author: Ingo Molnar <mingo@kernel.org> 2021-08-17 16:16:29 +0200
committer: Ingo Molnar <mingo@kernel.org> 2021-08-17 16:16:29 +0200
commit: c87866ede44ad7da6b296d732221dc34ce1b154d
parent: 55bccf1f93e4bf1b3209cc8648ab53f10f4601a5
Commit Summary:
Diffstat:
38 files changed, 807 insertions, 398 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 82dd1b65b7a8..f247e691562d 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -90,8 +90,13 @@ clean := -f $(srctree)/scripts/Makefile.clean obj
echo-cmd = $(if $($(quiet)cmd_$(1)),\
echo ' $(call escsq,$($(quiet)cmd_$(1)))$(echo-why)';)
+# sink stdout for 'make -s'
+ redirect :=
+ quiet_redirect :=
+silent_redirect := exec >/dev/null;
+
# printing commands
-cmd = @set -e; $(echo-cmd) $(cmd_$(1))
+cmd = @set -e; $(echo-cmd) $($(quiet)redirect) $(cmd_$(1))
###
# if_changed - execute command if any prerequisite is newer than
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 949f723efe53..02197cb8e3a7 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -219,7 +219,6 @@ endif # CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT
ifdef CONFIG_STACK_VALIDATION
ifndef CONFIG_LTO_CLANG
-ifneq ($(SKIP_STACK_VALIDATION),1)
__objtool_obj := $(objtree)/tools/objtool/objtool
@@ -233,7 +232,6 @@ objtool_obj = $(if $(patsubst y%,, \
$(OBJECT_FILES_NON_STANDARD_$(basetarget).o)$(OBJECT_FILES_NON_STANDARD)n), \
$(__objtool_obj))
-endif # SKIP_STACK_VALIDATION
endif # CONFIG_LTO_CLANG
endif # CONFIG_STACK_VALIDATION
@@ -268,7 +266,8 @@ define rule_as_o_S
endef
# Built-in and composite module parts
-$(obj)/%.o: $(src)/%.c $(recordmcount_source) $(objtool_dep) FORCE
+.SECONDEXPANSION:
+$(obj)/%.o: $(src)/%.c $(recordmcount_source) $$(objtool_dep) FORCE
$(call if_changed_rule,cc_o_c)
$(call cmd,force_checksrc)
@@ -349,7 +348,7 @@ cmd_modversions_S = \
fi
endif
-$(obj)/%.o: $(src)/%.S $(objtool_dep) FORCE
+$(obj)/%.o: $(src)/%.S $$(objtool_dep) FORCE
$(call if_changed_rule,as_o_S)
targets += $(filter-out $(subdir-builtin), $(real-obj-y))
@@ -387,7 +386,7 @@ ifeq ($(CONFIG_LTO_CLANG) $(CONFIG_MODVERSIONS),y y)
cmd_update_lto_symversions = \
rm -f $@.symversions \
$(foreach n, $(filter-out FORCE,$^), \
- $(if $(wildcard $(n).symversions), \
+ $(if $(shell test -s $(n).symversions && echo y), \
; cat $(n).symversions >> $@.symversions))
else
cmd_update_lto_symversions = echo >/dev/null
diff --git a/scripts/Makefile.kasan b/scripts/Makefile.kasan
index 3d791908ed36..801c415bac59 100644
--- a/scripts/Makefile.kasan
+++ b/scripts/Makefile.kasan
@@ -50,6 +50,7 @@ endif
CFLAGS_KASAN := -fsanitize=kernel-hwaddress \
$(call cc-param,hwasan-instrument-stack=$(stack_enable)) \
$(call cc-param,hwasan-use-short-granules=0) \
+ $(call cc-param,hwasan-inline-all-checks=0) \
$(instrumentation_flags)
endif # CONFIG_KASAN_SW_TAGS
diff --git a/scripts/Makefile.modfinal b/scripts/Makefile.modfinal
index dd87cea9fba7..5e9b8057fb24 100644
--- a/scripts/Makefile.modfinal
+++ b/scripts/Makefile.modfinal
@@ -39,12 +39,10 @@ prelink-ext := .lto
# so let's now process the prelinked binary before we link the module.
ifdef CONFIG_STACK_VALIDATION
-ifneq ($(SKIP_STACK_VALIDATION),1)
cmd_ld_ko_o += \
$(objtree)/tools/objtool/objtool $(objtool_args) \
$(@:.ko=$(prelink-ext).o);
-endif # SKIP_STACK_VALIDATION
endif # CONFIG_STACK_VALIDATION
endif # CONFIG_LTO_CLANG
@@ -59,7 +57,7 @@ quiet_cmd_ld_ko_o = LD [M] $@
quiet_cmd_btf_ko = BTF [M] $@
cmd_btf_ko = \
if [ -f vmlinux ]; then \
- LLVM_OBJCOPY=$(OBJCOPY) $(PAHOLE) -J --btf_base vmlinux $@; \
+ LLVM_OBJCOPY="$(OBJCOPY)" $(PAHOLE) -J --btf_base vmlinux $@; \
else \
printf "Skipping BTF generation for %s due to unavailability of vmlinux\n" $@ 1>&2; \
fi;
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 23697a6b1eaa..461d4221e4a4 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1084,10 +1084,10 @@ sub is_maintained_obsolete {
sub is_SPDX_License_valid {
my ($license) = @_;
- return 1 if (!$tree || which("python") eq "" || !(-e "$root/scripts/spdxcheck.py") || !(-e "$gitroot"));
+ return 1 if (!$tree || which("python3") eq "" || !(-x "$root/scripts/spdxcheck.py") || !(-e "$gitroot"));
my $root_path = abs_path($root);
- my $status = `cd "$root_path"; echo "$license" | python scripts/spdxcheck.py -`;
+ my $status = `cd "$root_path"; echo "$license" | scripts/spdxcheck.py -`;
return 0 if ($status ne "");
return 1;
}
@@ -5361,9 +5361,13 @@ sub process {
}
}
-#goto labels aren't indented, allow a single space however
- if ($line=~/^.\s+[A-Za-z\d_]+:(?![0-9]+)/ and
- !($line=~/^. [A-Za-z\d_]+:/) and !($line=~/^.\s+default:/)) {
+# check that goto labels aren't indented (allow a single space indentation)
+# and ignore bitfield definitions like foo:1
+# Strictly, labels can have whitespace after the identifier and before the :
+# but this is not allowed here as many ?: uses would appear to be labels
+ if ($sline =~ /^.\s+[A-Za-z_][A-Za-z\d_]*:(?!\s*\d+)/ &&
+ $sline !~ /^. [A-Za-z\d_][A-Za-z\d_]*:/ &&
+ $sline !~ /^.\s+default:/) {
if (WARN("INDENTED_LABEL",
"labels should not be indented\n" . $herecurr) &&
$fix) {
@@ -5458,7 +5462,7 @@ sub process {
# Return of what appears to be an errno should normally be negative
if ($sline =~ /\breturn(?:\s*\(+\s*|\s+)(E[A-Z]+)(?:\s*\)+\s*|\s*)[;:,]/) {
my $name = $1;
- if ($name ne 'EOF' && $name ne 'ERROR') {
+ if ($name ne 'EOF' && $name ne 'ERROR' && $name !~ /^EPOLL/) {
WARN("USE_NEGATIVE_ERRNO",
"return of an errno should typically be negative (ie: return -$1)\n" . $herecurr);
}
diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh
index a18b47695f55..b7609958ee36 100755
--- a/scripts/checksyscalls.sh
+++ b/scripts/checksyscalls.sh
@@ -40,6 +40,10 @@ cat << EOF
#define __IGNORE_setrlimit /* setrlimit */
#endif
+#ifndef __ARCH_WANT_MEMFD_SECRET
+#define __IGNORE_memfd_secret
+#endif
+
/* Missing flags argument */
#define __IGNORE_renameat /* renameat2 */
diff --git a/scripts/checkversion.pl b/scripts/checkversion.pl
index f67b125c5269..94cd49eff605 100755
--- a/scripts/checkversion.pl
+++ b/scripts/checkversion.pl
@@ -1,10 +1,10 @@
#! /usr/bin/env perl
# SPDX-License-Identifier: GPL-2.0
#
-# checkversion find uses of LINUX_VERSION_CODE or KERNEL_VERSION
-# without including <linux/version.h>, or cases of
-# including <linux/version.h> that don't need it.
-# Copyright (C) 2003, Randy Dunlap <rdunlap@xenotime.net>
+# checkversion finds uses of all macros in <linux/version.h>
+# where the source files do not #include <linux/version.h>; or cases
+# of including <linux/version.h> where it is not needed.
