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Lecopzer Chen ab992b1bb8 UPSTREAM: Kbuild: lto: fix module versionings mismatch in GNU make 3.X 
When building modules(CONFIG_...=m), I found some of module versions
are incorrect and set to 0.
This can be found in build log for first clean build which shows

WARNING: EXPORT symbol "XXXX" [drivers/XXX/XXX.ko] version generation failed,
symbol will not be versioned.

But in second build(incremental build), the WARNING disappeared and the
module version becomes valid CRC and make someone who want to change
modules without updating kernel image can't insert their modules.

The problematic code is
+	$(foreach n, $(filter-out FORCE,$^),				\
+		$(if $(wildcard $(n).symversions),			\
+			; cat $(n).symversions >> $@.symversions))

For example:
  rm -f fs/notify/built-in.a.symversions    ; rm -f fs/notify/built-in.a; \
llvm-ar cDPrST fs/notify/built-in.a fs/notify/fsnotify.o \
fs/notify/notification.o fs/notify/group.o ...

`foreach n` shows nothing to `cat` into $(n).symversions because
`if $(wildcard $(n).symversions)` return nothing, but actually
they do exist during this line was executed.

-rw-r--r-- 1 root root 168580 Jun 13 19:10 fs/notify/fsnotify.o
-rw-r--r-- 1 root root    111 Jun 13 19:10 fs/notify/fsnotify.o.symversions

The reason is the $(n).symversions are generated at runtime, but
Makefile wildcard function expends and checks the file exist or not
during parsing the Makefile.

Thus fix this by use `test` shell command to check the file
existence in runtime.

Rebase from both:
1. [https://lore.kernel.org/lkml/20210616080252.32046-1-lecopzer.chen@mediatek.com/]
2. [https://lore.kernel.org/lkml/20210702032943.7865-1-lecopzer.chen@mediatek.com/]

