# git rev-parse -q --verify 42e7a03d3badebd4e70aea5362d6914dfc7c220b^{commit}
42e7a03d3badebd4e70aea5362d6914dfc7c220b
already have revision, skipping fetch
# git checkout -q -f -B kisskb 42e7a03d3badebd4e70aea5362d6914dfc7c220b
# git clean -qxdf
# < git log -1
# commit 42e7a03d3badebd4e70aea5362d6914dfc7c220b
# Merge: 3638bd90df99 eaa03d345358
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Apr 7 06:35:34 2022 -1000
# 
#     Merge tag 'hyperv-fixes-signed-20220407' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
#     
#     Pull hyperv fixes from Wei Liu:
#     
#      - Correctly propagate coherence information for VMbus devices (Michael
#        Kelley)
#     
#      - Disable balloon and memory hot-add on ARM64 temporarily (Boqun Feng)
#     
#      - Use barrier to prevent reording when reading ring buffer (Michael
#        Kelley)
#     
#      - Use virt_store_mb in favour of smp_store_mb (Andrea Parri)
#     
#      - Fix VMbus device object initialization (Andrea Parri)
#     
#      - Deactivate sysctl_record_panic_msg on isolated guest (Andrea Parri)
#     
#      - Fix a crash when unloading VMbus module (Guilherme G. Piccoli)
#     
#     * tag 'hyperv-fixes-signed-20220407' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
#       Drivers: hv: vmbus: Replace smp_store_mb() with virt_store_mb()
#       Drivers: hv: balloon: Disable balloon and hot-add accordingly
#       Drivers: hv: balloon: Support status report for larger page sizes
#       Drivers: hv: vmbus: Prevent load re-ordering when reading ring buffer
#       PCI: hv: Propagate coherence from VMbus device to PCI device
#       Drivers: hv: vmbus: Propagate VMbus coherence to each VMbus device
#       Drivers: hv: vmbus: Fix potential crash on module unload
#       Drivers: hv: vmbus: Fix initialization of device object in vmbus_device_register()
#       Drivers: hv: vmbus: Deactivate sysctl_record_panic_msg by default in isolated guests
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 42e7a03d3badebd4e70aea5362d6914dfc7c220b
# < make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  randconfig
# 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
# Added to kconfig CONFIG_BPF_PRELOAD=n
# Added to kconfig 
# < make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  help
# make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  olddefconfig
.config:4352:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
.config:4354:warning: override: reassigning to symbol GCC_PLUGINS
# make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  
/kisskb/src/arch/x86/kernel/traps.c: In function '__exc_control_protection':
/kisskb/src/arch/x86/kernel/traps.c:249:3: error: implicit declaration of function '__warn'; did you mean 'pr_warn'? [-Werror=implicit-function-declaration]
   __warn(__FILE__, __LINE__, (void *)regs->ip, TAINT_WARN, regs, NULL);
   ^~~~~~
   pr_warn
cc1: all warnings being treated as errors
make[3]: *** [/kisskb/src/scripts/Makefile.build:288: arch/x86/kernel/traps.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [/kisskb/src/scripts/Makefile.build:550: arch/x86/kernel] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/kisskb/src/Makefile:1834: arch/x86] Error 2
make[1]: *** Waiting for unfinished jobs....
/kisskb/src/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c: In function 'amdgpu_bo_support_uswc':
/kisskb/src/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c:494:2: error: #warning Please enable CONFIG_MTRR and CONFIG_X86_PAT for better performance thanks to write-combining [-Werror=cpp]
 #warning Please enable CONFIG_MTRR and CONFIG_X86_PAT for better performance \
  ^~~~~~~
cc1: all warnings being treated as errors
make[5]: *** [/kisskb/src/scripts/Makefile.build:288: drivers/gpu/drm/amd/amdgpu/amdgpu_object.o] Error 1
make[5]: *** Waiting for unfinished jobs....
make[4]: *** [/kisskb/src/scripts/Makefile.build:550: drivers/gpu/drm/amd/amdgpu] Error 2
make[4]: *** Waiting for unfinished jobs....
make[3]: *** [/kisskb/src/scripts/Makefile.build:550: drivers/gpu/drm] Error 2
make[2]: *** [/kisskb/src/scripts/Makefile.build:550: drivers/gpu] Error 2
make[1]: *** [/kisskb/src/Makefile:1834: drivers] Error 2
make: *** [Makefile:219: __sub-make] Error 2
Command 'make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64-gcc8
# Build took: 0:01:04.124566