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Kbuild fixes for v6.10

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- Fix a Kconfig bug regarding comparisons to 'm' or 'n'
 
  - Replace missed $(srctree)/$(src)
 
  - Fix unneeded kallsyms step 3
 
  - Remove incorrect "compatible" properties from image nodes in image.fit
 
  - Improve gen_kheaders.sh
 
  - Fix 'make dt_binding_check'
 
  - Clean up unnecessary code
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Merge tag 'kbuild-fixes-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Fix a Kconfig bug regarding comparisons to 'm' or 'n'

 - Replace missed $(srctree)/$(src)

 - Fix unneeded kallsyms step 3

 - Remove incorrect "compatible" properties from image nodes in
   image.fit

 - Improve gen_kheaders.sh

 - Fix 'make dt_binding_check'

 - Clean up unnecessary code

* tag 'kbuild-fixes-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  dt-bindings: kbuild: Fix dt_binding_check on unconfigured build
  kheaders: use `command -v` to test for existence of `cpio`
  kheaders: explicitly define file modes for archived headers
  scripts/make_fit: Drop fdt image entry compatible string
  kbuild: remove a stale comment about cleaning in link-vmlinux.sh
  kbuild: fix short log for AS in link-vmlinux.sh
  kbuild: change scripts/mksysmap into sed script
  kbuild: avoid unneeded kallsyms step 3
  kbuild: scripts/gdb: Replace missed $(srctree)/$(src) w/ $(src)
  kconfig: remove redundant check in expr_join_or()
  kconfig: fix comparison to constant symbols, 'm', 'n'
  kconfig: remove unused expr_is_no()
This commit is contained in:
Linus Torvalds 2024-06-01 09:33:55 -07:00
commit ec9eeb89e6
9 changed files with 25 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
kernel/gen_kheaders.sh
View File

@ -14,7 +14,12 @@ include/
arch/$SRCARCH/include/
"
type cpio > /dev/null
if ! command -v cpio >/dev/null; then
echo >&2 "***"
echo >&2 "*** 'cpio' could not be found."
echo >&2 "***"
exit 1
fi
# Support incremental builds by skipping archive generation
# if timestamps of files being archived are not changed.
@ -84,7 +89,7 @@ find $cpio_dir -type f -print0 |
# Create archive and try to normalize metadata for reproducibility.
tar "${KBUILD_BUILD_TIMESTAMP:+--mtime=$KBUILD_BUILD_TIMESTAMP}" \
--owner=0 --group=0 --sort=name --numeric-owner \
--owner=0 --group=0 --sort=name --numeric-owner --mode=u=rw,go=r,a+X \
-I $XZ -cf $tarfile -C $cpio_dir/ . > /dev/null
echo $headers_md5 > kernel/kheaders.md5

2
scripts/dtc/Makefile
View File

@ -3,7 +3,7 @@
# *** Also keep .gitignore in sync when changing ***
hostprogs-always-$(CONFIG_DTC) += dtc fdtoverlay
hostprogs-always-$(CHECK_DT_BINDING) += dtc
hostprogs-always-$(CHECK_DTBS) += dtc
dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
srcpos.o checks.o util.o

2
scripts/gdb/linux/Makefile
View File

@ -5,7 +5,7 @@ ifdef building_out_of_srctree
symlinks := $(patsubst $(src)/%,%,$(wildcard $(src)/*.py))
quiet_cmd_symlink = SYMLINK $@
cmd_symlink = ln -fsn $(patsubst $(obj)/%,$(abspath $(srctree))/$(src)/%,$@) $@
cmd_symlink = ln -fsn $(patsubst $(obj)/%,$(src)/%,$@) $@
always-y += $(symlinks)
$(addprefix $(obj)/, $(symlinks)): FORCE

2
scripts/kconfig/expr.c
View File

@ -476,7 +476,7 @@ static struct expr *expr_join_or(struct expr *e1, struct expr *e2)
return expr_alloc_comp(E_UNEQUAL, sym1, &symbol_yes);
}
}
if (sym1->type == S_BOOLEAN && sym1 == sym2) {
if (sym1->type == S_BOOLEAN) {
if ((e1->type == E_NOT && e1->left.expr->type == E_SYMBOL && e2->type == E_SYMBOL) ||
(e2->type == E_NOT && e2->left.expr->type == E_SYMBOL && e1->type == E_SYMBOL))
return expr_alloc_symbol(&symbol_yes);

5
scripts/kconfig/expr.h
View File

@ -302,11 +302,6 @@ static inline int expr_is_yes(struct expr *e)
return !e || (e->type == E_SYMBOL && e->left.sym == &symbol_yes);
}
static inline int expr_is_no(struct expr *e)
{
return e && (e->type == E_SYMBOL && e->left.sym == &symbol_no);
}
#ifdef __cplusplus
}
#endif