+# Copyright (C) 2003, Randy Dunlap <rdunlap@infradead.org>
use strict;
@@ -13,7 +13,8 @@ $| = 1;
my $debugging;
foreach my $file (@ARGV) {
- next if $file =~ "include/linux/version\.h";
+ next if $file =~ "include/generated/uapi/linux/version\.h";
+ next if $file =~ "usr/include/linux/version\.h";
# Open this file.
open( my $f, '<', $file )
or die "Can't open $file: $!\n";
@@ -41,8 +42,11 @@ foreach my $file (@ARGV) {
$iLinuxVersion = $. if m/^\s*#\s*include\s*<linux\/version\.h>/o;
}
- # Look for uses: LINUX_VERSION_CODE, KERNEL_VERSION, UTS_RELEASE
- if (($_ =~ /LINUX_VERSION_CODE/) || ($_ =~ /\WKERNEL_VERSION/)) {
+ # Look for uses: LINUX_VERSION_CODE, KERNEL_VERSION,
+ # LINUX_VERSION_MAJOR, LINUX_VERSION_PATCHLEVEL, LINUX_VERSION_SUBLEVEL
+ if (($_ =~ /LINUX_VERSION_CODE/) || ($_ =~ /\WKERNEL_VERSION/) ||
+ ($_ =~ /LINUX_VERSION_MAJOR/) || ($_ =~ /LINUX_VERSION_PATCHLEVEL/) ||
+ ($_ =~ /LINUX_VERSION_SUBLEVEL/)) {
$fUseVersion = 1;
last if $iLinuxVersion;
}
diff --git a/scripts/coccicheck b/scripts/coccicheck
index 65fee63aeadb..caba0bff6da7 100755
--- a/scripts/coccicheck
+++ b/scripts/coccicheck
@@ -87,7 +87,7 @@ else
fi
# Use only one thread per core by default if hyperthreading is enabled
- THREADS_PER_CORE=$(lscpu | grep "Thread(s) per core: " | tr -cd "[:digit:]")
+ THREADS_PER_CORE=$(LANG=C lscpu | grep "Thread(s) per core: " | tr -cd "[:digit:]")
if [ -z "$J" ]; then
NPROC=$(getconf _NPROCESSORS_ONLN)
if [ $THREADS_PER_CORE -gt 1 -a $NPROC -gt 4 ] ; then
diff --git a/scripts/coccinelle/api/kobj_to_dev.cocci b/scripts/coccinelle/api/kobj_to_dev.cocci
deleted file mode 100644
index cd5d31c6fe76..000000000000
--- a/scripts/coccinelle/api/kobj_to_dev.cocci
+++ /dev/null
@@ -1,45 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-///
-/// Use kobj_to_dev() instead of container_of()
-///
-// Confidence: High
-// Copyright: (C) 2020 Denis Efremov ISPRAS
-// Options: --no-includes --include-headers
-//
-// Keywords: kobj_to_dev, container_of
-//
-
-virtual context
-virtual report
-virtual org
-virtual patch
-
-
-@r depends on !patch@
-expression ptr;
-symbol kobj;
-position p;
-@@
-
-* container_of(ptr, struct device, kobj)@p
-
-
-@depends on patch@
-expression ptr;
-@@
-
-- container_of(ptr, struct device, kobj)
-+ kobj_to_dev(ptr)
-
-
-@script:python depends on report@
-p << r.p;
-@@
-
-coccilib.report.print_report(p[0], "WARNING opportunity for kobj_to_dev()")
-
-@script:python depends on org@
-p << r.p;
-@@
-
-coccilib.org.print_todo(p[0], "WARNING opportunity for kobj_to_dev()")
diff --git a/scripts/coccinelle/free/kfree.cocci b/scripts/coccinelle/free/kfree.cocci
index 168568386034..9b6e2037c2a9 100644
--- a/scripts/coccinelle/free/kfree.cocci
+++ b/scripts/coccinelle/free/kfree.cocci
@@ -22,9 +22,9 @@ position p1;
@@
(
-* kfree@p1(E)
+ kfree@p1(E)
|
-* kfree_sensitive@p1(E)
+ kfree_sensitive@p1(E)
)
@print expression@
@@ -66,9 +66,9 @@ position ok;
while (1) { ...
(
-* kfree@ok(E)
+ kfree@ok(E)
|
-* kfree_sensitive@ok(E)
+ kfree_sensitive@ok(E)
)
... when != break;
when != goto l;
@@ -84,9 +84,9 @@ position free.p1!=loop.ok,p2!={print.p,sz.p};
@@
(
-* kfree@p1(E,...)
+ kfree@p1(E,...)
|
-* kfree_sensitive@p1(E,...)
+ kfree_sensitive@p1(E,...)
)
...
(
diff --git a/scripts/coccinelle/misc/flexible_array.cocci b/scripts/coccinelle/misc/flexible_array.cocci
index 947fbaff82a9..f427fd68ed2d 100644
--- a/scripts/coccinelle/misc/flexible_array.cocci
+++ b/scripts/coccinelle/misc/flexible_array.cocci
@@ -51,21 +51,40 @@ position p : script:python() { relevant(p) };
};
)
+@only_field depends on patch@
+identifier name, array;
+type T;
+position q;
+@@
+
+(
+ struct name {@q
+ T array[0];
+ };
+|
+ struct {@q
+ T array[0];
+ };
+)
+
@depends on patch@
identifier name, array;
type T;
position p : script:python() { relevant(p) };
+// position @q with rule "only_field" simplifies
+// handling of bitfields, arrays, etc.
+position q != only_field.q;
@@
(
- struct name {
+ struct name {@q
...
T array@p[
- 0
];
};
|
- struct {
+ struct {@q
...
T array@p[
- 0
diff --git a/scripts/coccinelle/misc/irqf_oneshot.cocci b/scripts/coccinelle/misc/irqf_oneshot.cocci
index 7b48287b3dc1..9b6f404d07f2 100644
--- a/scripts/coccinelle/misc/irqf_oneshot.cocci
+++ b/scripts/coccinelle/misc/irqf_oneshot.cocci
@@ -103,11 +103,11 @@ devm_request_threaded_irq@p(dev, irq, NULL, ...)
@script:python depends on org@
p << match.p;
@@
-msg = "ERROR: Threaded IRQ with no primary handler requested without IRQF_ONESHOT"
+msg = "WARNING: Threaded IRQ with no primary handler requested without IRQF_ONESHOT (unless it is nested IRQ)"
coccilib.org.print_todo(p[0],msg)
@script:python depends on report@
p << match.p;
@@
-msg = "ERROR: Threaded IRQ with no primary handler requested without IRQF_ONESHOT"
+msg = "WARNING: Threaded IRQ with no primary handler requested without IRQF_ONESHOT (unless it is nested IRQ)"
coccilib.report.print_report(p[0],msg)
diff --git a/scripts/coccinelle/misc/minmax.cocci b/scripts/coccinelle/misc/minmax.cocci
new file mode 100644
index 000000000000..fcf908b34f27
--- /dev/null
+++ b/scripts/coccinelle/misc/minmax.cocci
@@ -0,0 +1,222 @@
+// SPDX-License-Identifier: GPL-2.0-only
+///
+/// Check for opencoded min(), max() implementations.
+/// Generated patches sometimes require adding a cast to fix compile warning.
+/// Warnings/patches scope intentionally limited to a function body.
+///
+// Confidence: Medium
+// Copyright: (C) 2021 Denis Efremov ISPRAS
+// Options: --no-includes --include-headers
+//
+// Keywords: min, max
+//
+
+
+virtual report
+virtual org
+virtual context
+virtual patch
+
+@rmax depends on !patch@
+identifier func;
+expression x, y;
+binary operator cmp = {>, >=};
+position p;
+@@
+
+func(...)
+{
+ <...
+* ((x) cmp@p (y) ? (x) : (y))
+ ...>
+}
+
+@rmaxif depends on !patch@
+identifier func;
+expression x, y;
+expression max_val;
+binary operator cmp = {>, >=};
+position p;
+@@
+
+func(...)
+{
+ <...
+* if ((x) cmp@p (y)) {
+* max_val = (x);
+* } else {
+* max_val = (y);
+* }
+ ...>
+}
+
+@rmin depends on !patch@
+identifier func;
+expression x, y;
+binary operator cmp = {<, <=};
+position p;
+@@
+
+func(...)
+{
+ <...
+* ((x) cmp@p (y) ? (x) : (y))
+ ...>
+}
+
+@rminif depends on !patch@
+identifier func;
+expression x, y;
+expression min_val;
+binary operator cmp = {<, <=};
+position p;
+@@
+
+func(...)
+{
+ <...
+* if ((x) cmp@p (y)) {
+* min_val = (x);
+* } else {
+* min_val = (y);
+* }
+ ...>
+}
+
+@pmax depends on patch@
+identifier func;
+expression x, y;
+binary operator cmp = {>=, >};
+@@
+
+func(...)
+{
+ <...
+- ((x) cmp (y) ? (x) : (y))
++ max(x, y)
+ ...>
+}
+
+@pmaxif depends on patch@
+identifier func;
+expression x, y;
+expression max_val;
+binary operator cmp = {>=, >};
+@@
+
+func(...)
+{
+ <...
+- if ((x) cmp (y)) {
+- max_val = x;
+- } else {
+- max_val = y;
+- }
++ max_val = max(x, y);
+ ...>
+}
+
+// Don't generate patches for errcode returns.
+@errcode depends on patch@
+position p;
+identifier func;
+expression x;
+binary operator cmp = {<, <=};
+@@
+
+func(...)
+{
+ <...
+ return ((x) cmp@p 0 ? (x) : 0);
+ ...>
+}
+
+@pmin depends on patch@
+identifier func;
+expression x, y;
+binary operator cmp = {<=, <};
+position p != errcode.p;
+@@
+
+func(...)
+{
+ <...
+- ((x) cmp@p (y) ? (x) : (y))
++ min(x, y)
+ ...>
+}
+
+@pminif depends on patch@
+identifier func;
+expression x, y;
+expression min_val;
+binary operator cmp = {<=, <};
+@@
+
+func(...)
+{
+ <...
+- if ((x) cmp (y)) {
+- min_val = x;
+- } else {
+- min_val = y;
+- }
++ min_val = min(x, y);
+ ...>
+}
+
+@script:python depends on report@
+p << rmax.p;
+@@
+
+for p0 in p:
+ coccilib.report.print_report(p0, "WARNING opportunity for max()")
+
+@script:python depends on org@
+p << rmax.p;
+@@
+
+for p0 in p:
+ coccilib.org.print_todo(p0, "WARNING opportunity for max()")
+
+@script:python depends on report@
+p << rmaxif.p;
+@@
+
+for p0 in p:
+ coccilib.report.print_report(p0, "WARNING opportunity for max()")
+
+@script:python depends on org@
+p << rmaxif.p;
+@@
+
+for p0 in p:
+ coccilib.org.print_todo(p0, "WARNING opportunity for max()")
+
+@script:python depends on report@
+p << rmin.p;
+@@
+
+for p0 in p:
+ coccilib.report.print_report(p0, "WARNING opportunity for min()")
+
+@script:python depends on org@
+p << rmin.p;
+@@
+
+for p0 in p:
+ coccilib.org.print_todo(p0, "WARNING opportunity for min()")
+
+@script:python depends on report@
+p << rminif.p;
+@@
+
+for p0 in p:
+ coccilib.report.print_report(p0, "WARNING opportunity for min()")
+
+@script:python depends on org@
+p << rminif.p;
+@@
+
+for p0 in p:
+ coccilib.org.print_todo(p0, "WARNING opportunity for min()")
diff --git a/scripts/coccinelle/misc/swap.cocci b/scripts/coccinelle/misc/swap.cocci
new file mode 100644
index 000000000000..c5e71b7ef7f5
--- /dev/null
+++ b/scripts/coccinelle/misc/swap.cocci
@@ -0,0 +1,122 @@
+// SPDX-License-Identifier: GPL-2.0-only
+///
+/// Check for opencoded swap() implementation.
