# git rev-parse -q --verify 55db91fbaad9ea769d516e6867195808b4399894^{commit}
55db91fbaad9ea769d516e6867195808b4399894
already have revision, skipping fetch
# git checkout -q -f -B kisskb 55db91fbaad9ea769d516e6867195808b4399894
# git clean -qxdf
# < git log -1
# commit 55db91fbaad9ea769d516e6867195808b4399894
# Merge: 9ef10340749e 6ab7d47bcbf0
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Dec 29 10:13:23 2018 -0800
# 
#     Merge branch 'for-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
#     
#     Pull percpu update from Dennis Zhou:
#      "Michael Cree noted generic UP Alpha has been broken since v3.18. This
#       is a small fix for locking in UP percpu code that fixes the issue"
#     
#     * 'for-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu:
#       percpu: convert spin_lock_irq to spin_lock_irqsave.
# < /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 55db91fbaad9ea769d516e6867195808b4399894
# < make -s -j 48 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 48 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/umid.c: In function 'is_umdir_used':
/kisskb/src/arch/um/os-Linux/umid.c:138:2: warning: ISO C90 forbids variable length array 'file' [-Wvla]
  char file[strlen(uml_dir) + UMID_LEN + sizeof("/pid\0")];
  ^
/kisskb/src/arch/um/os-Linux/umid.c: In function 'create_pid_file':
/kisskb/src/arch/um/os-Linux/umid.c:213:2: warning: ISO C90 forbids variable length array 'file' [-Wvla]
  char file[strlen(uml_dir) + UMID_LEN + sizeof("/pid\0")];
  ^
/kisskb/src/arch/um/os-Linux/umid.c: In function 'remove_umid_dir':
/kisskb/src/arch/um/os-Linux/umid.c:388:2: warning: ISO C90 forbids variable length array 'dir' [-Wvla]
  char dir[strlen(uml_dir) + UMID_LEN + 1], err;
  ^
  LINK linux
Completed OK
# rm -rf /kisskb/build/linus_um-defconfig_um-x86_64
# Build took: 0:00:37.288447