fully describes the config symbol\n" . "$here\n$stat_real\n");
 			}
-			#print "is_start<$is_start> is_end<$is_end> length<$length>\n";
 		}
 
 # check MAINTAINERS entries
diff --git a/scripts/const_structs.checkpatch b/scripts/const_structs.checkpatch
index 3980985205a0..1eeb7b42c5b9 100644
--- a/scripts/const_structs.checkpatch
+++ b/scripts/const_structs.checkpatch
@@ -12,19 +12,27 @@ driver_info
 drm_connector_funcs
 drm_encoder_funcs
 drm_encoder_helper_funcs
+dvb_frontend_ops
+dvb_tuner_ops
 ethtool_ops
 extent_io_ops
+fb_ops
 file_lock_operations
 file_operations
 hv_ops
+hwmon_ops
+ib_device_ops
 ide_dma_ops
 ide_port_ops
+ieee80211_ops
+iio_buffer_setup_ops
 inode_operations
 intel_dvo_dev_ops
 irq_domain_ops
 item_operations
 iwl_cfg
 iwl_ops
+kernel_param_ops
 kgdb_arch
 kgdb_io
 kset_uevent_ops
@@ -32,25 +40,33 @@ lock_manager_operations
 machine_desc
 microcode_ops
 mlxsw_reg_info
+mtd_ooblayout_ops
 mtrr_ops
+nand_controller_ops
 neigh_ops
 net_device_ops
+nft_expr_ops
 nlmsvc_binding
 nvkm_device_chip
 of_device_id
 pci_raw_ops
 phy_ops
+pinconf_ops
 pinctrl_ops
 pinmux_ops
 pipe_buf_operations
 platform_hibernation_ops
 platform_suspend_ops
+proc_ops
 proto_ops
+pwm_ops
 regmap_access_table
 regulator_ops
+reset_control_ops
 rpc_pipe_ops
 rtc_class_ops
 sd_desc
+sdhci_ops
 seq_operations
 sirfsoc_padmux
 snd_ac97_build_ops
@@ -67,6 +83,13 @@ uart_ops
 usb_mon_operations
 v4l2_ctrl_ops
 v4l2_ioctl_ops
+v4l2_subdev_core_ops
+v4l2_subdev_internal_ops
+v4l2_subdev_ops
+v4l2_subdev_pad_ops
+v4l2_subdev_video_ops
+vb2_ops
 vm_operations_struct
 wacom_features
+watchdog_ops
 wd_ops
diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 2075db0c08b8..6bd5221d37b8 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -1718,7 +1718,7 @@ sub vcs_exists {
     %VCS_cmds = %VCS_cmds_hg;
     return 2 if eval $VCS_cmds{"available"};
     %VCS_cmds = ();
-    if (!$printed_novcs) {
+    if (!$printed_novcs && $email_git) {
 	warn("$P: No supported VCS found.  Add --nogit to options?\n");
 	warn("Using a git repository produces better results.\n");
 	warn("Try Linus Torvalds' latest git repository using:\n");