# git rev-parse -q --verify ac438771ccb4479528594c7e19f2c39cf1814a86^{commit}
ac438771ccb4479528594c7e19f2c39cf1814a86
already have revision, skipping fetch
# git checkout -q -f -B kisskb ac438771ccb4479528594c7e19f2c39cf1814a86
# git clean -qxdf
# < git log -1
# commit ac438771ccb4479528594c7e19f2c39cf1814a86
# Merge: 8c1b724ddb21 bfacd38f8d5b
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Apr 2 15:21:48 2020 -0700
# 
#     Merge branch 'for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
#     
#     Pull percpu updates from Dennis Zhou:
#      "This is just a few documentation fixes for percpu refcount and bitmap
#       helpers that went in v5.6, and moving my emails to all be at korg"
#     
#     * 'for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu:
#       percpu: update copyright emails to dennis@kernel.org
#       include/bitmap.h: add new functions to documentation
#       include/bitmap.h: add missing parameter in docs
#       percpu_ref: Fix comment regarding percpu_ref_init flags
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-ld --version
# < git log --format=%s --max-count=1 ac438771ccb4479528594c7e19f2c39cf1814a86
# < make -s -j 24 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-  defconfig
# < make -s -j 24 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-  help
# make -s -j 24 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-  olddefconfig
# make -s -j 24 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/s390-linux/bin/s390-linux-  
/kisskb/src/kernel/futex.c: In function 'do_futex':
/kisskb/src/kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized]
   return oldval == cmparg;
                 ^
/kisskb/src/kernel/futex.c:1652:6: note: 'oldval' was declared here
  int oldval, ret;
      ^
/kisskb/src/fs/btrfs/backref.c: In function 'is_shared_data_backref':
/kisskb/src/fs/btrfs/backref.c:394:9: warning: missing braces around initializer [-Wmissing-braces]
  struct prelim_ref target = {0};
         ^
/kisskb/src/fs/btrfs/backref.c:394:9: warning: (near initialization for 'target.rbnode') [-Wmissing-braces]
Completed OK
# rm -rf /kisskb/build/linus_s390-defconfig_s390x-gcc4.9
# Build took: 0:04:25.111729