[PATCH 0/6] docs: Remove false positives from check-sysctl-docs

[PATCH 0/6] docs: Remove false positives from check-sysctl-docs

[Joel Granados]

Removed false positives from check-sysctl-docs where there where
ctl_tables that were implemented and had documentation but were being
marked as undocumented or unimplemented.

Besides adjusting the patterns in the check-sysctl-docs script, I also
corrected formatting in the kernel.rst and vm.rst doc files (no wording
changes!)

Please get back to me if you have any comment or suggestions
best

Signed-off-by: Joel Granados <joel.granados@kernel.org>
---
Joel Granados (6):
      docs: nixify check-sysctl-docs
      docs: Use skiplist when checking sysctl admin-guide
      docs: Add awk section for ucount sysctl entries
      docs: Remove colon from ctltable title in vm.rst
      docs: Replace spaces with tabs in check-sysctl-docs
      docs: Downgrade arm64 & riscv from titles to comment

 Documentation/admin-guide/sysctl/kernel.rst |  32 +++--
 Documentation/admin-guide/sysctl/vm.rst     |   8 +-
 scripts/check-sysctl-docs                   | 184 +++++++++++++++-------------
 3 files changed, 120 insertions(+), 104 deletions(-)
---
base-commit: 19272b37aa4f83ca52bdf9c16d5d81bdd1354494
change-id: 20250701-jag-sysctldoc-3281ce70e28b

Best regards,
-- 
Joel Granados <joel.granados@kernel.org>

[PATCH 0/6] docs: Remove false positives from check-sysctl-docs

[Joel Granados]

Removed false positives from check-sysctl-docs where there where
ctl_tables that were implemented and had documentation but were being
marked as undocumented or unimplemented.

Besides adjusting the patterns in the check-sysctl-docs script, I also
corrected formatting in the kernel.rst and vm.rst doc files (no wording
changes!)

Please get back to me if you have any comment or suggestions
best

Signed-off-by: Joel Granados <joel.granados@kernel.org>
---
Joel Granados (6):
      docs: nixify check-sysctl-docs
      docs: Use skiplist when checking sysctl admin-guide
      docs: Add awk section for ucount sysctl entries
      docs: Remove colon from ctltable title in vm.rst
      docs: Replace spaces with tabs in check-sysctl-docs
      docs: Downgrade arm64 & riscv from titles to comment

 Documentation/admin-guide/sysctl/kernel.rst |  32 +++--
 Documentation/admin-guide/sysctl/vm.rst     |   8 +-
 scripts/check-sysctl-docs                   | 184 +++++++++++++++-------------
 3 files changed, 120 insertions(+), 104 deletions(-)
---
base-commit: 19272b37aa4f83ca52bdf9c16d5d81bdd1354494
change-id: 20250701-jag-sysctldoc-3281ce70e28b

Best regards,
-- 
Joel Granados <joel.granados@kernel.org>



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[PATCH 1/6] docs: nixify check-sysctl-docs

[Joel Granados]

Use "#!/usr/bin/env -S gawk -f" instead of "#!/bin/gawk". Needed for
testing in nix environments as they only provide /usr/bin/env at the
standard location.

Signed-off-by: Joel Granados <joel.granados@kernel.org>
---
 scripts/check-sysctl-docs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/check-sysctl-docs b/scripts/check-sysctl-docs
index 20274c63e7451a8722137e7077f4456f293f4e54..178dcf2888ffd21845e8464fc2595052c02ff4a3 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

-- 
2.47.2

[PATCH 1/6] docs: nixify check-sysctl-docs

[Joel Granados]

Use "#!/usr/bin/env -S gawk -f" instead of "#!/bin/gawk". Needed for
testing in nix environments as they only provide /usr/bin/env at the
standard location.

Signed-off-by: Joel Granados <joel.granados@kernel.org>
---
 scripts/check-sysctl-docs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/check-sysctl-docs b/scripts/check-sysctl-docs
index 20274c63e7451a8722137e7077f4456f293f4e54..178dcf2888ffd21845e8464fc2595052c02ff4a3 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

-- 
2.47.2



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http://lists.infradead.org/mailman/listinfo/linux-riscv

[PATCH 2/6] docs: Use skiplist when checking sysctl admin-guide

[Joel Granados]

Use a skiplist to "skip" the titles in the guide documentation
(Documentation/admin-guide/sysctl/*) that are not sysctls. This will
give a more accurate account of what sysctl are miss-documented.