+///
+// Confidence: High
+// Copyright: (C) 2021 Denis Efremov ISPRAS
+// Options: --no-includes --include-headers
+//
+// Keywords: swap
+//
+
+virtual patch
+virtual org
+virtual report
+virtual context
+
+@rvar depends on !patch@
+identifier tmp;
+expression a, b;
+type T;
+position p;
+@@
+
+(
+* T tmp;
+|
+* T tmp = 0;
+|
+* T *tmp = NULL;
+)
+... when != tmp
+* tmp = a;
+* a = b;@p
+* b = tmp;
+... when != tmp
+
+@r depends on !patch@
+identifier tmp;
+expression a, b;
+position p != rvar.p;
+@@
+
+* tmp = a;
+* a = b;@p
+* b = tmp;
+
+@rpvar depends on patch@
+identifier tmp;
+expression a, b;
+type T;
+@@
+
+(
+- T tmp;
+|
+- T tmp = 0;
+|
+- T *tmp = NULL;
+)
+... when != tmp
+- tmp = a;
+- a = b;
+- b = tmp
++ swap(a, b)
+ ;
+... when != tmp
+
+@rp depends on patch@
+identifier tmp;
+expression a, b;
+@@
+
+- tmp = a;
+- a = b;
+- b = tmp
++ swap(a, b)
+ ;
+
+@depends on patch && (rpvar || rp)@
+@@
+
+(
+ for (...;...;...)
+- {
+ swap(...);
+- }
+|
+ while (...)
+- {
+ swap(...);
+- }
+|
+ if (...)
+- {
+ swap(...);
+- }
+)
+
+
+@script:python depends on report@
+p << r.p;
+@@
+
+coccilib.report.print_report(p[0], "WARNING opportunity for swap()")
+
+@script:python depends on org@
+p << r.p;
+@@
+
+coccilib.org.print_todo(p[0], "WARNING opportunity for swap()")
+
+@script:python depends on report@
+p << rvar.p;
+@@
+
+coccilib.report.print_report(p[0], "WARNING opportunity for swap()")
+
+@script:python depends on org@
+p << rvar.p;
+@@
+
+coccilib.org.print_todo(p[0], "WARNING opportunity for swap()")
diff --git a/scripts/coccinelle/misc/uninitialized_var.cocci b/scripts/coccinelle/misc/uninitialized_var.cocci
index 8fa845cefe11..69bbaae47e73 100644
--- a/scripts/coccinelle/misc/uninitialized_var.cocci
+++ b/scripts/coccinelle/misc/uninitialized_var.cocci
@@ -1,7 +1,9 @@
// SPDX-License-Identifier: GPL-2.0-only
///
/// Please, don't reintroduce uninitialized_var().
-/// From Documentation/process/deprecated.rst:
+///
+/// From Documentation/process/deprecated.rst,
+/// commit 4b19bec97c88 ("docs: deprecated.rst: Add uninitialized_var()"):
/// For any compiler warnings about uninitialized variables, just add
/// an initializer. Using warning-silencing tricks is dangerous as it
/// papers over real bugs (or can in the future), and suppresses unrelated
@@ -11,6 +13,11 @@
/// obviously redundant, the compiler's dead-store elimination pass will make
/// sure there are no needless variable writes.
///
+/// Later, commit 3942ea7a10c9 ("deprecated.rst: Remove now removed
+/// uninitialized_var") removed this section because all initializations of
+/// this kind were cleaned-up from the kernel. This cocci rule checks that
+/// the macro is not explicitly or implicitly reintroduced.
+///
// Confidence: High
// Copyright: (C) 2020 Denis Efremov ISPRAS
// Options: --no-includes --include-headers
@@ -40,12 +47,10 @@ position p;
p << r.p;
@@
-coccilib.report.print_report(p[0],
- "WARNING this kind of initialization is deprecated (https://www.kernel.org/doc/html/latest/process/deprecated.html#uninitialized-var)")
+coccilib.report.print_report(p[0], "WARNING this kind of initialization is deprecated")
@script:python depends on org@
p << r.p;
@@
-coccilib.org.print_todo(p[0],
- "WARNING this kind of initialization is deprecated (https://www.kernel.org/doc/html/latest/process/deprecated.html#uninitialized-var)")
+coccilib.org.print_todo(p[0], "WARNING this kind of initialization is deprecated")
diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh
index 90398347e366..5fbad61fe490 100755
--- a/scripts/decode_stacktrace.sh
+++ b/scripts/decode_stacktrace.sh
@@ -3,11 +3,10 @@
# (c) 2014, Sasha Levin <sasha.levin@oracle.com>
#set -x
-if [[ $# < 1 ]]; then
+usage() {
echo "Usage:"
- echo " $0 -r <release> | <vmlinux> [base path] [modules path]"
- exit 1
-fi
+ echo " $0 -r <release> | <vmlinux> [<base path>|auto] [<modules path>]"
+}
if [[ $1 == "-r" ]] ; then
vmlinux=""
@@ -24,6 +23,7 @@ if [[ $1 == "-r" ]] ; then
if [[ $vmlinux == "" ]] ; then
echo "ERROR! vmlinux image for release $release is not found" >&2
+ usage
exit 2
fi
else
@@ -31,12 +31,35 @@ else
basepath=${2-auto}
modpath=$3
release=""
+ debuginfod=
+
+ # Can we use debuginfod-find?
+ if type debuginfod-find >/dev/null 2>&1 ; then
+ debuginfod=${1-only}
+ fi
+
+ if [[ $vmlinux == "" && -z $debuginfod ]] ; then
+ echo "ERROR! vmlinux image must be specified" >&2
+ usage
+ exit 1
+ fi
fi
declare -A cache
declare -A modcache
find_module() {
+ if [[ -n $debuginfod ]] ; then
+ if [[ -n $modbuildid ]] ; then
+ debuginfod-find debuginfo $modbuildid && return
+ fi
+
+ # Only using debuginfod so don't try to find vmlinux module path
+ if [[ $debuginfod == "only" ]] ; then
+ return
+ fi
+ fi
+
if [[ "$modpath" != "" ]] ; then
for fn in $(find "$modpath" -name "${module//_/[-_]}.ko*") ; do
if readelf -WS "$fn" | grep -qwF .debug_line ; then
@@ -51,7 +74,7 @@ find_module() {
find_module && return
if [[ $release == "" ]] ; then
- release=$(gdb -ex 'print init_uts_ns.name.release' -ex 'quit' -quiet -batch "$vmlinux" | sed -n 's/\$1 = "\(.*\)".*/\1/p')
+ release=$(gdb -ex 'print init_uts_ns.name.release' -ex 'quit' -quiet -batch "$vmlinux" 2>/dev/null | sed -n 's/\$1 = "\(.*\)".*/\1/p')
fi
for dn in {/usr/lib/debug,}/lib/modules/$release ; do
@@ -105,7 +128,7 @@ parse_symbol() {
if [[ "${cache[$module,$name]+isset}" == "isset" ]]; then
local base_addr=${cache[$module,$name]}
else
- local base_addr=$(nm "$objfile" | awk '$3 == "'$name'" && ($2 == "t" || $2 == "T") {print $1; exit}')
+ local base_addr=$(nm "$objfile" 2>/dev/null | awk '$3 == "'$name'" && ($2 == "t" || $2 == "T") {print $1; exit}')
if [[ $base_addr == "" ]] ; then
# address not found
return
@@ -129,7 +152,7 @@ parse_symbol() {
if [[ "${cache[$module,$address]+isset}" == "isset" ]]; then
local code=${cache[$module,$address]}
else
- local code=$(${CROSS_COMPILE}addr2line -i -e "$objfile" "$address")
+ local code=$(${CROSS_COMPILE}addr2line -i -e "$objfile" "$address" 2>/dev/null)
cache[$module,$address]=$code
fi
@@ -150,6 +173,27 @@ parse_symbol() {
symbol="$segment$name ($code)"
}
+debuginfod_get_vmlinux() {
+ local vmlinux_buildid=${1##* }
+
+ if [[ $vmlinux != "" ]]; then
+ return
+ fi
+
+ if [[ $vmlinux_buildid =~ ^[0-9a-f]+ ]]; then
+ vmlinux=$(debuginfod-find debuginfo $vmlinux_buildid)
+ if [[ $? -ne 0 ]] ; then
+ echo "ERROR! vmlinux image not found via debuginfod-find" >&2
+ usage
+ exit 2
+ fi
+ return
+ fi
+ echo "ERROR! Build ID for vmlinux not found. Try passing -r or specifying vmlinux" >&2
+ usage
+ exit 2
+}
+
decode_code() {
local scripts=`dirname "${BASH_SOURCE[0]}"`
@@ -157,6 +201,14 @@ decode_code() {
}
handle_line() {
+ if [[ $basepath == "auto" && $vmlinux != "" ]] ; then
+ module=""
+ symbol="kernel_init+0x0/0x0"
+ parse_symbol
+ basepath=${symbol#kernel_init (}
+ basepath=${basepath%/init/main.c:*)}
+ fi
+
local words
# Tokenize
@@ -182,16 +234,28 @@ handle_line() {
fi
done
+ if [[ ${words[$last]} =~ ^[0-9a-f]+\] ]]; then
+ words[$last-1]="${words[$last-1]} ${words[$last]}"
+ unset words[$last]
+ last=$(( $last - 1 ))
+ fi
+
if [[ ${words[$last]} =~ \[([^]]+)\] ]]; then
module=${words[$last]}
module=${module#\[}
module=${module%\]}
+ modbuildid=${module#* }
+ module=${module% *}
+ if [[ $modbuildid == $module ]]; then
+ modbuildid=
+ fi
symbol=${words[$last-1]}
unset words[$last-1]
else
# The symbol is the last element, process it
symbol=${words[$last]}
module=
+ modbuildid=
fi
unset words[$last]
@@ -201,14 +265,6 @@ handle_line() {
echo "${words[@]}" "$symbol $module"
}
-if [[ $basepath == "auto" ]] ; then
- module=""
- symbol="kernel_init+0x0/0x0"
- parse_symbol
- basepath=${symbol#kernel_init (}
- basepath=${basepath%/init/main.c:*)}
-fi
-
while read line; do
# Let's see if we have an address in the line
if [[ $line =~ \[\<([^]]+)\>\] ]] ||
@@ -218,6 +274,9 @@ while read line; do
# Is it a code line?
elif [[ $line == *Code:* ]]; then
decode_code "$line"
+ # Is it a version line?
