# git rev-parse -q --verify 40a31da414c39e3cd8c4137c1ceedf59b7ffd4ce^{commit}
40a31da414c39e3cd8c4137c1ceedf59b7ffd4ce
already have revision, skipping fetch
# git checkout -q -f -B kisskb 40a31da414c39e3cd8c4137c1ceedf59b7ffd4ce
# git clean -qxdf
# < git log -1
# commit 40a31da414c39e3cd8c4137c1ceedf59b7ffd4ce
# Merge: e8af37f3f488 4e72ee887227
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Jan 11 09:44:05 2019 -0800
# 
#     Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
#     
#     Pull perf tooling updates from Ingo Molnar:
#      "Tooling changes only: fixes and a few stray improvements.
#     
#       Most of the diffstat is dominated by a PowerPC related fix of system
#       call trace output beautification that allows us to (again) use the
#       UAPI header version and sync up with the kernel's version of PowerPC
#       system call names in the arch/powerpc/kernel/syscalls/syscall.tbl
#       header"
#     
#     * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (36 commits)
#       tools headers powerpc: Remove unistd.h
#       perf powerpc: Rework syscall table generation
#       perf symbols: Add 'arch_cpu_idle' to the list of kernel idle symbols
#       tools include uapi: Sync linux/if_link.h copy with the kernel sources
#       tools include uapi: Sync linux/vhost.h with the kernel sources
#       tools include uapi: Sync linux/fs.h copy with the kernel sources
#       perf beauty: Switch from using uapi/linux/fs.h to uapi/linux/mount.h
#       tools include uapi: Grab a copy of linux/mount.h
#       perf top: Lift restriction on using callchains without "sym" in --sort
#       tools lib traceevent: Remove tep_data_event_from_type() API
#       tools lib traceevent: Rename tep_is_file_bigendian() to tep_file_bigendian()
#       tools lib traceevent: Changed return logic of tep_register_event_handler() API
#       tools lib traceevent: Changed return logic of trace_seq_printf() and trace_seq_vprintf() APIs
#       tools lib traceevent: Rename struct cmdline to struct tep_cmdline
#       tools lib traceevent: Initialize host_bigendian at tep_handle allocation
#       tools lib traceevent: Introduce new libtracevent API: tep_override_comm()
#       perf tests: Add a test for the ARM 32-bit [vectors] page
#       perf tools: Make find_vdso_map() more modular
#       perf trace: Fix alignment for [continued] lines
#       perf trace: Fix ')' placement in "interrupted" syscall lines
#       ...
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version
# < git log --format=%s --max-count=1 40a31da414c39e3cd8c4137c1ceedf59b7ffd4ce
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_powerpc-allnoconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  allnoconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_powerpc-allnoconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/linus_powerpc-allnoconfig_powerpc-gcc4.6
# Build took: 0:00:11.451265