# git rev-parse -q --verify 31130a16d459de809cd1c03eabc9567d094aae6a^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify 31130a16d459de809cd1c03eabc9567d094aae6a^{commit}
31130a16d459de809cd1c03eabc9567d094aae6a
# git checkout -q -f -B kisskb 31130a16d459de809cd1c03eabc9567d094aae6a
# git clean -qxdf
# < git log -1
# commit 31130a16d459de809cd1c03eabc9567d094aae6a
# Merge: 1202f4f 3596924
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Tue Aug 14 16:54:22 2018 -0700
# 
#     Merge tag 'for-linus-4.19-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
#     
#     Pull xen updates from Juergen Gross:
#     
#      - add dma-buf functionality to Xen grant table handling
#     
#      - fix for booting the kernel as Xen PVH dom0
#     
#      - fix for booting the kernel as a Xen PV guest with
#        CONFIG_DEBUG_VIRTUAL enabled
#     
#      - other minor performance and style fixes
#     
#     * tag 'for-linus-4.19-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
#       xen/balloon: fix balloon initialization for PVH Dom0
#       xen: don't use privcmd_call() from xen_mc_flush()
#       xen/pv: Call get_cpu_address_sizes to set x86_virt/phys_bits
#       xen/biomerge: Use true and false for boolean values
#       xen/gntdev: don't dereference a null gntdev_dmabuf on allocation failure
#       xen/spinlock: Don't use pvqspinlock if only 1 vCPU
#       xen/gntdev: Implement dma-buf import functionality
#       xen/gntdev: Implement dma-buf export functionality
#       xen/gntdev: Add initial support for dma-buf UAPI
#       xen/gntdev: Make private routines/structures accessible
#       xen/gntdev: Allow mappings for DMA buffers
#       xen/grant-table: Allow allocating buffers suitable for DMA
#       xen/balloon: Share common memory reservation routines
#       xen/grant-table: Make set/clear page private code shared
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version
# < git log --format=%s --max-count=1 31130a16d459de809cd1c03eabc9567d094aae6a
# < make -s -j 10 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=0xF631D170
# 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
# make -s -j 10 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-  olddefconfig
# make -s -j 10 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-  
/kisskb/src/kernel/sched/core.c: In function 'update_rq_clock_task':
/kisskb/src/kernel/sched/core.c:139:6: warning: unused variable 'steal' [-Wunused-variable]
  s64 steal = 0, irq_delta = 0;
      ^
/kisskb/src/kernel/sched/core.c: In function 'update_rq_clock_task':
/kisskb/src/kernel/sched/core.c:139:6: warning: unused variable 'steal' [-Wunused-variable]
  s64 steal = 0, irq_delta = 0;
      ^
arch/x86/tools/insn_decoder_test: success: Decoded and checked 5093529 instructions
arch/x86/tools/insn_sanity: Success: decoded and checked 1000000 random instructions with 0 errors (seed:0x3bfe11ba)
Completed OK
# rm -rf /kisskb/build/linus-rand_x86_64-randconfig_um-x86_64
# Build took: 0:04:27.785855