Signed-off-by: Joel Granados <joel.granados@kernel.org>
---
 scripts/check-sysctl-docs | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/scripts/check-sysctl-docs b/scripts/check-sysctl-docs
index 178dcf2888ffd21845e8464fc2595052c02ff4a3..568197cb1c0a84147785f05aabbbc6ab9dd896bc 100755
--- a/scripts/check-sysctl-docs
+++ b/scripts/check-sysctl-docs
@@ -17,6 +17,18 @@ BEGIN {
 	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:
@@ -53,10 +65,11 @@ function printentry(entry) {
 
 # Stage 1: build the list of documented entries
 FNR == NR && /^=+$/ {
-    if (prevline ~ /Documentation for/) {
-	# This is the main title
-	next
-    }
+	for (i in skiplist) {
+		if (prevline ~ skiplist[i]) {
+			next
+		}
+	}
 
     # The previous line is a section title, parse it
     $0 = prevline

-- 
2.47.2

[PATCH 2/6] docs: Use skiplist when checking sysctl admin-guide

[Joel Granados]

Use a skiplist to "skip" the titles in the guide documentation
(Documentation/admin-guide/sysctl/*) that are not sysctls. This will
give a more accurate account of what sysctl are miss-documented.

Signed-off-by: Joel Granados <joel.granados@kernel.org>
---
 scripts/check-sysctl-docs | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/scripts/check-sysctl-docs b/scripts/check-sysctl-docs
index 178dcf2888ffd21845e8464fc2595052c02ff4a3..568197cb1c0a84147785f05aabbbc6ab9dd896bc 100755
--- a/scripts/check-sysctl-docs
+++ b/scripts/check-sysctl-docs
@@ -17,6 +17,18 @@ BEGIN {
 	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:
@@ -53,10 +65,11 @@ function printentry(entry) {
 
 # Stage 1: build the list of documented entries
 FNR == NR && /^=+$/ {
-    if (prevline ~ /Documentation for/) {
-	# This is the main title
-	next
-    }
+	for (i in skiplist) {
+		if (prevline ~ skiplist[i]) {
+			next
+		}
+	}
 
     # The previous line is a section title, parse it
     $0 = prevline

-- 
2.47.2



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http://lists.infradead.org/mailman/listinfo/linux-riscv

[PATCH 3/6] docs: Add awk section for ucount sysctl entries

[Joel Granados]

Adjust the sysctl table detection to include the macro pattern used for
the ucount ctl_tables. This prevents falsly assigning them as
non-documented ctl_tables

Signed-off-by: Joel Granados <joel.granados@kernel.org>
---
 scripts/check-sysctl-docs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/scripts/check-sysctl-docs b/scripts/check-sysctl-docs
index 568197cb1c0a84147785f05aabbbc6ab9dd896bc..3166012b9c6ea4435dc77afaadcff3a4944b1ca8 100755
--- a/scripts/check-sysctl-docs
+++ b/scripts/check-sysctl-docs
@@ -130,6 +130,14 @@ curtable && /\.procname[\t ]*=[\t ]*".+"/ {
     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]

-- 
2.47.2

[PATCH 3/6] docs: Add awk section for ucount sysctl entries

[Joel Granados]

Adjust the sysctl table detection to include the macro pattern used for
the ucount ctl_tables. This prevents falsly assigning them as
non-documented ctl_tables

Signed-off-by: Joel Granados <joel.granados@kernel.org>
---
 scripts/check-sysctl-docs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/scripts/check-sysctl-docs b/scripts/check-sysctl-docs
index 568197cb1c0a84147785f05aabbbc6ab9dd896bc..3166012b9c6ea4435dc77afaadcff3a4944b1ca8 100755
--- a/scripts/check-sysctl-docs
+++ b/scripts/check-sysctl-docs
@@ -130,6 +130,14 @@ curtable && /\.procname[\t ]*=[\t ]*".+"/ {
     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]

-- 
2.47.2



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http://lists.infradead.org/mailman/listinfo/linux-riscv

[PATCH 4/6] docs: Remove colon from ctltable title in vm.rst

[Joel Granados]