+ elif [[ -n $debuginfod && $line =~ PID:\ [0-9]+\ Comm: ]]; then
+ debuginfod_get_vmlinux "$line"
else
# Nothing special in this line, show it as is
echo "$line"
diff --git a/scripts/documentation-file-ref-check b/scripts/documentation-file-ref-check
index c71832b2312b..7187ea5e5149 100755
--- a/scripts/documentation-file-ref-check
+++ b/scripts/documentation-file-ref-check
@@ -24,7 +24,7 @@ my $help = 0;
my $fix = 0;
my $warn = 0;
-if (! -d ".git") {
+if (! -e ".git") {
printf "Warning: can't check if file exists, as this is not a git tree\n";
exit 0;
}
diff --git a/scripts/dummy-tools/gcc b/scripts/dummy-tools/gcc
index f6d543725f1e..b2483149bbe5 100755
--- a/scripts/dummy-tools/gcc
+++ b/scripts/dummy-tools/gcc
@@ -76,7 +76,11 @@ fi
if arg_contain -S "$@"; then
# For scripts/gcc-x86-*-has-stack-protector.sh
if arg_contain -fstack-protector "$@"; then
- echo "%gs"
+ if arg_contain -mstack-protector-guard-reg=fs "$@"; then
+ echo "%fs"
+ else
+ echo "%gs"
+ fi
exit 0
fi
diff --git a/scripts/jobserver-exec b/scripts/jobserver-exec
index 48d141e3ec56..8762887a970c 100755
--- a/scripts/jobserver-exec
+++ b/scripts/jobserver-exec
@@ -10,7 +10,7 @@ from __future__ import print_function
import os, sys, errno
import subprocess
-# Extract and prepare jobserver file descriptors from envirnoment.
+# Extract and prepare jobserver file descriptors from environment.
claim = 0
jobs = b""
try:
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index bfa1ea8f5f98..5d84b44a2a2a 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -678,7 +678,7 @@ static void check_conf(struct menu *menu)
check_conf(child);
}
-static struct option long_opts[] = {
+static const struct option long_opts[] = {
{"help", no_argument, NULL, 'h'},
{"silent", no_argument, NULL, 's'},
{"oldaskconfig", no_argument, &input_mode_opt, oldaskconfig},
diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index 911c72a2dbc4..1a5fea0519eb 100755
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -601,12 +601,12 @@ if (defined($ENV{'LMC_KEEP'})) {
sub in_preserved_kconfigs {
my $kconfig = $config2kfile{$_[0]};
if (!defined($kconfig)) {
- return 0;
+ return 0;
}
foreach my $excl (@preserved_kconfigs) {
- if($kconfig =~ /^$excl/) {
- return 1;
- }
+ if($kconfig =~ /^$excl/) {
+ return 1;
+ }
}
return 0;
}
@@ -629,52 +629,52 @@ foreach my $line (@config_file) {
}
if (/CONFIG_MODULE_SIG_KEY="(.+)"/) {
- my $orig_cert = $1;
- my $default_cert = "certs/signing_key.pem";
-
- # Check that the logic in this script still matches the one in Kconfig
- if (!defined($depends{"MODULE_SIG_KEY"}) ||
- $depends{"MODULE_SIG_KEY"} !~ /"\Q$default_cert\E"/) {
- print STDERR "WARNING: MODULE_SIG_KEY assertion failure, ",
- "update needed to ", __FILE__, " line ", __LINE__, "\n";
- print;
- } elsif ($orig_cert ne $default_cert && ! -f $orig_cert) {
- print STDERR "Module signature verification enabled but ",
- "module signing key \"$orig_cert\" not found. Resetting ",
- "signing key to default value.\n";
- print "CONFIG_MODULE_SIG_KEY=\"$default_cert\"\n";
- } else {
- print;
- }
- next;
+ my $orig_cert = $1;
+ my $default_cert = "certs/signing_key.pem";
+
+ # Check that the logic in this script still matches the one in Kconfig
+ if (!defined($depends{"MODULE_SIG_KEY"}) ||
+ $depends{"MODULE_SIG_KEY"} !~ /"\Q$default_cert\E"/) {
+ print STDERR "WARNING: MODULE_SIG_KEY assertion failure, ",
+ "update needed to ", __FILE__, " line ", __LINE__, "\n";
+ print;
+ } elsif ($orig_cert ne $default_cert && ! -f $orig_cert) {
+ print STDERR "Module signature verification enabled but ",
+ "module signing key \"$orig_cert\" not found. Resetting ",
+ "signing key to default value.\n";
+ print "CONFIG_MODULE_SIG_KEY=\"$default_cert\"\n";
+ } else {
+ print;
+ }
+ next;
}
if (/CONFIG_SYSTEM_TRUSTED_KEYS="(.+)"/) {
- my $orig_keys = $1;
-
- if (! -f $orig_keys) {
- print STDERR "System keyring enabled but keys \"$orig_keys\" ",
- "not found. Resetting keys to default value.\n";
- print "CONFIG_SYSTEM_TRUSTED_KEYS=\"\"\n";
- } else {
- print;
- }
- next;
+ my $orig_keys = $1;
+
+ if (! -f $orig_keys) {
+ print STDERR "System keyring enabled but keys \"$orig_keys\" ",
+ "not found. Resetting keys to default value.\n";
+ print "CONFIG_SYSTEM_TRUSTED_KEYS=\"\"\n";
+ } else {
+ print;
+ }
+ next;
}
if (/^(CONFIG.*)=(m|y)/) {
- if (in_preserved_kconfigs($1)) {
- dprint "Preserve config $1";
- print;
- next;
- }
+ if (in_preserved_kconfigs($1)) {
+ dprint "Preserve config $1";
+ print;
+ next;
+ }
if (defined($configs{$1})) {
if ($localyesconfig) {
- $setconfigs{$1} = 'y';
+ $setconfigs{$1} = 'y';
print "$1=y\n";
next;
} else {
- $setconfigs{$1} = $2;
+ $setconfigs{$1} = $2;
}
} elsif ($2 eq "m") {
print "# $1 is not set\n";
@@ -702,3 +702,5 @@ foreach my $module (keys(%modules)) {
print STDERR "\n";
}
}
+
+# vim: softtabstop=4
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 4840e748fca8..7c4a6a507ac4 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -406,6 +406,8 @@ my $doc_inline_sect = '\s*\*\s*(@\s*[\w][\w\.]*\s*):(.*)';
my $doc_inline_end = '^\s*\*/\s*$';
my $doc_inline_oneline = '^\s*/\*\*\s*(@[\w\s]+):\s*(.*)\s*\*/\s*$';
my $export_symbol = '^\s*EXPORT_SYMBOL(_GPL)?\s*\(\s*(\w+)\s*\)\s*;';
+my $function_pointer = qr{([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)};
+my $attribute = qr{__attribute__\s*\(\([a-z0-9,_\*\s\(\)]*\)\)}i;
my %parameterdescs;
my %parameterdesc_start_lines;
@@ -694,7 +696,7 @@ sub output_function_man(%) {
$post = ");";
}
$type = $args{'parametertypes'}{$parameter};
- if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) {
+ if ($type =~ m/$function_pointer/) {
# pointer-to-function
print ".BI \"" . $parenth . $1 . "\" " . " \") (" . $2 . ")" . $post . "\"\n";
} else {
@@ -974,7 +976,7 @@ sub output_function_rst(%) {
$count++;
$type = $args{'parametertypes'}{$parameter};
- if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) {
+ if ($type =~ m/$function_pointer/) {
# pointer-to-function
print $1 . $parameter . ") (" . $2 . ")";
} else {
@@ -1211,7 +1213,9 @@ sub dump_struct($$) {
my $members;
my $type = qr{struct|union};
# For capturing struct/union definition body, i.e. "{members*}qualifiers*"
- my $definition_body = qr{\{(.*)\}(?:\s*(?:__packed|__aligned|____cacheline_aligned_in_smp|____cacheline_aligned|__attribute__\s*\(\([a-z0-9,_\s\(\)]*\)\)))*};
+ my $qualifiers = qr{$attribute|__packed|__aligned|____cacheline_aligned_in_smp|____cacheline_aligned};
+ my $definition_body = qr{\{(.*)\}\s*$qualifiers*};
+ my $struct_members = qr{($type)([^\{\};]+)\{([^\{\}]*)\}([^\{\}\;]*)\;};
if ($x =~ /($type)\s+(\w+)\s*$definition_body/) {
$decl_type = $1;
@@ -1235,27 +1239,27 @@ sub dump_struct($$) {
# strip comments:
$members =~ s/\/\*.*?\*\///gos;
# strip attributes
- $members =~ s/\s*__attribute__\s*\(\([a-z0-9,_\*\s\(\)]*\)\)/ /gi;
+ $members =~ s/\s*$attribute/ /gi;
$members =~ s/\s*__aligned\s*\([^;]*\)/ /gos;
$members =~ s/\s*__packed\s*/ /gos;
$members =~ s/\s*CRYPTO_MINALIGN_ATTR/ /gos;
$members =~ s/\s*____cacheline_aligned_in_smp/ /gos;
$members =~ s/\s*____cacheline_aligned/ /gos;
+ my $args = qr{([^,)]+)};
# replace DECLARE_BITMAP
$members =~ s/__ETHTOOL_DECLARE_LINK_MODE_MASK\s*\(([^\)]+)\)/DECLARE_BITMAP($1, __ETHTOOL_LINK_MODE_MASK_NBITS)/gos;
- $members =~ s/DECLARE_BITMAP\s*\(([^,)]+),\s*([^,)]+)\)/unsigned long $1\[BITS_TO_LONGS($2)\]/gos;
+ $members =~ s/DECLARE_BITMAP\s*\($args,\s*$args\)/unsigned long $1\[BITS_TO_LONGS($2)\]/gos;
