# git rev-parse -q --verify 3dd52b69caf46fc42796d9422001d9a66b7addd1^{commit}
3dd52b69caf46fc42796d9422001d9a66b7addd1
already have revision, skipping fetch
# git checkout -q -f -B kisskb 3dd52b69caf46fc42796d9422001d9a66b7addd1
# git clean -qxdf
# < git log -1
# commit 3dd52b69caf46fc42796d9422001d9a66b7addd1
# Merge: b5f3d992b149 dfb9b69e3b84
# Author: Ingo Molnar <mingo@kernel.org>
# Date:   Sat Feb 15 09:36:29 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 3dd52b69caf46fc42796d9422001d9a66b7addd1
# < make -s -j 48 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 48 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/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/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/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: 0:00:15.392783