6
scripts/kconfig/symbol.c
View File

@ -14,6 +14,7 @@
struct symbol symbol_yes = {
.name = "y",
.type = S_TRISTATE,
.curr = { "y", yes },
.menus = LIST_HEAD_INIT(symbol_yes.menus),
.flags = SYMBOL_CONST|SYMBOL_VALID,
@ -21,6 +22,7 @@ struct symbol symbol_yes = {
struct symbol symbol_mod = {
.name = "m",
.type = S_TRISTATE,
.curr = { "m", mod },
.menus = LIST_HEAD_INIT(symbol_mod.menus),
.flags = SYMBOL_CONST|SYMBOL_VALID,
@ -28,6 +30,7 @@ struct symbol symbol_mod = {
struct symbol symbol_no = {
.name = "n",
.type = S_TRISTATE,
.curr = { "n", no },
.menus = LIST_HEAD_INIT(symbol_no.menus),
.flags = SYMBOL_CONST|SYMBOL_VALID,
@ -820,8 +823,7 @@ const char *sym_get_string_value(struct symbol *sym)
case no:
return "n";
case mod:
sym_calc_value(modules_sym);
return (modules_sym->curr.tri == no) ? "n" : "m";
return "m";
case yes:
return "y";
}

9
scripts/link-vmlinux.sh
View File

@ -179,10 +179,10 @@ kallsyms_step()
kallsyms_S=${kallsyms_vmlinux}.S
vmlinux_link ${kallsyms_vmlinux} "${kallsymso_prev}" ${btf_vmlinux_bin_o}
mksysmap ${kallsyms_vmlinux} ${kallsyms_vmlinux}.syms ${kallsymso_prev}
mksysmap ${kallsyms_vmlinux} ${kallsyms_vmlinux}.syms
kallsyms ${kallsyms_vmlinux}.syms ${kallsyms_S}
info AS ${kallsyms_S}
info AS ${kallsymso}
${CC} ${NOSTDINC_FLAGS} ${LINUXINCLUDE} ${KBUILD_CPPFLAGS} \
${KBUILD_AFLAGS} ${KBUILD_AFLAGS_KERNEL} \
-c -o ${kallsymso} ${kallsyms_S}
@ -193,7 +193,7 @@ kallsyms_step()
mksysmap()
{
info NM ${2}
${CONFIG_SHELL} "${srctree}/scripts/mksysmap" ${1} ${2} ${3}
${NM} -n "${1}" | "${srctree}/scripts/mksysmap" > "${2}"
}
sorttable()
@ -201,7 +201,6 @@ sorttable()
${objtree}/scripts/sorttable ${1}
}
# Delete output files in case of error
cleanup()
{
rm -f .btf.*
@ -282,7 +281,7 @@ if is_enabled CONFIG_DEBUG_INFO_BTF && is_enabled CONFIG_BPF; then
${RESOLVE_BTFIDS} vmlinux
fi
mksysmap vmlinux System.map ${kallsymso}
mksysmap vmlinux System.map
if is_enabled CONFIG_BUILDTIME_TABLE_SORT; then
info SORTTAB vmlinux

3
scripts/make_fit.py
View File

@ -190,7 +190,7 @@ def output_dtb(fsw, seq, fname, arch, compress):
Args:
fsw (libfdt.FdtSw): Object to use for writing
seq (int): Sequence number (1 for first)
fmame (str): Filename containing the DTB
fname (str): Filename containing the DTB
arch: FIT architecture, e.g. 'arm64'
compress (str): Compressed algorithm, e.g. 'gzip'
@ -211,7 +211,6 @@ def output_dtb(fsw, seq, fname, arch, compress):
fsw.property_string('type', 'flat_dt')
fsw.property_string('arch', arch)
fsw.property_string('compression', compress)
fsw.property('compatible', bytes(compat))
with open(fname, 'rb') as inf:
compressed = compress_data(inf, compress)

28
scripts/mksysmap
View File

@ -1,22 +1,16 @@
#!/bin/sh -x
# Based on the vmlinux file create the System.map file
#!/bin/sed -f
# SPDX-License-Identifier: GPL-2.0-only
#
# sed script to filter out symbols that are not needed for System.map,
# or not suitable for kallsyms. The input should be 'nm -n <file>'.
#
# System.map is used by module-init tools and some debugging
# tools to retrieve the actual addresses of symbols in the kernel.
#
# Usage
# mksysmap vmlinux System.map [exclude]
#####
# Generate System.map (actual filename passed as second argument)
# The following refers to the symbol type as per nm(1).
# readprofile starts reading symbols when _stext is found, and
# continue until it finds a symbol which is not either of 'T', 't',
# 'W' or 'w'.
#
${NM} -n ${1} | sed >${2} -e "
# ---------------------------------------------------------------------------
# Ignored symbol types
#
@ -92,13 +86,3 @@ ${NM} -n ${1} | sed >${2} -e "
# ppc stub
/\.long_branch\./d
/\.plt_branch\./d
# ---------------------------------------------------------------------------
# Ignored kallsyms symbols
#
# If the 3rd parameter exists, symbols from it will be omitted from the output.
# This makes kallsyms have the identical symbol lists in the step 1 and 2.
# Without this, the step2 would get new symbols generated by scripts/kallsyms.c
# when CONFIG_KALLSYMS_ALL is enabled. That might require one more pass.
$(if [ $# -ge 3 ]; then ${NM} ${3} | sed -n '/ U /!s:.* \([^ ]*\)$:/ \1$/d:p'; fi)
"