# git rev-parse -q --verify 10b82d5176488acee2820e5a2cf0f2ec5c3488b6^{commit}
10b82d5176488acee2820e5a2cf0f2ec5c3488b6
already have revision, skipping fetch
# git checkout -q -f -B kisskb 10b82d5176488acee2820e5a2cf0f2ec5c3488b6
# git clean -qxdf
# < git log -1
# commit 10b82d5176488acee2820e5a2cf0f2ec5c3488b6
# Merge: 4c0449c906fe b3b33d3c43bb
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Sep 17 18:05:29 2020 -0700
# 
#     Merge branch 'for-5.9-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
#     
#     Pull percpu fix from Dennis Zhou:
#      "This is a fix for the first chunk size calculation where the variable
#       length array incorrectly used the number of longs instead of bytes of
#       longs.
#     
#       This came in as a code fix and not a bug report, so I don't think it
#       was widely problematic. I believe it worked out due to it being
#       memblock memory and alignment requirements working in our favor"
#     
#     * 'for-5.9-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu:
#       percpu: fix first chunk size calculation for populated bitmap
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 10b82d5176488acee2820e5a2cf0f2ec5c3488b6
# < make -s -j 24 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 defconfig
# < make -s -j 24 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 help
# make -s -j 24 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 olddefconfig
# make -s -j 24 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 
/kisskb/src/arch/um/os-Linux/signal.c: In function 'sig_handler_common':
/kisskb/src/arch/um/os-Linux/signal.c:51:1: warning: the frame size of 2960 bytes is larger than 1024 bytes [-Wframe-larger-than=]
 }
 ^
/kisskb/src/arch/um/os-Linux/signal.c: In function 'timer_real_alarm_handler':
/kisskb/src/arch/um/os-Linux/signal.c:95:1: warning: the frame size of 2960 bytes is larger than 1024 bytes [-Wframe-larger-than=]
 }
 ^
  LINK linux
Completed OK
# rm -rf /kisskb/build/linus_um-defconfig_um-x86_64
# Build took: 0:00:51.707524