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-rw-r--r--scripts/Makefile.kstack_erase2
-rwxr-xr-xscripts/check-sysctl-docs184
-rwxr-xr-xscripts/checkpatch.pl14
-rw-r--r--scripts/const_structs.checkpatch1
-rw-r--r--scripts/gdb/linux/symbols.py26
-rw-r--r--scripts/lib/kdoc/kdoc_parser.py1
6 files changed, 143 insertions, 85 deletions
diff --git a/scripts/Makefile.kstack_erase b/scripts/Makefile.kstack_erase
index c7bc2379e113..ee7e4ef7b892 100644
--- a/scripts/Makefile.kstack_erase
+++ b/scripts/Makefile.kstack_erase
@@ -16,6 +16,6 @@ endif
KSTACK_ERASE_CFLAGS := $(kstack-erase-cflags-y)
-export STACKLEAK_CFLAGS DISABLE_KSTACK_ERASE
+export KSTACK_ERASE_CFLAGS DISABLE_KSTACK_ERASE
KBUILD_CFLAGS += $(KSTACK_ERASE_CFLAGS)
diff --git a/scripts/check-sysctl-docs b/scripts/check-sysctl-docs
index 20274c63e745..910fd8a9a268 100755
--- a/scripts/check-sysctl-docs
+++ b/scripts/check-sysctl-docs
@@ -1,4 +1,4 @@
-#!/usr/bin/gawk -f
+#!/usr/bin/env -S gawk -f
# SPDX-License-Identifier: GPL-2.0
# Script to check sysctl documentation against source files
@@ -13,10 +13,22 @@
# Specify -vdebug=1 to see debugging information
BEGIN {
- if (!table) {
+ if (!table) {
print "Please specify the table to look for using the table variable" > "/dev/stderr"
exit 1
- }
+ }
+
+ # Documentation title skiplist
+ skiplist[0] = "^Documentation for"
+ skiplist[1] = "Network core options$"
+ skiplist[2] = "POSIX message queues filesystem$"
+ skiplist[3] = "Configuration options"
+ skiplist[4] = ". /proc/sys/fs"
+ skiplist[5] = "^Introduction$"
+ skiplist[6] = "^seccomp$"
+ skiplist[7] = "^pty$"
+ skiplist[8] = "^firmware_config$"
+ skiplist[9] = "^random$"
}
# The following globals are used:
@@ -31,124 +43,132 @@ BEGIN {
# Remove punctuation from the given value
function trimpunct(value) {
- while (value ~ /^["&]/) {
- value = substr(value, 2)
- }
- while (value ~ /[]["&,}]$/) {
- value = substr(value, 1, length(value) - 1)
- }
- return value
+ while (value ~ /^["&]/) {
+ value = substr(value, 2)
+ }
+ while (value ~ /[]["&,}]$/) {
+ value = substr(value, 1, length(value) - 1)
+ }
+ return value
}
# Print the information for the given entry
function printentry(entry) {
- seen[entry]++
- printf "* %s from %s", entry, file[entry]
- if (documented[entry]) {
- printf " (documented)"
- }
- print ""
+ seen[entry]++
+ printf "* %s from %s", entry, file[entry]
+ if (documented[entry]) {
+ printf " (documented)"
+ }
+ print ""
}
# Stage 1: build the list of documented entries
FNR == NR && /^=+$/ {
- if (prevline ~ /Documentation for/) {
- # This is the main title
- next
- }
-
- # The previous line is a section title, parse it
- $0 = prevline
- if (debug) print "Parsing " $0
- inbrackets = 0
- for (i = 1; i <= NF; i++) {
- if (length($i) == 0) {
- continue
- }
- if (!inbrackets && substr($i, 1, 1) == "(") {
- inbrackets = 1
- }
- if (!inbrackets) {
- token = trimpunct($i)
- if (length(token) > 0 && token != "and") {
- if (debug) print trimpunct($i)
- documented[trimpunct($i)]++
- }
+ for (i in skiplist) {
+ if (prevline ~ skiplist[i]) {
+ next
+ }
}
- if (inbrackets && substr($i, length($i), 1) == ")") {
- inbrackets = 0
+
+ # The previous line is a section title, parse it
+ $0 = prevline
+ if (debug) print "Parsing " $0
+ inbrackets = 0
+ for (i = 1; i <= NF; i++) {
+ if (length($i) == 0) {
+ continue
+ }
+ if (!inbrackets && substr($i, 1, 1) == "(") {
+ inbrackets = 1
+ }
+ if (!inbrackets) {
+ token = trimpunct($i)
+ if (length(token) > 0 && token != "and") {
