# git rev-parse -q --verify 3702a0585e64d70d5bf73bf3e943b8d6005b72c1^{commit}
3702a0585e64d70d5bf73bf3e943b8d6005b72c1
already have revision, skipping fetch
# git checkout -q -f -B kisskb 3702a0585e64d70d5bf73bf3e943b8d6005b72c1
# git clean -qxdf
# < git log -1
# commit 3702a0585e64d70d5bf73bf3e943b8d6005b72c1
# Author: Brijesh Singh <brijesh.singh@amd.com>
# Date:   Wed Aug 15 16:11:25 2018 -0500
# 
#     crypto: ccp - add timeout support in the SEV command
#     
#     Currently, the CCP driver assumes that the SEV command issued to the PSP
#     will always return (i.e. it will never hang).  But recently, firmware bugs
#     have shown that a command can hang.  Since of the SEV commands are used
#     in probe routines, this can cause boot hangs and/or loss of virtualization
#     capabilities.
#     
#     To protect against firmware bugs, add a timeout in the SEV command
#     execution flow.  If a command does not complete within the specified
#     timeout then return -ETIMEOUT and stop the driver from executing any
#     further commands since the state of the SEV firmware is unknown.
#     
#     Cc: Tom Lendacky <thomas.lendacky@amd.com>
#     Cc: Gary Hook <Gary.Hook@amd.com>
#     Cc: Herbert Xu <herbert@gondor.apana.org.au>
#     Cc: linux-kernel@vger.kernel.org
#     Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
#     Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
# < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < git log --format=%s --max-count=1 3702a0585e64d70d5bf73bf3e943b8d6005b72c1
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/crypto_powernv_defconfig+NO_PERF_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  powernv_defconfig
# Added to kconfig CONFIG_PERF_EVENTS=n
# yes \n | make -s -j 48 ARCH=powerpc O=/kisskb/build/crypto_powernv_defconfig+NO_PERF_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 48 ARCH=powerpc O=/kisskb/build/crypto_powernv_defconfig+NO_PERF_ppc64le-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-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-gcc5
# Build took: 0:02:48.441147