# git rev-parse -q --verify 223cea6a4f0552b86fb25e3b8bbd00469816cd7a^{commit}
223cea6a4f0552b86fb25e3b8bbd00469816cd7a
already have revision, skipping fetch
# git checkout -q -f -B kisskb 223cea6a4f0552b86fb25e3b8bbd00469816cd7a
# git clean -qxdf
# < git log -1
# commit 223cea6a4f0552b86fb25e3b8bbd00469816cd7a
# Merge: 2f0f6503e375 993773d11d45
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Mon Jul 8 12:23:00 2019 -0700
# 
#     Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
#     
#     Pull x86 pti updates from Thomas Gleixner:
#      "The speculative paranoia departement delivers a few more plugs for
#       possible (probably theoretical) spectre/mds leaks"
#     
#     * 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
#       x86/tls: Fix possible spectre-v1 in do_get_thread_area()
#       x86/ptrace: Fix possible spectre-v1 in ptrace_get_debugreg()
#       x86/speculation/mds: Eliminate leaks by trace_hardirqs_on()
# < /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 223cea6a4f0552b86fb25e3b8bbd00469816cd7a
# < make -s -j 24 ARCH=powerpc O=/kisskb/build/linus_ppc64le_defconfig_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  ppc64le_defconfig
# make -s -j 24 ARCH=powerpc O=/kisskb/build/linus_ppc64le_defconfig_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:1645:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized]
   return oldval == cmparg;
                 ^
/kisskb/src/kernel/futex.c:1620:6: note: 'oldval' was declared here
  int oldval, ret;
      ^
WARNING: vmlinux.o(.text+0x3484): 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+0x3734): Section mismatch in reference from the variable start_here_multiplatform to the function .init.text:early_setup()
The function start_here_multiplatform() references
the function __init early_setup().
This is often because start_here_multiplatform lacks a __init 
annotation or the annotation of early_setup is wrong.

WARNING: vmlinux.o(.text+0x3770): 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_ppc64le_defconfig_ppc64le-gcc5
# Build took: 0:03:28.772514