# replace DECLARE_HASHTABLE
- $members =~ s/DECLARE_HASHTABLE\s*\(([^,)]+),\s*([^,)]+)\)/unsigned long $1\[1 << (($2) - 1)\]/gos;
+ $members =~ s/DECLARE_HASHTABLE\s*\($args,\s*$args\)/unsigned long $1\[1 << (($2) - 1)\]/gos;
# replace DECLARE_KFIFO
- $members =~ s/DECLARE_KFIFO\s*\(([^,)]+),\s*([^,)]+),\s*([^,)]+)\)/$2 \*$1/gos;
+ $members =~ s/DECLARE_KFIFO\s*\($args,\s*$args,\s*$args\)/$2 \*$1/gos;
# replace DECLARE_KFIFO_PTR
- $members =~ s/DECLARE_KFIFO_PTR\s*\(([^,)]+),\s*([^,)]+)\)/$2 \*$1/gos;
-
+ $members =~ s/DECLARE_KFIFO_PTR\s*\($args,\s*$args\)/$2 \*$1/gos;
my $declaration = $members;
# Split nested struct/union elements as newer ones
- while ($members =~ m/(struct|union)([^\{\};]+)\{([^\{\}]*)\}([^\{\}\;]*)\;/) {
+ while ($members =~ m/$struct_members/) {
my $newmember;
my $maintype = $1;
my $ids = $4;
@@ -1315,7 +1319,7 @@ sub dump_struct($$) {
}
}
}
- $members =~ s/(struct|union)([^\{\};]+)\{([^\{\}]*)\}([^\{\}\;]*)\;/$newmember/;
+ $members =~ s/$struct_members/$newmember/;
}
# Ignore other nested elements, like enums
@@ -1555,8 +1559,9 @@ sub create_parameterlist($$$$) {
my $param;
# temporarily replace commas inside function pointer definition
- while ($args =~ /(\([^\),]+),/) {
- $args =~ s/(\([^\),]+),/$1#/g;
+ my $arg_expr = qr{\([^\),]+};
+ while ($args =~ /$arg_expr,/) {
+ $args =~ s/($arg_expr),/$1#/g;
}
foreach my $arg (split($splitter, $args)) {
@@ -1707,7 +1712,7 @@ sub check_sections($$$$$) {
foreach $px (0 .. $#prms) {
$prm_clean = $prms[$px];
$prm_clean =~ s/\[.*\]//;
- $prm_clean =~ s/__attribute__\s*\(\([a-z,_\*\s\(\)]*\)\)//i;
+ $prm_clean =~ s/$attribute//i;
# ignore array size in a parameter string;
# however, the original param string may contain
# spaces, e.g.: addr[6 + 2]
@@ -1809,8 +1814,14 @@ sub dump_function($$) {
# - parport_register_device (function pointer parameters)
# - atomic_set (macro)
# - pci_match_device, __copy_to_user (long return type)
-
- if ($define && $prototype =~ m/^()([a-zA-Z0-9_~:]+)\s+/) {
+ my $name = qr{[a-zA-Z0-9_~:]+};
+ my $prototype_end1 = qr{[^\(]*};
+ my $prototype_end2 = qr{[^\{]*};
+ my $prototype_end = qr{\(($prototype_end1|$prototype_end2)\)};
+ my $type1 = qr{[\w\s]+};
+ my $type2 = qr{$type1\*+};
+
+ if ($define && $prototype =~ m/^()($name)\s+/) {
# This is an object-like macro, it has no return type and no parameter
# list.
# Function-like macros are not allowed to have spaces between
@@ -1818,23 +1829,9 @@ sub dump_function($$) {
$return_type = $1;
$declaration_name = $2;
$noret = 1;
- } elsif ($prototype =~ m/^()([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
- $prototype =~ m/^(\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
- $prototype =~ m/^(\w+\s*\*+)\s*([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
- $prototype =~ m/^(\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
- $prototype =~ m/^(\w+\s+\w+\s*\*+)\s*([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
- $prototype =~ m/^(\w+\s+\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
- $prototype =~ m/^(\w+\s+\w+\s+\w+\s*\*+)\s*([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
- $prototype =~ m/^()([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
- $prototype =~ m/^(\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
- $prototype =~ m/^(\w+\s*\*+)\s*([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
- $prototype =~ m/^(\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
- $prototype =~ m/^(\w+\s+\w+\s*\*+)\s*([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
- $prototype =~ m/^(\w+\s+\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
- $prototype =~ m/^(\w+\s+\w+\s+\w+\s*\*+)\s*([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
- $prototype =~ m/^(\w+\s+\w+\s+\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
- $prototype =~ m/^(\w+\s+\w+\s+\w+\s+\w+\s*\*+)\s*([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
- $prototype =~ m/^(\w+\s+\w+\s*\*+\s*\w+\s*\*+\s*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/) {
+ } elsif ($prototype =~ m/^()($name)\s*$prototype_end/ ||
+ $prototype =~ m/^($type1)\s+($name)\s*$prototype_end/ ||
+ $prototype =~ m/^($type2+)\s*($name)\s*$prototype_end/) {
$return_type = $1;
$declaration_name = $2;
my $args = $3;
@@ -2111,12 +2108,12 @@ sub process_name($$) {
} elsif (/$doc_decl/o) {
$identifier = $1;
my $is_kernel_comment = 0;
- my $decl_start = qr{\s*\*};
+ my $decl_start = qr{$doc_com};
# test for pointer declaration type, foo * bar() - desc
my $fn_type = qr{\w+\s*\*\s*};
my $parenthesis = qr{\(\w*\)};
my $decl_end = qr{[-:].*};
- if (/^$decl_start\s*([\w\s]+?)$parenthesis?\s*$decl_end?$/) {
+ if (/^$decl_start([\w\s]+?)$parenthesis?\s*$decl_end?$/) {
$identifier = $1;
}
if ($identifier =~ m/^(struct|union|enum|typedef)\b\s*(\S*)/) {
@@ -2126,8 +2123,8 @@ sub process_name($$) {
}
# Look for foo() or static void foo() - description; or misspelt
# identifier
- elsif (/^$decl_start\s*$fn_type?(\w+)\s*$parenthesis?\s*$decl_end?$/ ||
- /^$decl_start\s*$fn_type?(\w+.*)$parenthesis?\s*$decl_end$/) {
+ elsif (/^$decl_start$fn_type?(\w+)\s*$parenthesis?\s*$decl_end?$/ ||
+ /^$decl_start$fn_type?(\w+.*)$parenthesis?\s*$decl_end$/) {
$identifier = $1;
$decl_type = 'function';
$identifier =~ s/^define\s+//;
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index f4de4c97015b..36ef7b37fc5d 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -38,9 +38,7 @@ LDFLAGS_vmlinux="$3"
# Will be supressed by "make -s"
info()
{
- if [ "${quiet}" != "silent_" ]; then
- printf " %-7s %s\n" "${1}" "${2}"
- fi
+ printf " %-7s %s\n" "${1}" "${2}"
}
# Generate a linker script to ensure correct ordering of initcalls.
@@ -235,12 +233,16 @@ gen_btf()
vmlinux_link ${1}
+ if [ "${pahole_ver}" -ge "118" ] && [ "${pahole_ver}" -le "121" ]; then
+ # pahole 1.18 through 1.21 can't handle zero-sized per-CPU vars
+ extra_paholeopt="${extra_paholeopt} --skip_encoding_btf_vars"
+ fi
if [ "${pahole_ver}" -ge "121" ]; then
extra_paholeopt="${extra_paholeopt} --btf_gen_floats"
fi
info "BTF" ${2}
- LLVM_OBJCOPY=${OBJCOPY} ${PAHOLE} -J ${extra_paholeopt} ${1}
+ LLVM_OBJCOPY="${OBJCOPY}" ${PAHOLE} -J ${extra_paholeopt} ${1}
# Create ${2} which contains just .BTF section but no symbols. Add
# SHF_ALLOC because .BTF will be part of the vmlinux image. --strip-all
diff --git a/scripts/min-tool-version.sh b/scripts/min-tool-version.sh
index d22cf91212b0..319f92104f56 100755
--- a/scripts/min-tool-version.sh
+++ b/scripts/min-tool-version.sh
@@ -30,7 +30,12 @@ icc)
echo 16.0.3
;;
llvm)
- echo 10.0.1
+ # https://lore.kernel.org/r/YMtib5hKVyNknZt3@osiris/
+ if [ "$SRCARCH" = s390 ]; then
+ echo 13.0.0
+ else
+ echo 10.0.1
+ fi
;;
*)
echo "$1: unknown tool" >&2
diff --git a/scripts/mkcompile_h b/scripts/mkcompile_h
index 4ae735039daf..6a2a04d92f42 100755
--- a/scripts/mkcompile_h
+++ b/scripts/mkcompile_h
@@ -9,8 +9,6 @@ PREEMPT_RT=$5
CC_VERSION="$6"
LD=$7
-vecho() { [ "${quiet}" = "silent_" ] || echo "$@" ; }
-
# Do not expand names
set -f
@@ -70,19 +68,27 @@ UTS_VERSION="$(echo $UTS_VERSION $CONFIG_FLAGS $TIMESTAMP | cut -b -$UTS_LEN)"
# Only replace the real compile.h if the new one is different,
# in order to preserve the timestamp and avoid unnecessary
# recompilations.
-# We don't consider the file changed if only the date/time changed.
+# We don't consider the file changed if only the date/time changed,
+# unless KBUILD_BUILD_TIMESTAMP was explicitly set (e.g. for
+# reproducible builds with that value referring to a commit timestamp).
