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authorLinus Torvalds <torvalds@linux-foundation.org>2021-08-07 10:03:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-08-07 10:03:02 -0700
commit4972bb90c3956817c8e0eea15a348ab635d1acdd (patch)
tree7ee587325e462fbd85e986d5907ec389c0594763
parentc9194f32bfd932e976a158d1af97a63be68a2aab (diff)
parent14ccc638b02f9ec500c17d9e39efe979145a4b61 (diff)
Merge tag 'kbuild-fixes-v5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada: - Correct the Extended Regular Expressions in tools - Adjust scripts/checkversion.pl for the current Kbuild - Unset sub_make_done for 'make install' to make DKMS work again * tag 'kbuild-fixes-v5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kbuild: cancel sub_make_done for the install target to fix DKMS scripts: checkversion: modernize linux/version.h search strings mips: Fix non-POSIX regexp x86/tools/relocs: Fix non-POSIX regexp
-rw-r--r--Makefile10
-rw-r--r--arch/mips/Makefile2
-rw-r--r--arch/x86/tools/relocs.c8
-rwxr-xr-xscripts/checkversion.pl18
4 files changed, 26 insertions, 12 deletions
diff --git a/Makefile b/Makefile
index b6ee64dd435e..9ca176ff1e40 100644
--- a/Makefile
+++ b/Makefile
@@ -1317,6 +1317,16 @@ scripts_unifdef: scripts_basic
$(Q)$(MAKE) $(build)=scripts scripts/unifdef
# ---------------------------------------------------------------------------
+# Install
+
+# Many distributions have the custom install script, /sbin/installkernel.
+# If DKMS is installed, 'make install' will eventually recuses back
+# to the this Makefile to build and install external modules.
+# Cancel sub_make_done so that options such as M=, V=, etc. are parsed.
+
+install: sub_make_done :=
+
+# ---------------------------------------------------------------------------
# Tools
ifdef CONFIG_STACK_VALIDATION
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 4e942b7ef022..653befc1b176 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -321,7 +321,7 @@ KBUILD_LDFLAGS += -m $(ld-emul)
ifdef CONFIG_MIPS
CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \
- egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
+ egrep -vw '__GNUC_(MINOR_|PATCHLEVEL_)?_' | \
sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/" -e 's/\$$/&&/g')
endif
diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c
index 04c5a44b9682..9ba700dc47de 100644
--- a/arch/x86/tools/relocs.c
+++ b/arch/x86/tools/relocs.c
@@ -57,12 +57,12 @@ static const char * const sym_regex_kernel[S_NSYMTYPES] = {
[S_REL] =
"^(__init_(begin|end)|"
"__x86_cpu_dev_(start|end)|"
- "(__parainstructions|__alt_instructions)(|_end)|"
- "(__iommu_table|__apicdrivers|__smp_locks)(|_end)|"
+ "(__parainstructions|__alt_instructions)(_end)?|"
+ "(__iommu_table|__apicdrivers|__smp_locks)(_end)?|"
"__(start|end)_pci_.*|"
"__(start|end)_builtin_fw|"
- "__(start|stop)___ksymtab(|_gpl)|"
- "__(start|stop)___kcrctab(|_gpl)|"
+ "__(start|stop)___ksymtab(_gpl)?|"
+ "__(start|stop)___kcrctab(_gpl)?|"
"__(start|stop)___param|"
"__(start|stop)___modver|"
"__(start|stop)___bug_table|"
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;
}