# git rev-parse -q --verify 7f2444d38f6bbfa12bc15e2533d8f9daa85ca02b^{commit}
7f2444d38f6bbfa12bc15e2533d8f9daa85ca02b
already have revision, skipping fetch
# git checkout -q -f -B kisskb 7f2444d38f6bbfa12bc15e2533d8f9daa85ca02b
# git clean -qxdf
# < git log -1
# commit 7f2444d38f6bbfa12bc15e2533d8f9daa85ca02b
# Merge: c5f12fdb8bd8 77b4b5420422
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Tue Sep 17 12:35:15 2019 -0700
# 
#     Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
#     
#     Pull core timer updates from Thomas Gleixner:
#      "Timers and timekeeping updates:
#     
#        - A large overhaul of the posix CPU timer code which is a preparation
#          for moving the CPU timer expiry out into task work so it can be
#          properly accounted on the task/process.
#     
#          An update to the bogus permission checks will come later during the
#          merge window as feedback was not complete before heading of for
#          travel.
#     
#        - Switch the timerqueue code to use cached rbtrees and get rid of the
#          homebrewn caching of the leftmost node.
#     
#        - Consolidate hrtimer_init() + hrtimer_init_sleeper() calls into a
#          single function
#     
#        - Implement the separation of hrtimers to be forced to expire in hard
#          interrupt context even when PREEMPT_RT is enabled and mark the
#          affected timers accordingly.
#     
#        - Implement a mechanism for hrtimers and the timer wheel to protect
#          RT against priority inversion and live lock issues when a (hr)timer
#          which should be canceled is currently executing the callback.
#          Instead of infinitely spinning, the task which tries to cancel the
#          timer blocks on a per cpu base expiry lock which is held and
#          released by the (hr)timer expiry code.
#     
#        - Enable the Hyper-V TSC page based sched_clock for Hyper-V guests
#          resulting in faster access to timekeeping functions.
#     
#        - Updates to various clocksource/clockevent drivers and their device
#          tree bindings.
#     
#        - The usual small improvements all over the place"
#     
#     * 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (101 commits)
#       posix-cpu-timers: Fix permission check regression
#       posix-cpu-timers: Always clear head pointer on dequeue
#       hrtimer: Add a missing bracket and hide `migration_base' on !SMP
#       posix-cpu-timers: Make expiry_active check actually work correctly
#       posix-timers: Unbreak CONFIG_POSIX_TIMERS=n build
#       tick: Mark sched_timer to expire in hard interrupt context
#       hrtimer: Add kernel doc annotation for HRTIMER_MODE_HARD
#       x86/hyperv: Hide pv_ops access for CONFIG_PARAVIRT=n
#       posix-cpu-timers: Utilize timerqueue for storage
#       posix-cpu-timers: Move state tracking to struct posix_cputimers
#       posix-cpu-timers: Deduplicate rlimit handling
#       posix-cpu-timers: Remove pointless comparisons
#       posix-cpu-timers: Get rid of 64bit divisions
#       posix-cpu-timers: Consolidate timer expiry further
#       posix-cpu-timers: Get rid of zero checks
#       rlimit: Rewrite non-sensical RLIMIT_CPU comment
#       posix-cpu-timers: Respect INFINITY for hard RTTIME limit
#       posix-cpu-timers: Switch thread group sampling to array
#       posix-cpu-timers: Restructure expiry array
#       posix-cpu-timers: Remove cputime_expires
#       ...
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 7f2444d38f6bbfa12bc15e2533d8f9daa85ca02b
# < make -s -j 24 ARCH=powerpc O=/kisskb/build/linus_pseries_le_defconfig+NO_NUMA_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  pseries_le_defconfig
# Added to kconfig CONFIG_NUMA=n
# yes \n | make -s -j 24 ARCH=powerpc O=/kisskb/build/linus_pseries_le_defconfig+NO_NUMA_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 24 ARCH=powerpc O=/kisskb/build/linus_pseries_le_defconfig+NO_NUMA_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
/kisskb/src/kernel/futex.c: In function 'do_futex':
/kisskb/src/kernel/futex.c:1674:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized]
   return oldval == cmparg;
                 ^
/kisskb/src/kernel/futex.c:1649:6: note: 'oldval' was declared here
  int oldval, ret;
      ^
WARNING: vmlinux.o(.text+0x31fc): Section mismatch in reference from the variable __boot_from_prom to the function .init.text:prom_init()
The function __boot_from_prom() references
the function __init prom_init().
This is often because __boot_from_prom lacks a __init 
annotation or the annotation of prom_init is wrong.

WARNING: vmlinux.o(.text+0x33d0): Section mismatch in reference from the variable start_here_common to the function .init.text:start_kernel()
The function start_here_common() references
the function __init start_kernel().
This is often because start_here_common lacks a __init 
annotation or the annotation of start_kernel is wrong.

Completed OK
# rm -rf /kisskb/build/linus_pseries_le_defconfig+NO_NUMA_ppc64le-gcc5
# Build took: 0:03:29.167427