# A kernel config change will increase the generation number, thus
# causing compile.h to be updated (including date/time) due to the
# changed comment in the
# first line.
+if [ -z "$KBUILD_BUILD_TIMESTAMP" ]; then
+ IGNORE_PATTERN="UTS_VERSION"
+else
+ IGNORE_PATTERN="NOT_A_PATTERN_TO_BE_MATCHED"
+fi
+
if [ -r $TARGET ] && \
- grep -v 'UTS_VERSION' $TARGET > .tmpver.1 && \
- grep -v 'UTS_VERSION' .tmpcompile > .tmpver.2 && \
+ grep -v $IGNORE_PATTERN $TARGET > .tmpver.1 && \
+ grep -v $IGNORE_PATTERN .tmpcompile > .tmpver.2 && \
cmp -s .tmpver.1 .tmpver.2; then
rm -f .tmpcompile
else
- vecho " UPD $TARGET"
+ echo " UPD $TARGET"
mv -f .tmpcompile $TARGET
fi
rm -f .tmpver.1 .tmpver.2
diff --git a/scripts/mkmakefile b/scripts/mkmakefile
deleted file mode 100755
index 1cb174751429..000000000000
--- a/scripts/mkmakefile
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0
-# Generates a small Makefile used in the root of the output
-# directory, to allow make to be started from there.
-# The Makefile also allow for more convinient build of external modules
-
-# Usage
-# $1 - Kernel src directory
-
-if [ "${quiet}" != "silent_" ]; then
- echo " GEN Makefile"
-fi
-
-cat << EOF > Makefile
-# Automatically generated by $0: don't edit
-include $1/Makefile
-EOF
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 3e623ccc020b..270a7df898e2 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -660,8 +660,11 @@ static void handle_modversion(const struct module *mod,
unsigned int crc;
if (sym->st_shndx == SHN_UNDEF) {
- warn("EXPORT symbol \"%s\" [%s%s] version generation failed, symbol will not be versioned.\n",
- symname, mod->name, mod->is_vmlinux ? "" : ".ko");
+ warn("EXPORT symbol \"%s\" [%s%s] version ...\n"
+ "Is \"%s\" prototyped in <asm/asm-prototypes.h>?\n",
+ symname, mod->name, mod->is_vmlinux ? "" : ".ko",
+ symname);
+
return;
}
diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h
index f9b19524da11..1e9baa5c4fc6 100644
--- a/scripts/recordmcount.h
+++ b/scripts/recordmcount.h
@@ -192,15 +192,20 @@ static unsigned int get_symindex(Elf_Sym const *sym, Elf32_Word const *symtab,
Elf32_Word const *symtab_shndx)
{
unsigned long offset;
+ unsigned short shndx = w2(sym->st_shndx);
int index;
- if (sym->st_shndx != SHN_XINDEX)
- return w2(sym->st_shndx);
+ if (shndx > SHN_UNDEF && shndx < SHN_LORESERVE)
+ return shndx;
- offset = (unsigned long)sym - (unsigned long)symtab;
- index = offset / sizeof(*sym);
+ if (shndx == SHN_XINDEX) {
+ offset = (unsigned long)sym - (unsigned long)symtab;
+ index = offset / sizeof(*sym);
- return w(symtab_shndx[index]);
+ return w(symtab_shndx[index]);
+ }
+
+ return 0;
}
static unsigned int get_shnum(Elf_Ehdr const *ehdr, Elf_Shdr const *shdr0)
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index c17e48020ec3..8f6b13ae46bf 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -173,39 +173,6 @@ my $mcount_regex; # Find the call site to mcount (return offset)
my $mcount_adjust; # Address adjustment to mcount offset
my $alignment; # The .align value to use for $mcount_section
my $section_type; # Section header plus possible alignment command
-my $can_use_local = 0; # If we can use local function references
-
-# Shut up recordmcount if user has older objcopy
-my $quiet_recordmcount = ".tmp_quiet_recordmcount";
-my $print_warning = 1;
-$print_warning = 0 if ( -f $quiet_recordmcount);
-
-##
-# check_objcopy - whether objcopy supports --globalize-symbols
-#
-# --globalize-symbols came out in 2.17, we must test the version
-# of objcopy, and if it is less than 2.17, then we can not
-# record local functions.
-sub check_objcopy
-{
- open (IN, "$objcopy --version |") or die "error running $objcopy";
- while (<IN>) {
- if (/objcopy.*\s(\d+)\.(\d+)/) {
- $can_use_local = 1 if ($1 > 2 || ($1 == 2 && $2 >= 17));
- last;
- }
- }
- close (IN);
-
- if (!$can_use_local && $print_warning) {
- print STDERR "WARNING: could not find objcopy version or version " .
- "is less than 2.17.\n" .
- "\tLocal function references are disabled.\n";
- open (QUIET, ">$quiet_recordmcount");
- printf QUIET "Disables the warning from recordmcount.pl\n";
- close QUIET;
- }
-}
if ($arch =~ /(x86(_64)?)|(i386)/) {
if ($bits == 64) {
@@ -434,8 +401,6 @@ if ($filename =~ m,^(.*)(\.\S),) {
my $mcount_s = $dirname . "/.tmp_mc_" . $prefix . ".s";
my $mcount_o = $dirname . "/.tmp_mc_" . $prefix . ".o";
-check_objcopy();
-
#
# Step 1: find all the local (static functions) and weak symbols.
# 't' is local, 'w/W' is weak
@@ -473,11 +438,6 @@ sub update_funcs
# is this function static? If so, note this fact.
if (defined $locals{$ref_func}) {
-
- # only use locals if objcopy supports globalize-symbols
- if (!$can_use_local) {
- return;
- }
$convert{$ref_func} = 1;
}
diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index db941f6d9591..6b54e46a0f12 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -59,32 +59,19 @@ scm_version()
fi
# If we are past a tagged commit (like
# "v2.6.30-rc5-302-g72357d5"), we pretty print it.
- #
- # Ensure the abbreviated sha1 has exactly 12
- # hex characters, to make the output
- # independent of git version, local
- # core.abbrev settings and/or total number of
- # objects in the current repository - passing
- # --abbrev=12 ensures a minimum of 12, and the
- # awk substr() then picks the 'g' and first 12
- # hex chars.
- if atag="$(git describe --abbrev=12 2>/dev/null)"; then
- echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),substr($(NF),0,13))}'
-
- # If we don't have a tag at all we print -g{commitish},
- # again using exactly 12 hex chars.
- else
- head="$(echo $head | cut -c1-12)"
- printf '%s%s' -g $head
+ if atag="$(git describe 2>/dev/null)"; then
+ echo "$atag" | awk -F- '{printf("-%05d", $(NF-1))}'
fi
- fi
- # Is this git on svn?
- if git config --get svn-remote.svn.url >/dev/null; then
- printf -- '-svn%s' "$(git svn find-rev $head)"
+ # Add -g and exactly 12 hex chars.
+ printf '%s%s' -g "$(echo $head | cut -c1-12)"
fi
# Check for uncommitted changes.
+ # This script must avoid any write attempt to the source tree,
+ # which might be read-only.
+ # You cannot use 'git describe --dirty' because it tries to
+ # create .git/index.lock .
# First, with git-status, but --no-optional-locks is only
# supported in git >= 2.14, so fall back to git-diff-index if
# it fails. Note that git-diff-index does not refresh the
@@ -93,45 +80,9 @@ scm_version()
if {
git --no-optional-locks status -uno --porcelain 2>/dev/null ||
git diff-index --name-only HEAD
- } | grep -qvE '^(.. )?scripts/package'; then
+ } | read dummy; then
printf '%s' -dirty
fi
-
- # All done with git
- return
- fi
-
- # Check for mercurial and a mercurial repo.
- if test -d .hg && hgid=$(hg id 2>/dev/null); then
- # Do we have an tagged version? If so, latesttagdistance == 1
- if [ "$(hg log -r . --template '{latesttagdistance}')" = "1" ]; then
- id=$(hg log -r . --template '{latesttag}')
- printf '%s%s' -hg "$id"
- else
- tag=$(printf '%s' "$hgid" | cut -d' ' -f2)
- if [ -z "$tag" -o "$tag" = tip ]; then
- id=$(printf '%s' "$hgid" | sed 's/[+ ].*//')
- printf '%s%s' -hg "$id"
- fi
- fi
-
- # Are there uncommitted changes?
- # These are represented by + after the changeset id.
- case "$hgid" in
- *+|*+\ *) printf '%s' -dirty ;;
- esac
-
- # All done with mercurial
- return
- fi
-
- # Check for svn and a svn repo.
- if rev=$(LC_ALL=C svn info 2>/dev/null | grep '^Last Changed Rev'); then
- rev=$(echo $rev | awk '{print $NF}')
- printf -- '-svn%s' "$rev"
-
- # All done with svn
- return
fi
}
@@ -180,15 +131,16 @@ res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}"
if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then
# full scm version string
res="$res$(scm_version)"
-else
- # append a plus sign if the repository is not in a clean
- # annotated or signed tagged state (as git describe only
- # looks at signed or annotated tags - git tag -a/-s) and
- # LOCALVERSION= is not specified
- if test "${LOCALVERSION+set}" != "set"; then
- scm=$(scm_version --short)
- res="$res${scm:++}"
- fi
+elif [ "${LOCALVERSION+set}" != "set" ]; then
+ # If the variable LOCALVERSION is not set, append a plus
+ # sign if the repository is not in a clean annotated or
+ # signed tagged state (as git describe only looks at signed
+ # or annotated tags - git tag -a/-s).
+ #
+ # If the variable LOCALVERSION is set (including being set
+ # to an empty string), we don't want to append a plus sign.
