# 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/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 728254541ebcc7fee869c3c4c3f36f96be791edb
# < make -s -j 48 ARCH=arm64 O=/kisskb/build/linus_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  defconfig
# make -s -j 48 ARCH=arm64 O=/kisskb/build/linus_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  
arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
arch/arm64/Makefile:40: LSE atomics not supported by binutils
/kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c: In function 'sh_mobile_i2c_isr':
/kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wmaybe-uninitialized]
   pd->msg->buf[real_pos] = data;
                          ^
/kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:372:16: note: 'data' was declared here
  unsigned char data;
                ^
In file included from /kisskb/src/include/linux/rwsem.h:16:0,
                 from /kisskb/src/include/linux/notifier.h:15,
                 from /kisskb/src/include/linux/clk.h:14,
                 from /kisskb/src/drivers/tty/serial/sh-sci.c:24:
/kisskb/src/drivers/tty/serial/sh-sci.c: In function 'sci_dma_rx_submit':
/kisskb/src/include/linux/spinlock.h:288:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized]
   _raw_spin_unlock_irqrestore(lock, flags); \
   ^
/kisskb/src/drivers/tty/serial/sh-sci.c:1353:16: note: 'flags' was declared here
  unsigned long flags;
                ^
Completed OK
# rm -rf /kisskb/build/linus_arm64-defconfig_arm64-gcc5.4
# Build took: 0:04:01.906091