# git rev-parse -q --verify 22240df7ac6d76a271197571a7be45addef2ba15^{commit}
22240df7ac6d76a271197571a7be45addef2ba15
already have revision, skipping fetch
# git checkout -q -f -B kisskb 22240df7ac6d76a271197571a7be45addef2ba15
# git clean -qxdf
# < git log -1
# commit 22240df7ac6d76a271197571a7be45addef2ba15
# Author: Ard Biesheuvel <ard.biesheuvel@linaro.org>
# Date:   Sat Aug 4 20:46:25 2018 +0200
# 
#     crypto: arm64/ghash-ce - implement 4-way aggregation
#     
#     Enhance the GHASH implementation that uses 64-bit polynomial
#     multiplication by adding support for 4-way aggregation. This
#     more than doubles the performance, from 2.4 cycles per byte
#     to 1.1 cpb on Cortex-A53.
#     
#     Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
#     Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
# < /opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-gcc --version
# < git log --format=%s --max-count=1 22240df7ac6d76a271197571a7be45addef2ba15
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/crypto_powernv_defconfig+NO_PERF_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-  powernv_defconfig
# Added to kconfig CONFIG_PERF_EVENTS=n
# make -s -j 48 ARCH=powerpc O=/kisskb/build/crypto_powernv_defconfig+NO_PERF_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-  olddefconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/crypto_powernv_defconfig+NO_PERF_ppc64le CROSS_COMPILE=/opt/cross/kisskb/gcc-5.2.0-nolibc/powerpc64le-linux/bin/powerpc64le-linux-  
WARNING: modpost: Found 2 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
Completed OK
# rm -rf /kisskb/build/crypto_powernv_defconfig+NO_PERF_ppc64le
# Build took: 0:02:34.939974