# git rev-parse -q --verify 7a6878bb4e7ac410b8748e115df8265cf32b1be3^{commit}
7a6878bb4e7ac410b8748e115df8265cf32b1be3
already have revision, skipping fetch
# git checkout -q -f -B kisskb 7a6878bb4e7ac410b8748e115df8265cf32b1be3
# git clean -qxdf
# < git log -1
# commit 7a6878bb4e7ac410b8748e115df8265cf32b1be3
# Merge: e704966c45e4 974c24c5bed7
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Sat Sep 29 02:52:24 2018 -0700
# 
#     Merge tag 'dma-mapping-4.19-3' of git://git.infradead.org/users/hch/dma-mapping
#     
#     Christoph writes:
#       "dma mapping fix for 4.19-rc6
#     
#        fix a missing Kconfig symbol for commits introduced in 4.19-rc"
#     
#     * tag 'dma-mapping-4.19-3' of git://git.infradead.org/users/hch/dma-mapping:
#       dma-mapping: add the missing ARCH_HAS_SYNC_DMA_FOR_CPU_ALL declaration
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-gcc --version
# < git log --format=%s --max-count=1 7a6878bb4e7ac410b8748e115df8265cf32b1be3
# < make -s -j 48 ARCH=sparc64 O=/kisskb/build/linus_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  defconfig
# make -s -j 48 ARCH=sparc64 O=/kisskb/build/linus_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  
<stdin>:1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp]
<stdin>:1335:2: warning: #warning syscall rseq not implemented [-Wcpp]
WARNING: EXPORT symbol "_mcount" [vmlinux] version generation failed, symbol will not be versioned.
WARNING: EXPORT symbol "_mcount" [vmlinux] version generation failed, symbol will not be versioned.
  kernel: arch/sparc/boot/image is ready
  kernel: arch/sparc/boot/zImage is ready
Completed OK
# rm -rf /kisskb/build/linus_sparc64-defconfig_sparc64
# Build took: 0:01:02.380120