# git rev-parse -q --verify af17b3aa1fea3a87d81b499b3039a4b76a668d87^{commit}
af17b3aa1fea3a87d81b499b3039a4b76a668d87
already have revision, skipping fetch
# git checkout -q -f -B kisskb af17b3aa1fea3a87d81b499b3039a4b76a668d87
# git clean -qxdf
# < git log -1
# commit af17b3aa1fea3a87d81b499b3039a4b76a668d87
# Merge: 82ec752cce8b befb1b3c2703
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Sat Sep 29 11:32:03 2018 -0700
# 
#     Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
#     
#     Thomas writes:
#       "A single fix for a missing sanity check when a pinned event is tried
#       to be read on the wrong CPU due to a legit event scheduling failure."
#     
#     * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
#       perf/core: Add sanity check to deal with pinned event failure
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-gcc --version
# < git log --format=%s --max-count=1 af17b3aa1fea3a87d81b499b3039a4b76a668d87
# < make -s -j 48 ARCH=sparc64 O=/kisskb/build/linus_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  defconfig
# make -s -j 48 ARCH=sparc64 O=/kisskb/build/linus_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  
<stdin>:1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp]
<stdin>:1335:2: warning: #warning syscall rseq not implemented [-Wcpp]
WARNING: EXPORT symbol "_mcount" [vmlinux] version generation failed, symbol will not be versioned.
WARNING: EXPORT symbol "_mcount" [vmlinux] version generation failed, symbol will not be versioned.
  kernel: arch/sparc/boot/image is ready
  kernel: arch/sparc/boot/zImage is ready
Completed OK
# rm -rf /kisskb/build/linus_sparc64-defconfig_sparc64
# Build took: 0:01:01.937210