# git rev-parse -q --verify 1609d7604b847a9820e63393d1a3b6cac7286d40^{commit}
1609d7604b847a9820e63393d1a3b6cac7286d40
already have revision, skipping fetch
# git checkout -q -f -B kisskb 1609d7604b847a9820e63393d1a3b6cac7286d40
# git clean -qxdf
# < git log -1
# commit 1609d7604b847a9820e63393d1a3b6cac7286d40
# Merge: 1f9c632cde0c a9c20bb0206a
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Sep 14 16:07:40 2019 -0700
# 
#     Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
#     
#     Pull kvm fixes from Paolo Bonzini:
#      "The main change here is a revert of reverts. We recently simplified
#       some code that was thought unnecessary; however, since then KVM has
#       grown quite a few cond_resched()s and for that reason the simplified
#       code is prone to livelocks---one CPUs tries to empty a list of guest
#       page tables while the others keep adding to them. This adds back the
#       generation-based zapping of guest page tables, which was not
#       unnecessary after all.
#     
#       On top of this, there is a fix for a kernel memory leak and a couple
#       of s390 fixlets as well"
#     
#     * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
#       KVM: x86/mmu: Reintroduce fast invalidate/zap for flushing memslot
#       KVM: x86: work around leak of uninitialized stack contents
#       KVM: nVMX: handle page fault in vmread
#       KVM: s390: Do not leak kernel stack data in the KVM_S390_INTERRUPT ioctl
#       KVM: s390: kvm_s390_vm_start_migration: check dirty_bitmap before using it as target for memset()
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version
# < git log --format=%s --max-count=1 1609d7604b847a9820e63393d1a3b6cac7286d40
# < make -s -j 120 ARCH=powerpc O=/kisskb/build/linus_ppc64e_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  ppc64e_defconfig
# make -s -j 120 ARCH=powerpc O=/kisskb/build/linus_ppc64e_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
/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/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:338:21: note: 'pdeo' was declared here
/kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq':
/kisskb/src/drivers/tty/serial/8250/8250_core.c:248:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/tty/serial/8250/8250_core.c:228:19: note: 'i' was declared here
/kisskb/src/net/bridge/br_netlink.c: In function 'br_afspec.isra.28':
/kisskb/src/net/bridge/br_netlink.c:648:7: warning: 'err' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/udf/unicode.c: In function 'udf_name_conv_char':
/kisskb/src/fs/udf/unicode.c:132:8: warning: 'c' 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:2065:9: warning: 'str' 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/drivers/usb/core/devio.c: In function 'async_completed':
/kisskb/src/drivers/usb/core/devio.c:613:23: warning: 'errno' may be used uninitialized in this function [-Wuninitialized]
WARNING: vmlinux.o (.PPC.EMB.apuinfo): unexpected non-allocatable section.
Did you forget to use "ax"/"aw" in a .S file?
Note that for example <linux/init.h> contains
section definitions for use in .S files.

INFO: Uncompressed kernel (size 0xbab550) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0xc00000)
Image Name:   Linux-5.3.0-rc8-g1609d7604b84
Created:      Sun Sep 15 10:17:50 2019
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    4877239 Bytes = 4762.93 KiB = 4.65 MiB
Load Address: 00000000
Entry Point:  00000000
Completed OK
# rm -rf /kisskb/build/linus_ppc64e_defconfig_powerpc-gcc4.6
# Build took: 0:00:51.520140