# git rev-parse -q --verify 55dd3d30e300c25ede33528fc3775634125b89fd^{commit}
55dd3d30e300c25ede33528fc3775634125b89fd
already have revision, skipping fetch
# git checkout -q -f -B kisskb 55dd3d30e300c25ede33528fc3775634125b89fd
# git clean -qxdf
# < git log -1
# commit 55dd3d30e300c25ede33528fc3775634125b89fd
# Merge: 42a6a5835f46 564200ed8e71
# Author: Ingo Molnar <mingo@kernel.org>
# Date:   Tue Mar 24 10:15:57 2020 +0100
# 
#     Merge branch 'perf/urgent'
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 55dd3d30e300c25ede33528fc3775634125b89fd
# < make -s -j 80 ARCH=x86_64 O=/kisskb/build/tip_x86_64-allnoconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  allnoconfig
# < make -s -j 80 ARCH=x86_64 O=/kisskb/build/tip_x86_64-allnoconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  help
# make -s -j 80 ARCH=x86_64 O=/kisskb/build/tip_x86_64-allnoconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  olddefconfig
# make -s -j 80 ARCH=x86_64 O=/kisskb/build/tip_x86_64-allnoconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq':
/kisskb/src/arch/x86/kernel/apic/io_apic.c:1037:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap':
/kisskb/src/arch/x86/kernel/e820.c:665:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/tip_x86_64-allnoconfig_x86_64-gcc4.6
# Build took: 0:00:20.732864