# git rev-parse -q --verify 20210a98463e2abac31676ee141459fc23252927^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify 20210a98463e2abac31676ee141459fc23252927^{commit}
20210a98463e2abac31676ee141459fc23252927
# git checkout -q -f -B kisskb 20210a98463e2abac31676ee141459fc23252927
# git clean -qxdf
# < git log -1
# commit 20210a98463e2abac31676ee141459fc23252927
# Merge: 688daed2e5da 5625dcfbbcf8
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Jan 10 13:24:55 2021 -0800
# 
#     Merge tag 'kbuild-fixes-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
#     
#     Pull Kbuild fixes from Masahiro Yamada:
#     
#      - Search for <ncurses.h> in the default header path of HOSTCC
#     
#      - Tweak the option order to be kind to old BSD awk
#     
#      - Remove 'kvmconfig' and 'xenconfig' shorthands
#     
#      - Fix documentation
#     
#     * tag 'kbuild-fixes-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
#       Documentation: kbuild: Fix section reference
#       kconfig: remove 'kvmconfig' and 'xenconfig' shorthands
#       lib/raid6: Let $(UNROLL) rules work with macOS userland
#       kconfig: Support building mconf with vendor sysroot ncurses
#       kconfig: config script: add a little user help
#       MAINTAINERS: adjust GCC PLUGINS after gcc-plugin.sh removal
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 20210a98463e2abac31676ee141459fc23252927
# < make -s -j 8 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  randconfig
KCONFIG_SEED=0x5D7EA28A
# Added to kconfig CONFIG_STANDALONE=y
# Added to kconfig CONFIG_BUILD_DOCSRC=n
# Added to kconfig CONFIG_MODULE_SIG=n
# Added to kconfig CONFIG_CPU_BIG_ENDIAN=y
# Added to kconfig CONFIG_PPC64=y
# Added to kconfig CONFIG_PPC_DISABLE_WERROR=y
# Added to kconfig CONFIG_SECTION_MISMATCH_WARN_ONLY=y
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n
# Added to kconfig CONFIG_GCC_PLUGINS=n
# Added to kconfig CONFIG_LD_HEAD_STUB_CATCH=y
# Added to kconfig CONFIG_TRIM_UNUSED_KSYMS=n
# Added to kconfig CONFIG_UBSAN=n
# < make -s -j 8 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 8 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
.config:4771:warning: override: reassigning to symbol CPU_BIG_ENDIAN
.config:4771:warning: override: CPU_BIG_ENDIAN changes choice state
.config:4773:warning: override: reassigning to symbol PPC_DISABLE_WERROR
.config:4774:warning: override: reassigning to symbol SECTION_MISMATCH_WARN_ONLY
.config:4775:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
.config:4778:warning: override: reassigning to symbol LD_HEAD_STUB_CATCH
.config:4780:warning: override: reassigning to symbol UBSAN
# make -s -j 8 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  
/kisskb/src/arch/powerpc/kernel/eeh.c:1571:12: warning: 'proc_eeh_show' defined but not used [-Wunused-function]
 static int proc_eeh_show(struct seq_file *m, void *v)
            ^
In file included from <command-line>:0:0:
/kisskb/src/mm/mremap.c: In function 'get_extent':
/kisskb/src/include/linux/compiler_types.h:320:38: error: call to '__compiletime_assert_319' declared with attribute error: BUILD_BUG failed
  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
                                      ^
/kisskb/src/include/linux/compiler_types.h:301:4: note: in definition of macro '__compiletime_assert'
    prefix ## suffix();    \
    ^
/kisskb/src/include/linux/compiler_types.h:320:2: note: in expansion of macro '_compiletime_assert'
  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
  ^
/kisskb/src/include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
 #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                     ^
/kisskb/src/include/linux/build_bug.h:59:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
 #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
                     ^
/kisskb/src/mm/mremap.c:355:3: note: in expansion of macro 'BUILD_BUG'
   BUILD_BUG();
   ^
make[2]: *** [/kisskb/src/scripts/Makefile.build:279: mm/mremap.o] Error 1
make[1]: *** [/kisskb/src/Makefile:1805: mm] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:185: __sub-make] Error 2
Command 'make -s -j 8 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.9
# Build took: 0:00:49.138978