+ scm=$(scm_version --short)
+ res="$res${scm:++}"
fi
echo "$res"
diff --git a/scripts/spdxcheck.py b/scripts/spdxcheck.py
index 3e784cf9f401..ebd06ae642c9 100755
--- a/scripts/spdxcheck.py
+++ b/scripts/spdxcheck.py
@@ -44,7 +44,7 @@ def read_spdxdata(repo):
continue
exception = None
- for l in open(el.path).readlines():
+ for l in open(el.path, encoding="utf-8").readlines():
if l.startswith('Valid-License-Identifier:'):
lid = l.split(':')[1].strip().upper()
if lid in spdx.licenses:
diff --git a/scripts/spelling.txt b/scripts/spelling.txt
index 7b6a01291598..17fdc620d548 100644
--- a/scripts/spelling.txt
+++ b/scripts/spelling.txt
@@ -22,6 +22,7 @@ absolut||absolute
absoulte||absolute
acccess||access
acceess||access
+accelaration||acceleration
acceleratoin||acceleration
accelleration||acceleration
accesing||accessing
@@ -264,6 +265,7 @@ calucate||calculate
calulate||calculate
cancelation||cancellation
cancle||cancel
+canot||cannot
capabilites||capabilities
capabilties||capabilities
capabilty||capability
@@ -494,7 +496,10 @@ digial||digital
dimention||dimension
dimesions||dimensions
diconnected||disconnected
+disabed||disabled
+disble||disable
disgest||digest
+disired||desired
dispalying||displaying
diplay||display
directon||direction
@@ -710,6 +715,7 @@ havind||having
heirarchically||hierarchically
heirarchy||hierarchy
helpfull||helpful
+hearbeat||heartbeat
heterogenous||heterogeneous
hexdecimal||hexadecimal
hybernate||hibernate
@@ -989,6 +995,7 @@ notications||notifications
notifcations||notifications
notifed||notified
notity||notify
+nubmer||number
numebr||number
numner||number
obtaion||obtain
@@ -1014,8 +1021,10 @@ ommiting||omitting
ommitted||omitted
onself||oneself
ony||only
+openning||opening
operatione||operation
opertaions||operations
+opportunies||opportunities
optionnal||optional
optmizations||optimizations
orientatied||orientated
@@ -1111,6 +1120,7 @@ prefitler||prefilter
preform||perform
premption||preemption
prepaired||prepared
+prepate||prepare
preperation||preparation
preprare||prepare
pressre||pressure
@@ -1123,6 +1133,7 @@ privilaged||privileged
privilage||privilege
priviledge||privilege
priviledges||privileges
+privleges||privileges
probaly||probably
procceed||proceed
proccesors||processors
@@ -1167,6 +1178,7 @@ promixity||proximity
psudo||pseudo
psuedo||pseudo
psychadelic||psychedelic
+purgable||purgeable
pwoer||power
queing||queuing
quering||querying
@@ -1180,6 +1192,7 @@ receieve||receive
recepient||recipient
recevied||received
receving||receiving
+recievd||received
recieved||received
recieve||receive
reciever||receiver
@@ -1228,6 +1241,7 @@ reponse||response
representaion||representation
reqeust||request
reqister||register
+requed||requeued
requestied||requested
requiere||require
requirment||requirement
@@ -1332,6 +1346,7 @@ singal||signal
singed||signed
sleeped||slept
sliped||slipped
+softwade||software
softwares||software
soley||solely
souce||source
@@ -1510,6 +1525,7 @@ unintialized||uninitialized
unitialized||uninitialized
unkmown||unknown
unknonw||unknown
+unknouwn||unknown
unknow||unknown
unkown||unknown
unamed||unnamed
diff --git a/scripts/sphinx-pre-install b/scripts/sphinx-pre-install
index fe92020d67e3..288e86a9d1e5 100755
--- a/scripts/sphinx-pre-install
+++ b/scripts/sphinx-pre-install
@@ -22,16 +22,18 @@ my $need = 0;
my $optional = 0;
my $need_symlink = 0;
my $need_sphinx = 0;
-my $need_venv = 0;
+my $need_pip = 0;
my $need_virtualenv = 0;
my $rec_sphinx_upgrade = 0;
my $install = "";
my $virtenv_dir = "";
my $python_cmd = "";
+my $activate_cmd;
my $min_version;
my $cur_version;
my $rec_version = "1.7.9"; # PDF won't build here
my $min_pdf_version = "2.4.4"; # Min version where pdf builds
+my $latest_avail_ver;
#
# Command line arguments
@@ -319,10 +321,7 @@ sub check_sphinx()
return;
}
- if ($cur_version lt $rec_version) {
- $rec_sphinx_upgrade = 1;
- return;
- }
+ return if ($cur_version lt $rec_version);
# On version check mode, just assume Sphinx has all mandatory deps
exit (0) if ($version_check);
@@ -701,6 +700,162 @@ sub deactivate_help()
printf "\tdeactivate\n";
}
+sub get_virtenv()
+{
+ my $ver;
+ my $min_activate = "$ENV{'PWD'}/${virtenv_prefix}${min_version}/bin/activate";
+ my @activates = glob "$ENV{'PWD'}/${virtenv_prefix}*/bin/activate";
+
+ @activates = sort {$b cmp $a} @activates;
+
+ foreach my $f (@activates) {
+ next if ($f lt $min_activate);
+
+ my $sphinx_cmd = $f;
+ $sphinx_cmd =~ s/activate/sphinx-build/;
+ next if (! -f $sphinx_cmd);
+
+ my $ver = get_sphinx_version($sphinx_cmd);
+ if ($need_sphinx && ($ver ge $min_version)) {
+ return ($f, $ver);
+ } elsif ($ver gt $cur_version) {
+ return ($f, $ver);
+ }
+ }
+ return ("", "");
+}
+
+sub recommend_sphinx_upgrade()
+{
+ my $venv_ver;
+
+ # Avoid running sphinx-builds from venv if $cur_version is good
+ if ($cur_version && ($cur_version ge $rec_version)) {
+ $latest_avail_ver = $cur_version;
+ return;
+ }
+
+ # Get the highest version from sphinx_*/bin/sphinx-build and the
+ # corresponding command to activate the venv/virtenv
+ $activate_cmd = get_virtenv();
+
+ # Store the highest version from Sphinx existing virtualenvs
+ if (($activate_cmd ne "") && ($venv_ver gt $cur_version)) {
+ $latest_avail_ver = $venv_ver;
+ } else {
+ $latest_avail_ver = $cur_version if ($cur_version);
+ }
+
+ # As we don't know package version of Sphinx, and there's no
+ # virtual environments, don't check if upgrades are needed
+ if (!$virtualenv) {
+ return if (!$latest_avail_ver);
+ }
+
+ # Either there are already a virtual env or a new one should be created
+ $need_pip = 1;
+
+ # Return if the reason is due to an upgrade or not
+ if ($latest_avail_ver lt $rec_version) {
+ $rec_sphinx_upgrade = 1;
+ }
+}
+
+#
+# The logic here is complex, as it have to deal with different versions:
+# - minimal supported version;
+# - minimal PDF version;
+# - recommended version.
+# It also needs to work fine with both distro's package and venv/virtualenv
+sub recommend_sphinx_version($)
+{
+ my $virtualenv_cmd = shift;
+
+ if ($latest_avail_ver lt $min_pdf_version) {
+ print "note: If you want pdf, you need at least Sphinx $min_pdf_version.\n";
+ }
+
+ # Version is OK. Nothing to do.
+ return if ($cur_version && ($cur_version ge $rec_version));
+
+ if (!$need_sphinx) {
+ # sphinx-build is present and its version is >= $min_version
+
+ #only recommend enabling a newer virtenv version if makes sense.
+ if ($latest_avail_ver gt $cur_version) {
+ printf "\nYou may also use the newer Sphinx version $latest_avail_ver with:\n";
+ printf "\tdeactivate\n" if ($ENV{'PWD'} =~ /${virtenv_prefix}/);
+ printf "\t. $activate_cmd\n";
+ deactivate_help();
+
+ return;
+ }
+ return if ($latest_avail_ver ge $rec_version);
+ }
+
+ if (!$virtualenv) {
+ # No sphinx either via package or via virtenv. As we can't
+ # Compare the versions here, just return, recommending the
+ # user to install it from the package distro.
+ return if (!$latest_avail_ver);
+
+ # User doesn't want a virtenv recommendation, but he already
+ # installed one via virtenv with a newer version.
