# git rev-parse -q --verify 7fbc78e3155a0c464bd832efc07fb3c2355fe9bd^{commit}
7fbc78e3155a0c464bd832efc07fb3c2355fe9bd
already have revision, skipping fetch
# git checkout -q -f -B kisskb 7fbc78e3155a0c464bd832efc07fb3c2355fe9bd
# git clean -qxdf
# < git log -1
# commit 7fbc78e3155a0c464bd832efc07fb3c2355fe9bd
# Merge: 7f8b40e3dbcd 096c7a6d9008
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri May 24 16:02:14 2019 -0700
# 
#     Merge tag 'for-linus-20190524' of git://git.kernel.dk/linux-block
#     
#     Pull block fixes from Jens Axboe:
#     
#      - NVMe pull request from Keith, with fixes from a few folks.
#     
#      - bio and sbitmap before atomic barrier fixes (Andrea)
#     
#      - Hang fix for blk-mq freeze and unfreeze (Bob)
#     
#      - Single segment count regression fix (Christoph)
#     
#      - AoE now has a new maintainer
#     
#      - tools/io_uring/ Makefile fix, and sync with liburing (me)
#     
#     * tag 'for-linus-20190524' of git://git.kernel.dk/linux-block: (23 commits)
#       tools/io_uring: sync with liburing
#       tools/io_uring: fix Makefile for pthread library link
#       blk-mq: fix hang caused by freeze/unfreeze sequence
#       block: remove the bi_seg_{front,back}_size fields in struct bio
#       block: remove the segment size check in bio_will_gap
#       block: force an unlimited segment size on queues with a virt boundary
#       block: don't decrement nr_phys_segments for physically contigous segments
#       sbitmap: fix improper use of smp_mb__before_atomic()
#       bio: fix improper use of smp_mb__before_atomic()
#       aoe: list new maintainer for aoe driver
#       nvme-pci: use blk-mq mapping for unmanaged irqs
#       nvme: update MAINTAINERS
#       nvme: copy MTFA field from identify controller
#       nvme: fix memory leak for power latency tolerance
#       nvme: release namespace SRCU protection before performing controller ioctls
#       nvme: merge nvme_ns_ioctl into nvme_ioctl
#       nvme: remove the ifdef around nvme_nvm_ioctl
#       nvme: fix srcu locking on error return in nvme_get_ns_from_disk
#       nvme: Fix known effects
#       nvme-pci: Sync queues on reset
#       ...
# < /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 7fbc78e3155a0c464bd832efc07fb3c2355fe9bd
# < 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/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/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:194:16: 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:1465:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized]
/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: 0:01:39.620290