# git rev-parse -q --verify 31130a16d459de809cd1c03eabc9567d094aae6a^{commit}
31130a16d459de809cd1c03eabc9567d094aae6a
already have revision, skipping fetch
# 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/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < git log --format=%s --max-count=1 31130a16d459de809cd1c03eabc9567d094aae6a
# < make -s -j 10 ARCH=x86 O=/kisskb/build/linus_x86_64_defconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  x86_64_defconfig
# make -s -j 10 ARCH=x86 O=/kisskb/build/linus_x86_64_defconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  
/kisskb/src/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq':
/kisskb/src/arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount':
/kisskb/src/kernel/cgroup/cgroup-v1.c:1256:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/mm/vmstat.c: In function 'sysctl_vm_numa_stat_handler':
/kisskb/src/mm/vmstat.c:89:5: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap':
/kisskb/src/arch/x86/kernel/e820.c:653:2: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized]
kernel/rcu/tree.o: warning: objtool: rcu_init()+0x1c5: unreachable instruction
/kisskb/src/sound/hda/hdac_regmap.c: In function 'hda_reg_write':
/kisskb/src/sound/hda/hdac_regmap.c:282:16: warning: 'err' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page':
/kisskb/src/mm/hugetlb.c:1433:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized]
kernel/trace/trace.o: warning: objtool: tracing_start()+0x6d: unreachable instruction
/kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read':
/kisskb/src/drivers/base/regmap/regmap.c:2511:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write':
/kisskb/src/drivers/base/regmap/regmap.c:1833:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_rx_mgmt_beacon':
/kisskb/src/net/mac80211/mlme.c:1353:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/mac80211/mlme.c:1310:6: note: 'pwr_level_cisco' was declared here
drivers/clk/clk.o: warning: objtool: clk_prepare_unlock()+0x44: unreachable instruction
/kisskb/src/fs/proc/inode.c: In function 'proc_reg_open':
/kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/proc/inode.c:339:21: note: 'pdeo' was declared here
/kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_fence':
/kisskb/src/drivers/dma-buf/reservation.c:207:2: warning: 'k' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/dma-buf/reservation.c:160:17: note: 'k' was declared here
fs/aio.o: warning: objtool: aio_nr_sub()+0x2d: unreachable instruction
Completed OK
# rm -rf /kisskb/build/linus_x86_64_defconfig_x86_64
# Build took: 0:02:45.104494