# git rev-parse -q --verify f4b3974602a5b527b22c3a0dc61ba71190ea2aa5^{commit}
f4b3974602a5b527b22c3a0dc61ba71190ea2aa5
already have revision, skipping fetch
# git checkout -q -f -B kisskb f4b3974602a5b527b22c3a0dc61ba71190ea2aa5
# git clean -qxdf
# < git log -1
# commit f4b3974602a5b527b22c3a0dc61ba71190ea2aa5
# Merge: 1413c361328c 2a1f40adfb54
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Dec 27 11:30:26 2019 -0800
# 
#     Merge tag 'linux-kselftest-5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
#     
#     Pull Kselftest fixes from Shuah Khan:
#     
#      - rseq build failures fixes related to glibc 2.30 compatibility from
#        Mathieu Desnoyers
#     
#      - Kunit fixes and cleanups from SeongJae Park
#     
#      - Fixes to filesystems/epoll, firmware, and livepatch build failures
#        and skip handling.
#     
#     * tag 'linux-kselftest-5.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
#       rseq/selftests: Clarify rseq_prepare_unload() helper requirements
#       rseq/selftests: Fix: Namespace gettid() for compatibility with glibc 2.30
#       rseq/selftests: Turn off timeout setting
#       kunit/kunit_tool_test: Test '--build_dir' option run
#       kunit: Rename 'kunitconfig' to '.kunitconfig'
#       kunit: Place 'test.log' under the 'build_dir'
#       kunit: Create default config in '--build_dir'
#       kunit: Remove duplicated defconfig creation
#       docs/kunit/start: Use in-tree 'kunit_defconfig'
#       selftests: livepatch: Fix it to do root uid check and skip
#       selftests: firmware: Fix it to do root uid check and skip
#       selftests: filesystems/epoll: fix build error
# < /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 f4b3974602a5b527b22c3a0dc61ba71190ea2aa5
# < make -s -j 48 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 48 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/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/kernel/sched/core.c: In function 'try_to_wake_up':
/kisskb/src/kernel/sched/core.c:2649:12: warning: 'cpu' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page':
/kisskb/src/mm/hugetlb.c:1377:5: warning: 'page' 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:5054:23: warning: 'ret' 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/net/bridge/br_netlink.c: In function 'br_process_vlan_info.isra.31':
/kisskb/src/net/bridge/br_netlink.c:587:10: warning: 'err' 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:2076:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/nfsd/nfs4xdr.c:2081:42: warning: 'end' may be used uninitialized in this function [-Wuninitialized]
/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/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/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]
Completed OK
# rm -rf /kisskb/build/linus_s390-defconfig_s390x
# Build took: 0:04:11.663184