+ # So, print commands to enable it
+ if ($latest_avail_ver gt $cur_version) {
+ printf "\nYou may also use the Sphinx virtualenv version $latest_avail_ver with:\n";
+ printf "\tdeactivate\n" if ($ENV{'PWD'} =~ /${virtenv_prefix}/);
+ printf "\t. $activate_cmd\n";
+ deactivate_help();
+
+ return;
+ }
+ print "\n";
+ } else {
+ $need++ if ($need_sphinx);
+ }
+
+ # Suggest newer versions if current ones are too old
+ if ($latest_avail_ver && $cur_version ge $min_version) {
+ # If there's a good enough version, ask the user to enable it
+ if ($latest_avail_ver ge $rec_version) {
+ printf "\nNeed to activate Sphinx (version $latest_avail_ver) on virtualenv with:\n";
+ printf "\t. $activate_cmd\n";
+ deactivate_help();
+
+ return;
+ }
+
+ # Version is above the minimal required one, but may be
+ # below the recommended one. So, print warnings/notes
+
+ if ($latest_avail_ver lt $rec_version) {
+ print "Warning: It is recommended at least Sphinx version $rec_version.\n";
+ }
+ }
+
+ # At this point, either it needs Sphinx or upgrade is recommended,
+ # both via pip
+
+ if ($rec_sphinx_upgrade) {
+ if (!$virtualenv) {
+ print "Instead of install/upgrade Python Sphinx pkg, you could use pip/pypi with:\n\n";
+ } else {
+ print "To upgrade Sphinx, use:\n\n";
+ }
+ } else {
+ print "Sphinx needs to be installed either as a package or via pip/pypi with:\n";
+ }
+
+ $python_cmd = find_python_no_venv();
+
+ printf "\t$virtualenv_cmd $virtenv_dir\n";
+
+ printf "\t. $virtenv_dir/bin/activate\n";
+ printf "\tpip install -r $requirement_file\n";
+ deactivate_help();
+}
+
sub check_needs()
{
# Check if Sphinx is already accessible from current environment
@@ -722,15 +877,14 @@ sub check_needs()
if ($virtualenv) {
my $tmp = qx($python_cmd --version 2>&1);
if ($tmp =~ m/(\d+\.)(\d+\.)/) {
- if ($1 >= 3 && $2 >= 3) {
- $need_venv = 1; # python 3.3 or upper
- } else {
- $need_virtualenv = 1;
- }
if ($1 < 3) {
# Fail if it finds python2 (or worse)
die "Python 3 is required to build the kernel docs\n";
}
+ if ($1 == 3 && $2 < 3) {
+ # Need Python 3.3 or upper for venv
+ $need_virtualenv = 1;
+ }
} else {
die "Warning: couldn't identify $python_cmd version!";
}
@@ -739,14 +893,22 @@ sub check_needs()
}
}
- # Set virtualenv command line, if python < 3.3
+ recommend_sphinx_upgrade();
+
my $virtualenv_cmd;
- if ($need_virtualenv) {
- $virtualenv_cmd = findprog("virtualenv-3");
- $virtualenv_cmd = findprog("virtualenv-3.5") if (!$virtualenv_cmd);
- if (!$virtualenv_cmd) {
- check_program("virtualenv", 0);
- $virtualenv_cmd = "virtualenv";
+
+ if ($need_pip) {
+ # Set virtualenv command line, if python < 3.3
+ if ($need_virtualenv) {
+ $virtualenv_cmd = findprog("virtualenv-3");
+ $virtualenv_cmd = findprog("virtualenv-3.5") if (!$virtualenv_cmd);
+ if (!$virtualenv_cmd) {
+ check_program("virtualenv", 0);
+ $virtualenv_cmd = "virtualenv";
+ }
+ } else {
+ $virtualenv_cmd = "$python_cmd -m venv";
+ check_python_module("ensurepip", 0);
}
}
@@ -763,10 +925,6 @@ sub check_needs()
check_program("rsvg-convert", 2) if ($pdf);
check_program("latexmk", 2) if ($pdf);
- if ($need_sphinx || $rec_sphinx_upgrade) {
- check_python_module("ensurepip", 0) if ($need_venv);
- }
-
# Do distro-specific checks and output distro-install commands
check_distros();
@@ -784,67 +942,7 @@ sub check_needs()
which("sphinx-build-3");
}
- # NOTE: if the system has a too old Sphinx version installed,
- # it will recommend installing a newer version using virtualenv
-
- if ($need_sphinx || $rec_sphinx_upgrade) {
- my $min_activate = "$ENV{'PWD'}/${virtenv_prefix}${min_version}/bin/activate";
- my @activates = glob "$ENV{'PWD'}/${virtenv_prefix}*/bin/activate";
-
- if ($cur_version lt $rec_version) {
- print "Warning: It is recommended at least Sphinx version $rec_version.\n";
- print " If you want pdf, you need at least $min_pdf_version.\n";
- }
- if ($cur_version lt $min_pdf_version) {
- print "Note: It is recommended at least Sphinx version $min_pdf_version if you need PDF support.\n";
- }
- @activates = sort {$b cmp $a} @activates;
- my ($activate, $ver);
- foreach my $f (@activates) {
- next if ($f lt $min_activate);
-
- my $sphinx_cmd = $f;
- $sphinx_cmd =~ s/activate/sphinx-build/;
- next if (! -f $sphinx_cmd);
-
- $ver = get_sphinx_version($sphinx_cmd);
- if ($need_sphinx && ($ver ge $min_version)) {
- $activate = $f;
- last;
- } elsif ($ver gt $cur_version) {
- $activate = $f;
- last;
- }
- }
- if ($activate ne "") {
- if ($need_sphinx) {
- printf "\nNeed to activate Sphinx (version $ver) on virtualenv with:\n";
- printf "\t. $activate\n";
- deactivate_help();
- exit (1);
- } else {
- printf "\nYou may also use a newer Sphinx (version $ver) with:\n";
- printf "\tdeactivate && . $activate\n";
- }
- } else {
- my $rec_activate = "$virtenv_dir/bin/activate";
-
- print "To upgrade Sphinx, use:\n\n" if ($rec_sphinx_upgrade);
-
- $python_cmd = find_python_no_venv();
-
- if ($need_venv) {
- printf "\t$python_cmd -m venv $virtenv_dir\n";
- } else {
- printf "\t$virtualenv_cmd $virtenv_dir\n";
- }
- printf "\t. $rec_activate\n";
- printf "\tpip install -r $requirement_file\n";
- deactivate_help();
-
- $need++ if (!$rec_sphinx_upgrade);
- }
- }
+ recommend_sphinx_version($virtualenv_cmd);
printf "\n";
print "All optional dependencies are met.\n" if (!$optional);
diff --git a/scripts/syscallhdr.sh b/scripts/syscallhdr.sh
index 848ac2735115..22e34cd46b9b 100755
--- a/scripts/syscallhdr.sh
+++ b/scripts/syscallhdr.sh
@@ -69,7 +69,7 @@ guard=_UAPI_ASM_$(basename "$outfile" |
sed -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
-e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g')
-grep -E "^[0-9A-Fa-fXx]+[[:space:]]+$abis" "$infile" | sort -n | {
+grep -E "^[0-9A-Fa-fXx]+[[:space:]]+$abis" "$infile" | {
echo "#ifndef $guard"
echo "#define $guard"
echo
diff --git a/scripts/syscallnr.sh b/scripts/syscallnr.sh
new file mode 100644
index 000000000000..3aa29e0dcc52
--- /dev/null
+++ b/scripts/syscallnr.sh
@@ -0,0 +1,74 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Generate a syscall number header.
+#
+# Each line of the syscall table should have the following format:
+#
+# NR ABI NAME [NATIVE] [COMPAT]
+#
+# NR syscall number
+# ABI ABI name
+# NAME syscall name
+# NATIVE native entry point (optional)
+# COMPAT compat entry point (optional)
+set -e
+
+usage() {
+ echo >&2 "usage: $0 [--abis ABIS] [--prefix PREFIX] INFILE OUTFILE" >&2
+ echo >&2
+ echo >&2 " INFILE input syscall table"
+ echo >&2 " OUTFILE output header file"
+ echo >&2
+ echo >&2 "options:"
+ echo >&2 " --abis ABIS ABI(s) to handle (By default, all lines are handled)"
+ echo >&2 " --prefix PREFIX The prefix to the macro like __NR_<PREFIX><NAME>"
+ exit 1
+}
+
+# default unless specified by options
+abis=
+prefix=
+
+while [ $# -gt 0 ]
+do
+ case $1 in
+ --abis)
+ abis=$(echo "($2)" | tr ',' '|')
+ shift 2;;
+ --prefix)
+ prefix=$2
+ shift 2;;
+ -*)
+ echo "$1: unknown option" >&2
+ usage;;
+ *)
+ break;;
+ esac
+done
+
+if [ $# -ne 2 ]; then
+ usage
+fi
+
+infile="$1"
+outfile="$2"
+
+guard=_ASM_$(basename "$outfile" |
+ sed -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
+ -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g')
+
+grep -E "^[0-9A-Fa-fXx]+[[:space:]]+$abis" "$infile" | sort -n | {
+ echo "#ifndef $guard"
+ echo "#define $guard"
+ echo
+
+ max=0
+ while read nr abi name native compat ; do
+ max=$nr
+ done
+
+ echo "#define __NR_${prefix}syscalls $(($max + 1))"
+ echo
+ echo "#endif /* $guard */"
+} > "$outfile"
diff --git a/scripts/syscalltbl.sh b/scripts/syscalltbl.sh
index aa6ab156301c..6abe143889ef 100755
--- a/scripts/syscalltbl.sh
+++ b/scripts/syscalltbl.sh
@@ -52,10 +52,15 @@ outfile="$2"
nxt=0
-grep -E "^[0-9]+[[:space:]]+$abis" "$infile" | sort -n | {
+grep -E "^[0-9]+[[:space:]]+$abis" "$infile" | {
while read nr abi name native compat ; do
+ if [ $nxt -gt $nr ]; then
+ echo "error: $infile: syscall table is not sorted or duplicates the same syscall number" >&2
+ exit 1
+ fi
+
while [ $nxt -lt $nr ]; do
echo "__SYSCALL($nxt, sys_ni_syscall)"
nxt=$((nxt + 1))
diff --git a/scripts/tools-support-relr.sh b/scripts/tools-support-relr.sh
index 45e8aa360b45..cb55878bd5b8 100755
--- a/scripts/tools-support-relr.sh
+++ b/scripts/tools-support-relr.sh
@@ -7,7 +7,8 @@ trap "rm -f $tmp_file.o $tmp_file $tmp_file.bin" EXIT
cat << "END" | $CC -c -x c - -o $tmp_file.o >/dev/null 2>&1
void *p = &p;
END
-$LD $tmp_file.o -shared -Bsymbolic --pack-dyn-relocs=relr -o $tmp_file
+$LD $tmp_file.o -shared -Bsymbolic --pack-dyn-relocs=relr \
+ --use-android-relr-tags -o $tmp_file
# Despite printing an error message, GNU nm still exits with exit code 0 if it
# sees a relr section. So we need to check that nothing is printed to stderr.
diff --git a/scripts/tracing/draw_functrace.py b/scripts/tracing/draw_functrace.py
index 74f8aadfd4cb..7011fbe003ff 100755
--- a/scripts/tracing/draw_functrace.py
+++ b/scripts/tracing/draw_functrace.py
@@ -17,7 +17,7 @@ Usage:
$ cat /sys/kernel/debug/tracing/trace_pipe > ~/raw_trace_func
Wait some times but not too much, the script is a bit slow.
Break the pipe (Ctrl + Z)
- $ scripts/draw_functrace.py < raw_trace_func > draw_functrace
+ $ scripts/tracing/draw_functrace.py < ~/raw_trace_func > draw_functrace
Then you have your drawn trace in draw_functrace
"""
@@ -103,10 +103,10 @@ def parseLine(line):
line = line.strip()
if line.startswith("#"):
raise CommentLineException
- m = re.match("[^]]+?\\] +([0-9.]+): (\\w+) <-(\\w+)", line)
+ m = re.match("[^]]+?\\] +([a-z.]+) +([0-9.]+): (\\w+) <-(\\w+)", line)
if m is None:
raise BrokenLineException
- return (m.group(1), m.group(2), m.group(3))
+ return (m.group(2), m.group(3), m.group(4))
def main():