+ if (debug) print trimpunct($i)
+ documented[trimpunct($i)]++
+ }
+ }
+ if (inbrackets && substr($i, length($i), 1) == ")") {
+ inbrackets = 0
+ }
}
- }
}
FNR == NR {
- prevline = $0
- next
+ prevline = $0
+ next
}
# Stage 2: process each file and find all sysctl tables
BEGINFILE {
- delete entries
- curtable = ""
- curentry = ""
- delete vars
- if (debug) print "Processing file " FILENAME
+ delete entries
+ curtable = ""
+ curentry = ""
+ delete vars
+ if (debug) print "Processing file " FILENAME
}
/^static( const)? struct ctl_table/ {
- match($0, /static( const)? struct ctl_table ([^][]+)/, tables)
- curtable = tables[2]
- if (debug) print "Processing table " curtable
+ match($0, /static( const)? struct ctl_table ([^][]+)/, tables)
+ curtable = tables[2]
+ if (debug) print "Processing table " curtable
}
/^};$/ {
- curtable = ""
- curentry = ""
- delete vars
+ curtable = ""
+ curentry = ""
+ delete vars
}
curtable && /\.procname[\t ]*=[\t ]*".+"/ {
- match($0, /.procname[\t ]*=[\t ]*"([^"]+)"/, names)
- curentry = names[1]
- if (debug) print "Adding entry " curentry " to table " curtable
- entries[curtable][curentry]++
- file[curentry] = FILENAME
+ match($0, /.procname[\t ]*=[\t ]*"([^"]+)"/, names)
+ curentry = names[1]
+ if (debug) print "Adding entry " curentry " to table " curtable
+ entries[curtable][curentry]++
+ file[curentry] = FILENAME
+}
+
+curtable && /UCOUNT_ENTRY.*/ {
+ match($0, /UCOUNT_ENTRY\("([^"]+)"\)/, names)
+ curentry = names[1]
+ if (debug) print "Adding entry " curentry " to table " curtable
+ entries[curtable][curentry]++
+ file[curentry] = FILENAME
}
/register_sysctl.*/ {
- match($0, /register_sysctl(|_init|_sz)\("([^"]+)" *, *([^,)]+)/, tables)
- if (debug) print "Registering table " tables[3] " at " tables[2]
- if (tables[2] == table) {
- for (entry in entries[tables[3]]) {
- printentry(entry)
- }
- }
+ match($0, /register_sysctl(|_init|_sz)\("([^"]+)" *, *([^,)]+)/, tables)
+ if (debug) print "Registering table " tables[3] " at " tables[2]
+ if (tables[2] == table) {
+ for (entry in entries[tables[3]]) {
+ printentry(entry)
+ }
+ }
}
/kmemdup.*/ {
- match($0, /([^ \t]+) *= *kmemdup\(([^,]+) *,/, names)
- if (debug) print "Found variable " names[1] " for table " names[2]
- if (names[2] in entries) {
- vars[names[1]] = names[2]
- }
+ match($0, /([^ \t]+) *= *kmemdup\(([^,]+) *,/, names)
+ if (debug) print "Found variable " names[1] " for table " names[2]
+ if (names[2] in entries) {
+ vars[names[1]] = names[2]
+ }
}
/__register_sysctl_table.*/ {
- match($0, /__register_sysctl_table\([^,]+, *"([^"]+)" *, *([^,]+)/, tables)
- if (debug) print "Registering variable table " tables[2] " at " tables[1]
- if (tables[1] == table && tables[2] in vars) {
- for (entry in entries[vars[tables[2]]]) {
- printentry(entry)
- }
- }
+ match($0, /__register_sysctl_table\([^,]+, *"([^"]+)" *, *([^,]+)/, tables)
+ if (debug) print "Registering variable table " tables[2] " at " tables[1]
+ if (tables[1] == table && tables[2] in vars) {
+ for (entry in entries[vars[tables[2]]]) {
+ printentry(entry)
+ }
+ }
}
END {
- for (entry in documented) {
- if (!seen[entry]) {
- print "No implementation for " entry
+ for (entry in documented) {
+ if (!seen[entry])
+ print "No implementation for " entry
}
- }
}
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 664f7b7a622c..22a6de59b77b 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -857,8 +857,6 @@ our %deprecated_apis = (
"kunmap" => "kunmap_local",
"kmap_atomic" => "kmap_local_page",