Removing them solves an issue where they were incorrectly considered as
not implemented by the check-sysctl-docs script

Signed-off-by: Joel Granados <joel.granados@kernel.org>
---
 Documentation/admin-guide/sysctl/vm.rst | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Documentation/admin-guide/sysctl/vm.rst b/Documentation/admin-guide/sysctl/vm.rst
index 9bef46151d53cd3130a4a14c8a66bfdc3a5561b4..4d71211fdad8d061ccdef57477ce3dca5c78741d 100644
--- a/Documentation/admin-guide/sysctl/vm.rst
+++ b/Documentation/admin-guide/sysctl/vm.rst
@@ -465,8 +465,8 @@ The minimum value is 1 (1/1 -> 100%). The value less than 1 completely
 disables protection of the pages.
 
 
-max_map_count:
-==============
+max_map_count
+=============
 
 This file contains the maximum number of memory map areas a process
 may have. Memory map areas are used as a side-effect of calling
@@ -495,8 +495,8 @@ memory allocations.
 The default value depends on CONFIG_MEM_ALLOC_PROFILING_ENABLED_BY_DEFAULT.
 
 
-memory_failure_early_kill:
-==========================
+memory_failure_early_kill
+=========================
 
 Control how to kill processes when uncorrected memory error (typically
 a 2bit error in a memory module) is detected in the background by hardware

-- 
2.47.2

[PATCH 4/6] docs: Remove colon from ctltable title in vm.rst

[Joel Granados]

Removing them solves an issue where they were incorrectly considered as
not implemented by the check-sysctl-docs script

Signed-off-by: Joel Granados <joel.granados@kernel.org>
---
 Documentation/admin-guide/sysctl/vm.rst | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Documentation/admin-guide/sysctl/vm.rst b/Documentation/admin-guide/sysctl/vm.rst
index 9bef46151d53cd3130a4a14c8a66bfdc3a5561b4..4d71211fdad8d061ccdef57477ce3dca5c78741d 100644
--- a/Documentation/admin-guide/sysctl/vm.rst
+++ b/Documentation/admin-guide/sysctl/vm.rst
@@ -465,8 +465,8 @@ The minimum value is 1 (1/1 -> 100%). The value less than 1 completely
 disables protection of the pages.
 
 
-max_map_count:
-==============
+max_map_count
+=============
 
 This file contains the maximum number of memory map areas a process
 may have. Memory map areas are used as a side-effect of calling
@@ -495,8 +495,8 @@ memory allocations.
 The default value depends on CONFIG_MEM_ALLOC_PROFILING_ENABLED_BY_DEFAULT.
 
 
-memory_failure_early_kill:
-==========================
+memory_failure_early_kill
+=========================
 
 Control how to kill processes when uncorrected memory error (typically
 a 2bit error in a memory module) is detected in the background by hardware

-- 
2.47.2



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http://lists.infradead.org/mailman/listinfo/linux-riscv

[PATCH 5/6] docs: Replace spaces with tabs in check-sysctl-docs

[Joel Granados]

Remove the combination of spaces and tabs in favor of just tabs.

Signed-off-by: Joel Granados <joel.granados@kernel.org>
---
 scripts/check-sysctl-docs | 163 +++++++++++++++++++++++-----------------------
 1 file changed, 81 insertions(+), 82 deletions(-)

diff --git a/scripts/check-sysctl-docs b/scripts/check-sysctl-docs
index 3166012b9c6ea4435dc77afaadcff3a4944b1ca8..910fd8a9a2684aa709c1572e24fc94d52b093381 100755
--- a/scripts/check-sysctl-docs
+++ b/scripts/check-sysctl-docs
@@ -13,10 +13,10 @@
 # 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"
@@ -43,23 +43,23 @@ 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 ""
 }
 
 
@@ -71,105 +71,104 @@ FNR == NR && /^=+$/ {
 		}
 	}
 
-    # 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
+	# 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
+		}
 	}
-	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
+	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
 	}
-    }
 }

-- 
2.47.2

[PATCH 5/6] docs: Replace spaces with tabs in check-sysctl-docs

[Joel Granados]

Remove the combination of spaces and tabs in favor of just tabs.

