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Kbuild fixes for v6.12 (2nd)

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- Fix a memory leak in modpost
 
  - Resolve build issues when cross-compiling RPM and Debian packages
 
  - Fix another regression in Kconfig
 
  - Fix incorrect MODULE_ALIAS() output in modpost
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Merge tag 'kbuild-fixes-v6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Fix a memory leak in modpost

 - Resolve build issues when cross-compiling RPM and Debian packages

 - Fix another regression in Kconfig

 - Fix incorrect MODULE_ALIAS() output in modpost

* tag 'kbuild-fixes-v6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  modpost: fix input MODULE_DEVICE_TABLE() built for 64-bit on 32-bit host
  modpost: fix acpi MODULE_DEVICE_TABLE built with mismatched endianness
  kconfig: show sub-menu entries even if the prompt is hidden
  kbuild: deb-pkg: add pkg.linux-upstream.nokerneldbg build profile
  kbuild: deb-pkg: add pkg.linux-upstream.nokernelheaders build profile
  kbuild: rpm-pkg: disable kernel-devel package when cross-compiling
  sumversion: Fix a memory leak in get_src_version()
This commit is contained in:
Linus Torvalds 2024-11-03 08:29:02 -10:00
commit a33ab3f94f
7 changed files with 39 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
scripts/Makefile.package
View File

@ -62,6 +62,10 @@ rpm-sources: linux.tar.gz
PHONY += rpm-pkg srcrpm-pkg binrpm-pkg
ifneq ($(CC),$(HOSTCC))
rpm-no-devel = --without=devel
endif
rpm-pkg: private build-type := a
srcrpm-pkg: private build-type := s
binrpm-pkg: private build-type := b
@ -72,7 +76,8 @@ rpm-pkg srcrpm-pkg binrpm-pkg: rpmbuild/SPECS/kernel.spec
--define='_topdir $(abspath rpmbuild)' \
$(if $(filter a b, $(build-type)), \
--target $(UTS_MACHINE)-linux --build-in-place --noprep --define='_smp_mflags %{nil}' \
$$(rpm -q rpm >/dev/null 2>&1 || echo --nodeps)) \
$$(rpm -q rpm >/dev/null 2>&1 || echo --nodeps) \
$(rpm-no-devel)) \
$(RPMOPTS))
# deb-pkg srcdeb-pkg bindeb-pkg

13
scripts/kconfig/menu.c
View File

@ -533,6 +533,7 @@ bool menu_is_empty(struct menu *menu)
bool menu_is_visible(struct menu *menu)
{
struct menu *child;
struct symbol *sym;
tristate visible;
@ -551,7 +552,17 @@ bool menu_is_visible(struct menu *menu)
} else
visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr);
return visible != no;
if (visible != no)
return true;
if (!sym || sym_get_tristate_value(menu->sym) == no)
return false;
for (child = menu->list; child; child = child->next)
if (menu_is_visible(child))
return true;
return false;
}
const char *menu_get_prompt(const struct menu *menu)

12
scripts/mod/file2alias.c
View File

@ -567,12 +567,12 @@ static int do_acpi_entry(const char *filename,
void *symval, char *alias)
{
DEF_FIELD_ADDR(symval, acpi_device_id, id);
DEF_FIELD_ADDR(symval, acpi_device_id, cls);
DEF_FIELD_ADDR(symval, acpi_device_id, cls_msk);
DEF_FIELD(symval, acpi_device_id, cls);
DEF_FIELD(symval, acpi_device_id, cls_msk);
if (id && strlen((const char *)*id))
sprintf(alias, "acpi*:%s:*", *id);
else if (cls) {
else {
int i, byte_shift, cnt = 0;
unsigned int msk;
@ -580,10 +580,10 @@ static int do_acpi_entry(const char *filename,
cnt = 6;
for (i = 1; i <= 3; i++) {
byte_shift = 8 * (3-i);
msk = (*cls_msk >> byte_shift) & 0xFF;
msk = (cls_msk >> byte_shift) & 0xFF;
if (msk)
sprintf(&alias[cnt], "%02x",
(*cls >> byte_shift) & 0xFF);
(cls >> byte_shift) & 0xFF);
else
sprintf(&alias[cnt], "??");
cnt += 2;
@ -743,7 +743,7 @@ static void do_input(char *alias,
for (i = min / BITS_PER_LONG; i < max / BITS_PER_LONG + 1; i++)
arr[i] = TO_NATIVE(arr[i]);
for (i = min; i < max; i++)
if (arr[i / BITS_PER_LONG] & (1L << (i%BITS_PER_LONG)))
if (arr[i / BITS_PER_LONG] & (1ULL << (i%BITS_PER_LONG)))
sprintf(alias + strlen(alias), "%X,*", i);
}