"kunmap_atomic" => "kunmap_local",
- "srcu_read_lock_lite" => "srcu_read_lock_fast",
- "srcu_read_unlock_lite" => "srcu_read_unlock_fast",
);
#Create a search pattern for all these strings to speed up a loop below
@@ -3741,6 +3739,18 @@ sub process {
}
}
+# Check for RGMII phy-mode with delay on PCB
+ if ($realfile =~ /\.(dts|dtsi|dtso)$/ &&
+ $line =~ /^\+\s*(phy-mode|phy-connection-type)\s*=\s*"/ &&
+ !ctx_has_comment($first_line, $linenr)) {
+ my $prop = $1;
+ my $mode = get_quoted_string($line, $rawline);
+ if ($mode =~ /^"rgmii(?:|-rxid|-txid)"$/) {
+ WARN("UNCOMMENTED_RGMII_MODE",
+ "$prop $mode without comment -- delays on the PCB should be described, otherwise use \"rgmii-id\"\n" . $herecurr);
+ }
+ }
+
# check for using SPDX license tag at beginning of files
if ($realline == $checklicenseline) {
if ($rawline =~ /^[ \+]\s*\#\!\s*\//) {
diff --git a/scripts/const_structs.checkpatch b/scripts/const_structs.checkpatch
index e8609a03c3d8..6eb94fddc338 100644
--- a/scripts/const_structs.checkpatch
+++ b/scripts/const_structs.checkpatch
@@ -1,6 +1,7 @@
acpi_dock_ops
address_space_operations
backlight_ops
+bin_attribute
block_device_operations
bus_type
clk_ops
diff --git a/scripts/gdb/linux/symbols.py b/scripts/gdb/linux/symbols.py
index 2332bd8eddf1..6edb99221675 100644
--- a/scripts/gdb/linux/symbols.py
+++ b/scripts/gdb/linux/symbols.py
@@ -84,6 +84,30 @@ def get_kerneloffset():
return None
+def is_in_s390_decompressor():
+ # DAT is always off in decompressor. Use this as an indicator.
+ # Note that in the kernel, DAT can be off during kexec() or restart.
+ # Accept this imprecision in order to avoid complicating things.
+ # It is unlikely that someone will run lx-symbols at these points.
+ pswm = int(gdb.parse_and_eval("$pswm"))
+ return (pswm & 0x0400000000000000) == 0
+
+
+def skip_decompressor():
+ if utils.is_target_arch("s390"):
+ if is_in_s390_decompressor():
+ # The address of the jump_to_kernel function is statically placed
+ # into svc_old_psw.addr (see ipl_data.c); read it from there. DAT
+ # is off, so we do not need to care about lowcore relocation.
+ svc_old_pswa = 0x148
+ jump_to_kernel = int(gdb.parse_and_eval("*(unsigned long long *)" +
+ hex(svc_old_pswa)))
+ gdb.execute("tbreak *" + hex(jump_to_kernel))
+ gdb.execute("continue")
+ while is_in_s390_decompressor():
+ gdb.execute("stepi")
+
+
class LxSymbols(gdb.Command):
"""(Re-)load symbols of Linux kernel and currently loaded modules.
@@ -204,6 +228,8 @@ lx-symbols command."""
saved_state['breakpoint'].enabled = saved_state['enabled']
def invoke(self, arg, from_tty):
+ skip_decompressor()
+
self.module_paths = [os.path.abspath(os.path.expanduser(p))
for p in arg.split()]
self.module_paths.append(os.getcwd())
diff --git a/scripts/lib/kdoc/kdoc_parser.py b/scripts/lib/kdoc/kdoc_parser.py
index 062453eefc7a..3115558925ac 100644
--- a/scripts/lib/kdoc/kdoc_parser.py
+++ b/scripts/lib/kdoc/kdoc_parser.py
@@ -666,6 +666,7 @@ class KernelDoc:
(KernRe(r'(?:__)?DECLARE_FLEX_ARRAY\s*\(' + args_pattern + r',\s*' + args_pattern + r'\)', re.S), r'\1 \2[]'),
(KernRe(r'DEFINE_DMA_UNMAP_ADDR\s*\(' + args_pattern + r'\)', re.S), r'dma_addr_t \1'),
(KernRe(r'DEFINE_DMA_UNMAP_LEN\s*\(' + args_pattern + r'\)', re.S), r'__u32 \1'),
+ (KernRe(r'VIRTIO_DECLARE_FEATURES\s*\(' + args_pattern + r'\)', re.S), r'u64 \1; u64 \1_array[VIRTIO_FEATURES_DWORDS]'),
]
# Regexes here are guaranteed to have the end limiter matching
generated by cgit (git 2.34.1) at 2025-07-31 03:44:38 +0000