# 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/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 728254541ebcc7fee869c3c4c3f36f96be791edb
# < make -s -j 24 ARCH=x86_64 O=/kisskb/build/linus_x86_64-allnoconfig_x86_64-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-  allnoconfig
# make -s -j 24 ARCH=x86_64 O=/kisskb/build/linus_x86_64-allnoconfig_x86_64-gcc4.6 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:1036:6: warning: 'irq' 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:664:16: warning: 'gapstart' 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:194:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/linus_x86_64-allnoconfig_x86_64-gcc4.6
# Build took: 0:00:18.795100