# git rev-parse -q --verify cb6f8739fbf98203d0fb0bc2c2dbbec0ddfe978a^{commit}
cb6f8739fbf98203d0fb0bc2c2dbbec0ddfe978a
already have revision, skipping fetch
# git checkout -q -f -B kisskb cb6f8739fbf98203d0fb0bc2c2dbbec0ddfe978a
# git clean -qxdf
# < git log -1
# commit cb6f8739fbf98203d0fb0bc2c2dbbec0ddfe978a
# Merge: ff8583d6e4e3 de6da1e8bcf0
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun May 19 12:15:32 2019 -0700
# 
#     Merge branch 'akpm' (patches from Andrew)
#     
#     Merge yet more updates from Andrew Morton:
#      "A few final bits:
#     
#        - large changes to vmalloc, yielding large performance benefits
#     
#        - tweak the console-flush-on-panic code
#     
#        - a few fixes"
#     
#     * emailed patches from Andrew Morton <akpm@linux-foundation.org>:
#       panic: add an option to replay all the printk message in buffer
#       initramfs: don't free a non-existent initrd
#       fs/writeback.c: use rcu_barrier() to wait for inflight wb switches going into workqueue when umount
#       mm/compaction.c: correct zone boundary handling when isolating pages from a pageblock
#       mm/vmap: add DEBUG_AUGMENT_LOWEST_MATCH_CHECK macro
#       mm/vmap: add DEBUG_AUGMENT_PROPAGATE_CHECK macro
#       mm/vmalloc.c: keep track of free blocks for vmap allocation
# < /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 cb6f8739fbf98203d0fb0bc2c2dbbec0ddfe978a
# < 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:193:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page':
/kisskb/src/mm/hugetlb.c:1464:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/proc/inode.c: In function 'proc_reg_open':
/kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/proc/inode.c:331:21: note: 'pdeo' was declared here
/kisskb/src/drivers/s390/scsi/zfcp_erp.c: In function 'zfcp_erp_setup_act':
/kisskb/src/drivers/s390/scsi/zfcp_erp.c:262:2: warning: 'erp_action' 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:1851:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/tun.c:1764:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized]
WARNING: vmlinux.o(.text.unlikely+0x20): Section mismatch in reference from the function populate_initrd_image() to the variable .init.ramfs.info:__initramfs_size
The function populate_initrd_image() references
the variable __init __initramfs_size.
This is often because populate_initrd_image lacks a __init 
annotation or the annotation of __initramfs_size is wrong.

WARNING: vmlinux.o(.text.unlikely+0x52): Section mismatch in reference from the function populate_initrd_image() to the function .init.text:unpack_to_rootfs()
The function populate_initrd_image() references
the function __init unpack_to_rootfs().
This is often because populate_initrd_image lacks a __init 
annotation or the annotation of unpack_to_rootfs is wrong.

WARNING: vmlinux.o(.text.unlikely+0xb2): Section mismatch in reference from the function populate_initrd_image() to the function .init.text:xwrite()
The function populate_initrd_image() references
the function __init xwrite().
This is often because populate_initrd_image lacks a __init 
annotation or the annotation of xwrite is wrong.

arch/s390/../../virt/kvm/kvm_main.o: In function `__kvm_map_gfn':
/kisskb/src/arch/s390/kvm/../../../virt/kvm/kvm_main.c:1764: undefined reference to `memremap'
arch/s390/../../virt/kvm/kvm_main.o: In function `kvm_vcpu_unmap':
/kisskb/src/arch/s390/kvm/../../../virt/kvm/kvm_main.c:1796: undefined reference to `memunmap'
make[1]: *** [/kisskb/src/Makefile:1052: vmlinux] Error 1
make: *** [Makefile:179: sub-make] Error 2
Command '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-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus_s390-defconfig_s390x
# Build took: 0:01:35.583060