# git rev-parse -q --verify 0513e464f9007b70b96740271a948ca5ab6e7dd7^{commit}
0513e464f9007b70b96740271a948ca5ab6e7dd7
already have revision, skipping fetch
# git checkout -q -f -B kisskb 0513e464f9007b70b96740271a948ca5ab6e7dd7
# git clean -qxdf
# < git log -1
# commit 0513e464f9007b70b96740271a948ca5ab6e7dd7
# Merge: 9cccec2bf32f 4da8b121884d
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Mon Sep 27 14:06:42 2021 -0700
# 
#     Merge tag 'perf-tools-fixes-for-v5.15-2021-09-27' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
#     
#     Pull more perf tools fixes from Arnaldo Carvalho de Melo:
#     
#      - Fix 'perf test' DWARF unwind for optimized builds.
#     
#      - Fix 'perf test' 'Object code reading' when dealing with samples in
#        @plt symbols.
#     
#      - Fix off-by-one directory paths in the ARM support code.
#     
#      - Fix error message to eliminate confusion in 'perf config' when first
#        creating a config file.
#     
#      - 'perf iostat' fix for system wide operation.
#     
#      - Fix printing of metrics when 'perf iostat' is used with one or more
#        iio_root_ports and unconnected cpus (using -C).
#     
#      - Fix several typos in the documentation files.
#     
#      - Fix spelling mistake "icach" -> "icache" in the power8 JSON vendor
#        files.
#     
#     * tag 'perf-tools-fixes-for-v5.15-2021-09-27' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
#       perf iostat: Fix Segmentation fault from NULL 'struct perf_counts_values *'
#       perf iostat: Use system-wide mode if the target cpu_list is unspecified
#       perf config: Refine error message to eliminate confusion
#       perf doc: Fix typos all over the place
#       perf arm: Fix off-by-one directory paths.
#       perf vendor events powerpc: Fix spelling mistake "icach" -> "icache"
#       perf tests: Fix flaky test 'Object code reading'
#       perf test: Fix DWARF unwind for optimized builds.
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-gcc --version
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-ld --version
# < git log --format=%s --max-count=1 0513e464f9007b70b96740271a948ca5ab6e7dd7
# < make -s -j 32 ARCH=sparc O=/kisskb/build/linus_sparc-allmodconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  allmodconfig
# Added to kconfig CONFIG_64BIT=n
# Added to kconfig CONFIG_BUILD_DOCSRC=n
# Added to kconfig CONFIG_HAVE_FTRACE_MCOUNT_RECORD=n
# Added to kconfig CONFIG_SAMPLES=n
# Added to kconfig CONFIG_MODULE_SIG=n
# < make -s -j 32 ARCH=sparc O=/kisskb/build/linus_sparc-allmodconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  help
# make -s -j 32 ARCH=sparc O=/kisskb/build/linus_sparc-allmodconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  olddefconfig
# make -s -j 32 ARCH=sparc O=/kisskb/build/linus_sparc-allmodconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  
<stdin>:1515:2: warning: #warning syscall clone3 not implemented [-Wcpp]
/kisskb/src/drivers/tty/serial/sunzilog.c:1128:13: error: 'sunzilog_putchar' defined but not used [-Werror=unused-function]
 static void sunzilog_putchar(struct uart_port *port, int ch)
             ^
cc1: all warnings being treated as errors
make[4]: *** [/kisskb/src/scripts/Makefile.build:277: drivers/tty/serial/sunzilog.o] Error 1
make[4]: *** Waiting for unfinished jobs....
make[3]: *** [/kisskb/src/scripts/Makefile.build:540: drivers/tty/serial] Error 2
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [/kisskb/src/scripts/Makefile.build:540: drivers/tty] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/kisskb/src/Makefile:1868: drivers] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:219: __sub-make] Error 2
Command 'make -s -j 32 ARCH=sparc O=/kisskb/build/linus_sparc-allmodconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus_sparc-allmodconfig_sparc64
# Build took: 0:03:26.155048