# git rev-parse -q --verify b2e45b46d85bfc67b7b28e0e0c1c7e9b9a35892c^{commit}
b2e45b46d85bfc67b7b28e0e0c1c7e9b9a35892c
already have revision, skipping fetch
# git checkout -q -f -B kisskb b2e45b46d85bfc67b7b28e0e0c1c7e9b9a35892c
# git clean -qxdf
# < git log -1
# commit b2e45b46d85bfc67b7b28e0e0c1c7e9b9a35892c
# Merge: 08b297bb10d6 b3e9b515b08e
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Fri Oct 5 08:30:40 2018 -0700
# 
#     Merge tag 'iommu-fixes-v4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
#     
#     Joerg writes:
#       "IOMMU Fix for Linux v4.19-rc6
#     
#        One important fix:
#             - Fix a memory leak with AMD IOMMU when SME is active and a VM
#               has assigned devices. In that case the complete guest memory
#               will be leaked without this fix."
#     
#     * tag 'iommu-fixes-v4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
#       iommu/amd: Clear memory encryption mask from physical address
# < /opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-gcc --version
# < git log --format=%s --max-count=1 b2e45b46d85bfc67b7b28e0e0c1c7e9b9a35892c
# < make -s -j 48 ARCH=xtensa O=/kisskb/build/linus_xtensa-defconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  defconfig
drivers/staging/mt7621-dts/Kconfig:4:warning: 'BUILTIN_DTB' has wrong type. 'select' only accept arguments of bool and tristate type
# make -s -j 48 ARCH=xtensa O=/kisskb/build/linus_xtensa-defconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  
<stdin>:1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp]
<stdin>:1335:2: warning: #warning syscall rseq not implemented [-Wcpp]
Completed OK
# rm -rf /kisskb/build/linus_xtensa-defconfig_xtensa
# Build took: 0:00:23.824835