# git rev-parse -q --verify b85080c106b1290eaebf100ee97babef833047d8^{commit}
b85080c106b1290eaebf100ee97babef833047d8
already have revision, skipping fetch
# git checkout -q -f -B kisskb b85080c106b1290eaebf100ee97babef833047d8
# git clean -qxdf
# < git log -1
# commit b85080c106b1290eaebf100ee97babef833047d8
# Merge: c9d35ee049b4 0a061743af93
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Feb 8 13:44:41 2020 -0800
# 
#     Merge tag 'compat-ioctl-fix' of git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground
#     
#     Pull compat-ioctl fix from Arnd Bergmann:
#      "One patch in the compat-ioctl series broke 32-bit rootfs for multiple
#       people testing on 64-bit kernels. Let's fix it in -rc1 before others
#       run into the same issue"
#     
#     * tag 'compat-ioctl-fix' of git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground:
#       compat_ioctl: fix FIONREAD on devices
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-ld --version
# < git log --format=%s --max-count=1 b85080c106b1290eaebf100ee97babef833047d8
# < make -s -j 80 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-  defconfig
# make -s -j 80 ARCH=s390 O=/kisskb/build/linus_s390-defconfig_s390x CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/s390x-linux/bin/s390x-linux-  
/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/kernel/sched/core.c: In function 'try_to_wake_up':
/kisskb/src/kernel/sched/core.c:2650:12: warning: 'cpu' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/proc/inode.c: In function 'proc_reg_open':
/kisskb/src/fs/proc/inode.c:374:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/arch/s390/kernel/unwind_bc.c: In function '__unwind_start':
/kisskb/src/arch/s390/kernel/unwind_bc.c:164:5: warning: 'ip' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/ext4/extents.c: In function 'ext4_convert_unwritten_io_end_vec':
/kisskb/src/fs/ext4/extents.c:5009:23: warning: 'ret' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/kernel/trace/trace_events.c: In function 'event_create_dir':
/kisskb/src/kernel/trace/trace_events.c:2040:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/gfs2/lops.c: In function 'gfs2_find_jhead':
/kisskb/src/fs/gfs2/lops.c:564:8: warning: 'off' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/core/devlink.c: In function 'devlink_fmsg_prepare_skb':
/kisskb/src/net/core/devlink.c:4613:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/kernel/bpf/bpf_struct_ops.c: In function 'bpf_struct_ops_init':
/kisskb/src/kernel/bpf/bpf_struct_ops.c:197:1: warning: the frame size of 1192 bytes is larger than 1024 bytes [-Wframe-larger-than=]
/kisskb/src/fs/ocfs2/alloc.c: In function 'ocfs2_trim_mainbm':
/kisskb/src/fs/ocfs2/alloc.c:7608:17: warning: 'first_bit' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc':
/kisskb/src/fs/nfsd/nfs4xdr.c:2151:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/nfsd/nfs4xdr.c:2156:42: warning: 'end' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page':
/kisskb/src/mm/hugetlb.c:1426:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/kernel/padata.c: In function 'padata_replace':
/kisskb/src/kernel/padata.c:539:2: warning: 'err' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/io_uring.c: In function '__io_sqe_files_update':
/kisskb/src/fs/io_uring.c:5749:13: warning: 'err' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/tun.c: In function 'tun_get_user':
/kisskb/src/drivers/net/tun.c:1836:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/tun.c:1749:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/bridge/br_netlink.c: In function 'br_process_vlan_info':
/kisskb/src/net/bridge/br_netlink.c:571:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/linus_s390-defconfig_s390x
# Build took: 0:05:17.031718