Bug: 254441685
Fixes: 38e891849003 ("kbuild: lto: fix module versioning")
Co-developed-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Lecopzer Chen <lecopzer.chen@mediatek.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
(cherry picked from commit 1d11053dc63094075bf9e4809fffd3bb5e72f9a6)
Signed-off-by: Lee Jones <joneslee@google.com>
Change-Id: I8f4c2c1f27d47bf14c7a0150c00ac32b8df05980
2022-11-09 13:57:12 +00:00
..
atomic Merge branch 'kcsan' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into locking/core 2020-10-09 08:56:02 +02:00
basic kbuild: introduce hostprogs-always-y and userprogs-always-y 2020-08-10 01:32:59 +09:00
clang-tools gen_compile_commands: fix missing 'sys' package 2021-09-22 12:27:58 +02:00
coccinelle Merge branch 'for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux 2020-10-18 14:20:35 -07:00
dtc scripts/dtc: Call pkg-config POSIXly correct 2022-04-08 14:40:15 +02:00
dummy-tools kbuild: simplify GCC_PLUGINS enablement in dummy-tools/gcc 2021-12-14 11:32:46 +01:00
gcc-plugins gcc-plugins: latent_entropy: use /dev/urandom 2022-04-20 09:23:26 +02:00
gdb scripts/gdb: change kernel config dumping method 2022-06-14 18:32:45 +02:00
genksyms genksyms: keywords: Use __restrict not _restrict 2020-08-18 20:16:46 +09:00
kconfig This is the 5.10.102 stable release 2022-02-23 12:56:37 +01:00
ksymoops
mod This is the 5.10.127 stable release 2022-07-28 16:08:09 +02:00
package builddeb: Fix rootless build in setuid/setgid directory 2020-11-02 11:31:00 +09:00
selinux scripts/selinux,selinux: update mdp to enable policy capabilities 2020-08-17 20:42:00 -04:00
tracing scripts/tracing: fix the bug that can't parse raw_trace_func 2021-08-12 13:22:12 +02:00
.gitignore kbuild: preprocess module linker script 2020-09-25 00:36:41 +09:00
adjust_autoksyms.sh UPSTREAM: kbuild: do not include include/config/auto.conf from adjust_autoksyms.sh 2022-11-09 13:57:12 +00:00
asn1_compiler.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
bin2c.c
bloat-o-meter scripts: switch explicitly to Python 3 2021-05-22 11:40:55 +02:00
bootgraph.pl treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 391 2019-06-05 17:37:11 +02:00
bpf_helpers_doc.py bpf: Add struct bpf_redir_neigh forward declaration to BPF helper defs 2020-10-29 15:19:04 +01:00
cc-can-link.sh
check_extable.sh
check-sysctl-docs docs: add a script to check sysctl docs 2020-02-25 03:35:16 -07:00
checkincludes.pl
checkkconfigsymbols.py kconfig: remove '---help---' support 2020-08-14 13:30:03 +09:00
checkpatch.pl checkpatch: fix unescaped left brace 2020-12-30 11:53:56 +01:00
checkstack.pl scripts/checkstack.pl: fix arm sp regex 2020-05-26 00:03:16 +09:00
checksyscalls.sh checksyscalls: fix up mq_timedreceive and stat exceptions 2019-02-19 21:27:53 +01:00
checkversion.pl
clang-version.sh kbuild: update comment block of scripts/clang-version.sh 2019-03-04 22:34:54 +09:00
cleanfile
cleanpatch
coccicheck scripts: coccicheck: Change default condition for parallelism 2020-10-12 10:37:56 +02:00
config tweewide: Fix most Shebang lines 2021-05-22 11:40:55 +02:00
const_structs.checkpatch const_structs.checkpatch: add pinctrl_ops and pinmux_ops 2020-10-16 11:11:21 -07:00
decode_stacktrace.sh scripts/decode_stacktrace.sh: guess path to vmlinux by release name 2020-08-07 11:33:21 -07:00
decodecode scripts/decodecode: add the capability to supply the program counter 2020-10-13 18:38:26 -07:00
depmod.sh ANDROID: Kbuild: Add support for KBUILD_MIXED_TREE 2021-04-15 10:28:24 +01:00
dev-needs.sh scripts/dev-needs: Add script to list device dependencies 2020-09-04 18:19:37 +02:00
diffconfig scripts: switch explicitly to Python 3 2021-05-22 11:40:55 +02:00
documentation-file-ref-check scripts: documentation-file-ref-check: Add line break before exit 2020-04-15 15:13:13 -06:00
export_report.pl modpost: move the namespace field in Module.symvers last 2020-03-17 08:59:03 +09:00
extract_xc3028.pl treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 339 2019-06-05 17:37:07 +02:00
extract-cert.c ANDROID: extract-cert: omit PKCS#11 support if building against BoringSSL 2020-11-27 10:56:35 +00:00
extract-ikconfig
extract-module-sig.pl
extract-sys-certs.pl
extract-vmlinux treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 378 2019-06-05 17:37:10 +02:00
faddr2line faddr2line: Fix overlapping text section failures, the sequel 2022-06-22 14:13:17 +02:00
file-size.sh
find-unused-docs.sh scripts/find-unused-docs: Fix massive false positives 2020-01-27 14:25:06 -07:00
gcc-goto.sh jump_label: move 'asm goto' support test to Kconfig 2019-01-06 09:46:51 +09:00
gcc-ld
gcc-version.sh kbuild: clean up scripts/gcc-version.sh 2019-03-04 22:35:04 +09:00
gcc-x86_32-has-stack-protector.sh
gcc-x86_64-has-stack-protector.sh
gen_autoksyms.sh BACKPORT: kbuild: fix UNUSED_KSYMS_WHITELIST for Clang LTO 2021-06-10 20:26:11 -07:00
gen_ksymdeps.sh kbuild: Fix 'no symbols' warning when CONFIG_TRIM_UNUSD_KSYMS=y 2021-09-18 13:40:16 +02:00
generate_cfi_kallsyms.pl ANDROID: Add missing CFI jump table symbols to kallsyms 2021-05-11 17:56:41 +00:00
generate_initcall_order.pl FROMLIST: init: lto: ensure initcall ordering 2020-12-16 08:56:33 -08:00
get_abi.pl tweewide: Fix most Shebang lines 2021-05-22 11:40:55 +02:00
get_dvb_firmware treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
get_maintainer.pl get_maintainer: exclude MAINTAINERS file(s) from --git-fallback 2020-10-16 11:11:19 -07:00
gfp-translate treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 166 2019-05-30 11:26:39 -07:00