5
scripts/mod/sumversion.c
View File

@ -392,7 +392,7 @@ static int parse_source_files(const char *objfile, struct md4_ctx *md)
/* Calc and record src checksum. */
void get_src_version(const char *modname, char sum[], unsigned sumlen)
{
char *buf;
char *buf, *pos;
struct md4_ctx md;
char *fname;
char filelist[PATH_MAX + 1];
@ -401,9 +401,10 @@ void get_src_version(const char *modname, char sum[], unsigned sumlen)
snprintf(filelist, sizeof(filelist), "%s.mod", modname);
buf = read_text_file(filelist);
pos = buf;
md4_init(&md);
while ((fname = strsep(&buf, "\n"))) {
while ((fname = strsep(&pos, "\n"))) {
if (!*fname)
continue;
if (!(is_static_library(fname)) &&

2
scripts/package/builddeb
View File

@ -123,7 +123,7 @@ install_kernel_headers () {
pdir=debian/$1
version=${1#linux-headers-}
"${srctree}/scripts/package/install-extmod-build" "${pdir}/usr/src/linux-headers-${version}"
CC="${DEB_HOST_GNU_TYPE}-gcc" "${srctree}/scripts/package/install-extmod-build" "${pdir}/usr/src/linux-headers-${version}"
mkdir -p $pdir/lib/modules/$version/
ln -s /usr/src/linux-headers-$version $pdir/lib/modules/$version/build

6
scripts/package/install-extmod-build
View File

@ -44,13 +44,11 @@ mkdir -p "${destdir}"
fi
} | tar -c -f - -T - | tar -xf - -C "${destdir}"
# When ${CC} and ${HOSTCC} differ, we are likely cross-compiling. Rebuild host
# programs using ${CC}. This assumes CC=${CROSS_COMPILE}gcc, which is usually
# the case for package building. It does not cross-compile when CC=clang.
# When ${CC} and ${HOSTCC} differ, rebuild host programs using ${CC}.
#
# This caters to host programs that participate in Kbuild. objtool and
# resolve_btfids are out of scope.
if [ "${CC}" != "${HOSTCC}" ] && is_enabled CONFIG_CC_CAN_LINK; then
if [ "${CC}" != "${HOSTCC}" ]; then
echo "Rebuilding host programs with ${CC}..."
cat <<-'EOF' > "${destdir}/Kbuild"

10
scripts/package/mkdebian
View File

@ -179,6 +179,8 @@ fi
echo $debarch > debian/arch
host_gnu=$(dpkg-architecture -a "${debarch}" -q DEB_HOST_GNU_TYPE | sed 's/_/-/g')
# Generate a simple changelog template
cat <<EOF > debian/changelog
$sourcename ($packageversion) $distribution; urgency=low
@ -196,7 +198,11 @@ Priority: optional
Maintainer: $maintainer
Rules-Requires-Root: no
Build-Depends: debhelper-compat (= 12)
Build-Depends-Arch: bc, bison, cpio, flex, kmod, libelf-dev:native, libssl-dev:native, rsync
Build-Depends-Arch: bc, bison, cpio, flex,
gcc-${host_gnu} <!pkg.${sourcename}.nokernelheaders>,
kmod, libelf-dev:native,
libssl-dev:native, libssl-dev <!pkg.${sourcename}.nokernelheaders>,
rsync
Homepage: https://www.kernel.org/
Package: $packagename-$version
@ -224,6 +230,7 @@ cat <<EOF >> debian/control
Package: linux-headers-$version
Architecture: $debarch
Build-Profiles: <!pkg.${sourcename}.nokernelheaders>
Description: Linux kernel headers for $version on $debarch
This package provides kernel header files for $version on $debarch
.
@ -238,6 +245,7 @@ cat <<EOF >> debian/control
Package: linux-image-$version-dbg
Section: debug
Architecture: $debarch
Build-Profiles: <!pkg.${sourcename}.nokerneldbg>
Description: Linux kernel debugging symbols for $version
This package will come in handy if you need to debug the kernel. It provides
all the necessary debug symbols for the kernel and its modules.