Signed-off-by: Joel Granados <joel.granados@kernel.org>
---
 scripts/check-sysctl-docs | 163 +++++++++++++++++++++++-----------------------
 1 file changed, 81 insertions(+), 82 deletions(-)

diff --git a/scripts/check-sysctl-docs b/scripts/check-sysctl-docs
index 3166012b9c6ea4435dc77afaadcff3a4944b1ca8..910fd8a9a2684aa709c1572e24fc94d52b093381 100755
--- a/scripts/check-sysctl-docs
+++ b/scripts/check-sysctl-docs
@@ -13,10 +13,10 @@
 # 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"
@@ -43,23 +43,23 @@ 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 ""
 }
 
 
@@ -71,105 +71,104 @@ FNR == NR && /^=+$/ {
 		}
 	}
 
-    # 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
+	# 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
+		}
 	}
-	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
+	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
 	}
-    }
 }

-- 
2.47.2



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[PATCH 6/6] docs: Downgrade arm64 & riscv from titles to comment

[Joel Granados]

Remove the title string ("====") from under arm64 & riscv and move them
to a commment under the perf_user_access sysctl. They are explanations,
*not* sysctls themselves

This effectively removes these two strings from appearing as not
implemented when the check-sysctl-docs script is run

Signed-off-by: Joel Granados <joel.granados@kernel.org>
---
 Documentation/admin-guide/sysctl/kernel.rst | 32 +++++++++++++----------------
 1 file changed, 14 insertions(+), 18 deletions(-)

diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
index dd49a89a62d3542fa1a599f318dff26589e1d57b..c2683ce17b25821559d0c04914aea360440c7309 100644
--- a/Documentation/admin-guide/sysctl/kernel.rst
+++ b/Documentation/admin-guide/sysctl/kernel.rst
@@ -1014,30 +1014,26 @@ perf_user_access (arm64 and riscv only)
 
 Controls user space access for reading perf event counters.
 
-arm64
-=====
+* for arm64
+  The default value is 0 (access disabled).
 
-The default value is 0 (access disabled).
+  When set to 1, user space can read performance monitor counter registers
+  directly.
 
-When set to 1, user space can read performance monitor counter registers
-directly.
+  See Documentation/arch/arm64/perf.rst for more information.
 
-See Documentation/arch/arm64/perf.rst for more information.
+* for riscv
+  When set to 0, user space access is disabled.
 
-riscv
-=====
+  The default value is 1, user space can read performance monitor counter
+  registers through perf, any direct access without perf intervention will trigger
+  an illegal instruction.
 
-When set to 0, user space access is disabled.
+  When set to 2, which enables legacy mode (user space has direct access to cycle
+  and insret CSRs only). Note that this legacy value is deprecated and will be
+  removed once all user space applications are fixed.
 
-The default value is 1, user space can read performance monitor counter
-registers through perf, any direct access without perf intervention will trigger
-an illegal instruction.
-
-When set to 2, which enables legacy mode (user space has direct access to cycle
-and insret CSRs only). Note that this legacy value is deprecated and will be
-removed once all user space applications are fixed.
-
-Note that the time CSR is always directly accessible to all modes.
+  Note that the time CSR is always directly accessible to all modes.
 
 pid_max
 =======

-- 
2.47.2

[PATCH 6/6] docs: Downgrade arm64 & riscv from titles to comment

[Joel Granados]

Remove the title string ("====") from under arm64 & riscv and move them
to a commment under the perf_user_access sysctl. They are explanations,
*not* sysctls themselves

This effectively removes these two strings from appearing as not
implemented when the check-sysctl-docs script is run

Signed-off-by: Joel Granados <joel.granados@kernel.org>
---
 Documentation/admin-guide/sysctl/kernel.rst | 32 +++++++++++++----------------
 1 file changed, 14 insertions(+), 18 deletions(-)

diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
index dd49a89a62d3542fa1a599f318dff26589e1d57b..c2683ce17b25821559d0c04914aea360440c7309 100644
--- a/Documentation/admin-guide/sysctl/kernel.rst
+++ b/Documentation/admin-guide/sysctl/kernel.rst
@@ -1014,30 +1014,26 @@ perf_user_access (arm64 and riscv only)
 
 Controls user space access for reading perf event counters.
 
-arm64
-=====
+* for arm64
+  The default value is 0 (access disabled).
 
