# git rev-parse -q --verify a84ca704d8306a949578d36c028c8e1bab3dcf0b^{commit}
a84ca704d8306a949578d36c028c8e1bab3dcf0b
already have revision, skipping fetch
# git checkout -q -f -B kisskb a84ca704d8306a949578d36c028c8e1bab3dcf0b
# git clean -qxdf
# < git log -1
# commit a84ca704d8306a949578d36c028c8e1bab3dcf0b
# Author: Haowen Bai <baihaowen@meizu.com>
# Date:   Sun Apr 24 16:26:41 2022 +0800
# 
#     selftests/powerpc/pmu: Fix unsigned function returning negative constant
#     
#     The function __perf_reg_mask has an unsigned return type, but returns a
#     negative constant to indicate an error condition. So we change unsigned
#     to int.
#     
#     Signed-off-by: Haowen Bai <baihaowen@meizu.com>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/1650788802-14402-1-git-send-email-baihaowen@meizu.com
# < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/sparc64-linux/bin/sparc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/sparc64-linux/bin/sparc64-linux-ld --version
# < git log --format=%s --max-count=1 a84ca704d8306a949578d36c028c8e1bab3dcf0b
# < make -s -j 32 ARCH=sparc64 O=/kisskb/build/powerpc-next_sparc64-defconfig_sparc64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/sparc64-linux/bin/sparc64-linux-  defconfig
# < make -s -j 32 ARCH=sparc64 O=/kisskb/build/powerpc-next_sparc64-defconfig_sparc64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/sparc64-linux/bin/sparc64-linux-  help
# make -s -j 32 ARCH=sparc64 O=/kisskb/build/powerpc-next_sparc64-defconfig_sparc64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/sparc64-linux/bin/sparc64-linux-  olddefconfig
# make -s -j 32 ARCH=sparc64 O=/kisskb/build/powerpc-next_sparc64-defconfig_sparc64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/sparc64-linux/bin/sparc64-linux-  
<stdin>:1517:2: warning: #warning syscall clone3 not implemented [-Wcpp]
WARNING: modpost: EXPORT symbol "_mcount" [vmlinux] version generation failed, symbol will not be versioned.
Is "_mcount" prototyped in <asm/asm-prototypes.h>?
  kernel: arch/sparc/boot/image is ready
  kernel: arch/sparc/boot/zImage is ready
Completed OK
# rm -rf /kisskb/build/powerpc-next_sparc64-defconfig_sparc64-gcc11
# Build took: 0:01:56.662503