# git rev-parse -q --verify 728254541ebcc7fee869c3c4c3f36f96be791edb^{commit}
728254541ebcc7fee869c3c4c3f36f96be791edb
already have revision, skipping fetch
# git checkout -q -f -B kisskb 728254541ebcc7fee869c3c4c3f36f96be791edb
# git clean -qxdf
# < git log -1
# commit 728254541ebcc7fee869c3c4c3f36f96be791edb
# Merge: 57103eb7c6ca ae6a45a08689
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Jun 29 19:42:30 2019 +0800
# 
#     Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
#     
#     Pull x86 fixes from Ingo Molnar:
#      "Misc fixes all over the place:
#     
#        - might_sleep() atomicity fix in the microcode loader
#     
#        - resctrl boundary condition fix
#     
#        - APIC arithmethics bug fix for frequencies >= 4.2 GHz
#     
#        - three 5-level paging crash fixes
#     
#        - two speculation fixes
#     
#        - a perf/stacktrace fix"
#     
#     * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
#       x86/unwind/orc: Fall back to using frame pointers for generated code
#       perf/x86: Always store regs->ip in perf_callchain_kernel()
#       x86/speculation: Allow guests to use SSBD even if host does not
#       x86/mm: Handle physical-virtual alignment mismatch in phys_p4d_init()
#       x86/boot/64: Add missing fixup_pointer() for next_early_pgt access
#       x86/boot/64: Fix crash if kernel image crosses page table boundary
#       x86/apic: Fix integer overflow on 10 bit left shift of cpu_khz
#       x86/resctrl: Prevent possible overrun during bitmap operations
#       x86/microcode: Fix the microcode load on CPU hotplug for real
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 728254541ebcc7fee869c3c4c3f36f96be791edb
# < make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-  randconfig
KCONFIG_SEED=0x58002FB4
# Added to kconfig CONFIG_STANDALONE=y
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n
# Added to kconfig CONFIG_GCC_PLUGINS=n
# Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n
# Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n
# Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n
# yes \n | make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-  
You are building kernel with non-retpoline compiler.
Please update your compiler.
make[1]: *** [arch/x86/Makefile:308: checkbin] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:179: sub-make] Error 2
Command 'make -s -j 48 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus-rand_x86_64-randconfig_um-x86_64
# Build took: 0:00:05.949160