headerdep.pl
headers_check.pl
headers_install.sh Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-08-07 13:29:39 -07:00
insert-sys-cert.c
jobserver-exec docs, parallelism: Rearrange how jobserver reservations are made 2019-11-22 10:35:18 -07:00
kallsyms.c kallsyms: fix nonconverging kallsyms table with lld 2021-02-17 11:02:24 +01:00
Kbuild.include kbuild: sink stdout from cmd for silent build 2021-07-25 14:36:12 +02:00
Kconfig.include kconfig: unify cc-option and as-option 2020-06-17 10:38:42 +09:00
kernel-doc scripts: kernel-doc: fix parsing function-like typedefs 2020-12-30 11:53:33 +01:00
ld-version.sh
leaking_addresses.pl leaking_addresses: Always print a trailing newline 2021-11-18 14:03:57 +01:00
Lindent
link-vmlinux.sh This is the 5.10.133 stable release 2022-08-02 13:26:52 -07:00
lld-version.sh scripts/lld-version.sh: Rewrite based on upstream ld-version.sh 2021-11-21 13:46:37 +01:00
Makefile certs: Add ability to preload revocation certs 2021-06-30 08:47:30 -04:00
Makefile.asm-generic kbuild: force all architectures except um to include mandatory-y 2019-03-17 12:56:32 +09:00
Makefile.build UPSTREAM: Kbuild: lto: fix module versionings mismatch in GNU make 3.X 2022-11-09 13:57:12 +00:00
Makefile.clean kbuild: introduce hostprogs-always-y and userprogs-always-y 2020-08-10 01:32:59 +09:00
Makefile.dtbinst kbuild: refactor Makefile.dtbinst more 2020-03-25 10:19:43 +09:00
Makefile.extrawarn Makefile.extrawarn: Move -Wunaligned-access to W=1 2022-02-16 12:54:30 +01:00
Makefile.gcc-plugins gcc-plugins/structleak: add makefile var for disabling structleak 2021-10-27 09:56:54 +02:00
Makefile.headersinst kbuild: move headers_check rule to usr/include/Makefile 2019-11-15 00:23:10 +09:00
Makefile.host kbuild: sort hostprogs before passing it to ifneq 2020-08-10 01:32:59 +09:00
Makefile.kasan Merge 5.10.33 into android12-5.10 2021-04-29 13:57:47 +02:00
Makefile.kcov kbuild: include scripts/Makefile.* only when relevant CONFIG is enabled 2020-08-10 01:32:59 +09:00
Makefile.kcsan Kbuild updates for v5.10 2020-10-22 13:13:57 -07:00
Makefile.lib This is the 5.10.133 stable release 2022-08-02 13:26:52 -07:00
Makefile.modfinal ANDROID: Add missing CFI jump table symbols to kallsyms 2021-05-11 17:56:41 +00:00
Makefile.modinst kbuild: modinst: read modules.order instead of $(MODVERDIR)/*.mod 2019-07-17 22:39:27 +09:00
Makefile.modpost ANDROID: modpost: Check for KBUILD_MIXED_TREE for Modules.symvers 2021-05-20 23:47:36 +00:00
Makefile.modsign kbuild: modsign: read modules.order instead of $(MODVERDIR)/*.mod 2019-07-17 22:39:27 +09:00
Makefile.package kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables 2020-06-11 20:14:41 +09:00
Makefile.ubsan This is the 5.10.111 stable release 2022-04-21 14:27:41 +02:00
Makefile.userprogs kbuild: add infrastructure to build userspace programs 2020-05-17 18:52:01 +09:00
makelst
markup_oops.pl treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 373 2019-06-05 17:37:10 +02:00
mkcompile_h kbuild: mkcompile_h: consider timestamp if KBUILD_BUILD_TIMESTAMP is set 2021-07-25 14:36:16 +02:00
mkmakefile kbuild: get rid of $(realpath ...) from scripts/mkmakefile 2019-08-29 23:54:29 +09:00
mksysmap mksysmap: Fix the mismatch of '.L' symbols in System.map 2020-06-06 23:39:20 +09:00
mkuboot.sh
module.lds.S kbuild: lto: Merge module sections if and only if CONFIG_LTO_CLANG is enabled 2022-02-23 12:01:00 +01:00
modules-check.sh kbuild: make module name conflict fatal error 2020-05-26 00:03:16 +09:00
nsdeps scripts: add dummy report mode to add_namespace.cocci 2020-07-10 14:19:58 +02:00
objdiff treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 199 2019-05-30 11:29:23 -07:00
parse-maintainers.pl parse-maintainers: Do not sort section content by default 2020-03-26 15:08:27 -07:00
patch-kernel
profile2linkerlist.pl
prune-kernel
recordmcount.c ftrace: Have recordmcount use w8 to read relp->r_info in arm64_is_fake_mcount 2021-03-09 11:11:14 +01:00
recordmcount.h recordmcount: Correct st_shndx handling 2021-06-30 08:47:23 -04:00
recordmcount.pl recordmcount.pl: fix typo in s390 mcount regex 2022-01-05 12:40:29 +01:00
setlocalversion ANDROID: setlocalversion: make KMI_GENERATION optional 2021-11-17 22:43:25 +00:00
show_delta tweewide: Fix most Shebang lines 2021-05-22 11:40:55 +02:00
sign-file.c
sorttable.c s390/kernel: expand exception table logic to allow new handling options 2020-07-20 10:55:50 +02:00
sorttable.h scripts/sorttable: Implement build-time ORC unwind table sorting 2019-12-13 10:47:58 +01:00
spdxcheck-test.sh scripts: add spdxcheck.py self test 2018-12-28 12:11:44 -08:00
spdxcheck.py scripts/spdxcheck.py: handle license identifiers in XML comments 2020-10-02 11:31:26 +02:00
spelling.txt Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2020-10-15 15:11:56 -07:00
sphinx-pre-install scripts: sphinx-pre-install: Fix ctex support on Debian 2022-01-27 10:54:36 +01:00
split-man.pl tweewide: Fix most Shebang lines 2021-05-22 11:40:55 +02:00
stackdelta
stackusage
subarch.include
tags.sh Merge branch 'locking/urgent' into locking/core, to pick up fixes 2020-10-09 08:55:17 +02:00
tools-support-relr.sh Makefile: fix GDB warning with CONFIG_RELR 2021-07-14 16:55:53 +02:00
unifdef.c unifdef: use memcpy instead of strncpy 2018-11-30 14:45:01 -08:00
ver_linux ver_linux: Query ld cache for versions of libc/libcpp run-time 2020-02-10 13:35:15 -08:00
xen-hypercalls.sh
xz_wrap.sh kbuild: add variables for compression tools 2020-06-06 23:42:01 +09:00