-The default value is 0 (access disabled).
+  When set to 1, user space can read performance monitor counter registers
+  directly.
 
-When set to 1, user space can read performance monitor counter registers
-directly.
+  See Documentation/arch/arm64/perf.rst for more information.
 
-See Documentation/arch/arm64/perf.rst for more information.
+* for riscv
+  When set to 0, user space access is disabled.
 
-riscv
-=====
+  The default value is 1, user space can read performance monitor counter
+  registers through perf, any direct access without perf intervention will trigger
+  an illegal instruction.
 
-When set to 0, user space access is disabled.
+  When set to 2, which enables legacy mode (user space has direct access to cycle
+  and insret CSRs only). Note that this legacy value is deprecated and will be
+  removed once all user space applications are fixed.
 
-The default value is 1, user space can read performance monitor counter
-registers through perf, any direct access without perf intervention will trigger
-an illegal instruction.
-
-When set to 2, which enables legacy mode (user space has direct access to cycle
-and insret CSRs only). Note that this legacy value is deprecated and will be
-removed once all user space applications are fixed.
-
-Note that the time CSR is always directly accessible to all modes.
+  Note that the time CSR is always directly accessible to all modes.
 
 pid_max
 =======

-- 
2.47.2



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Re: [PATCH 0/6] docs: Remove false positives from check-sysctl-docs

[patchwork-bot+linux-riscv]

Hello:

This series was applied to riscv/linux.git (fixes)
by Joel Granados <joel.granados@kernel.org>:

On Tue, 01 Jul 2025 10:56:41 +0200 you wrote:
> Removed false positives from check-sysctl-docs where there where
> ctl_tables that were implemented and had documentation but were being
> marked as undocumented or unimplemented.
> 
> Besides adjusting the patterns in the check-sysctl-docs script, I also
> corrected formatting in the kernel.rst and vm.rst doc files (no wording
> changes!)
> 
> [...]

Here is the summary with links:
  - [1/6] docs: nixify check-sysctl-docs
    https://git.kernel.org/riscv/c/89b491bcf2d1
  - [2/6] docs: Use skiplist when checking sysctl admin-guide
    https://git.kernel.org/riscv/c/be0aef10dca8
  - [3/6] docs: Add awk section for ucount sysctl entries
    https://git.kernel.org/riscv/c/e97a96baa527
  - [4/6] docs: Remove colon from ctltable title in vm.rst
    https://git.kernel.org/riscv/c/30ec9fde45b5
  - [5/6] docs: Replace spaces with tabs in check-sysctl-docs
    https://git.kernel.org/riscv/c/999aab7f5645
  - [6/6] docs: Downgrade arm64 & riscv from titles to comment
    https://git.kernel.org/riscv/c/ffc137c5c195

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html

Re: [PATCH 0/6] docs: Remove false positives from check-sysctl-docs

[patchwork-bot+linux-riscv]

Hello:

This series was applied to riscv/linux.git (fixes)
by Joel Granados <joel.granados@kernel.org>:

On Tue, 01 Jul 2025 10:56:41 +0200 you wrote:
> Removed false positives from check-sysctl-docs where there where
> ctl_tables that were implemented and had documentation but were being
> marked as undocumented or unimplemented.
> 
> Besides adjusting the patterns in the check-sysctl-docs script, I also
> corrected formatting in the kernel.rst and vm.rst doc files (no wording
> changes!)
> 
> [...]

Here is the summary with links:
  - [1/6] docs: nixify check-sysctl-docs
    https://git.kernel.org/riscv/c/89b491bcf2d1
  - [2/6] docs: Use skiplist when checking sysctl admin-guide
    https://git.kernel.org/riscv/c/be0aef10dca8
  - [3/6] docs: Add awk section for ucount sysctl entries
    https://git.kernel.org/riscv/c/e97a96baa527
  - [4/6] docs: Remove colon from ctltable title in vm.rst
    https://git.kernel.org/riscv/c/30ec9fde45b5
  - [5/6] docs: Replace spaces with tabs in check-sysctl-docs
    https://git.kernel.org/riscv/c/999aab7f5645
  - [6/6] docs: Downgrade arm64 & riscv from titles to comment
    https://git.kernel.org/riscv/c/ffc137c5c195

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



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