# git rev-parse -q --verify 60ecfddd7a092f9cbd2398dbc55da3abbb803ff0^{commit}
# git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-kbuild.git for-next
# git rev-parse -q --verify 60ecfddd7a092f9cbd2398dbc55da3abbb803ff0^{commit}
60ecfddd7a092f9cbd2398dbc55da3abbb803ff0
# git checkout -q -f -B kisskb 60ecfddd7a092f9cbd2398dbc55da3abbb803ff0
# git clean -qxdf
# < git log -1
# commit 60ecfddd7a092f9cbd2398dbc55da3abbb803ff0
# Author: Masahiro Yamada <masahiroy@kernel.org>
# Date:   Fri Sep 16 15:29:53 2022 +0900
# 
#     linux/export: use inline assembler to populate symbol CRCs
#     
#     Since commit 7b4537199a4a ("kbuild: link symbol CRCs at final link,
#     removing CONFIG_MODULE_REL_CRCS"), the module versioning on the
#     (non-upstreamed-yet) kvx Linux port is broken due to unexpected padding
#     for __crc_* symbols. The kvx GCC adds padding so u32 gets 8-byte
#     alignment instead of 4.
#     
#     I do not know if this happens for upstream architectures in general,
#     but any compiler has the freedom to insert padding for faster access.
#     
#     Use the inline assembler to directly specify the wanted data layout.
#     This is how we previously did before the breakage.
#     
#     Link: https://lore.kernel.org/lkml/20220817161438.32039-1-ysionneau@kalray.eu/
#     Link: https://lore.kernel.org/linux-kbuild/31ce5305-a76b-13d7-ea55-afca82c46cf2@kalray.eu/
#     Fixes: 7b4537199a4a ("kbuild: link symbol CRCs at final link, removing CONFIG_MODULE_REL_CRCS")
#     Reported-by: Yann Sionneau <ysionneau@kalray.eu>
#     Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
#     Tested-by: Yann Sionneau <ysionneau@kalray.eu>
# < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/aarch64-linux/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/aarch64-linux/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 60ecfddd7a092f9cbd2398dbc55da3abbb803ff0
# < make -s -j 48 ARCH=arm64 O=/kisskb/build/kbuild_arm64-defconfig_arm64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  defconfig
# < make -s -j 48 ARCH=arm64 O=/kisskb/build/kbuild_arm64-defconfig_arm64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  help
# make -s -j 48 ARCH=arm64 O=/kisskb/build/kbuild_arm64-defconfig_arm64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  olddefconfig
# make -s -j 48 ARCH=arm64 O=/kisskb/build/kbuild_arm64-defconfig_arm64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  
Completed OK
# rm -rf /kisskb/build/kbuild_arm64-defconfig_arm64-gcc11
# Build took: 0:10:02.241509