# git rev-parse -q --verify c20037652700024cffeb6b0f74306ce9b391248f^{commit}
c20037652700024cffeb6b0f74306ce9b391248f
already have revision, skipping fetch
# git checkout -q -f -B kisskb c20037652700024cffeb6b0f74306ce9b391248f
# git clean -qxdf
# < git log -1
# commit c20037652700024cffeb6b0f74306ce9b391248f
# Merge: 5dfcc13902bf f0e20b894350
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sat Mar 7 14:20:29 2020 -0600
# 
#     Merge tag 'io_uring-5.6-2020-03-07' of git://git.kernel.dk/linux-block
#     
#     Pull io_uring fixes from Jens Axboe:
#      "Here are a few io_uring fixes that should go into this release. This
#       contains:
#     
#        - Removal of (now) unused io_wq_flush() and associated flag (Pavel)
#     
#        - Fix cancelation lockup with linked timeouts (Pavel)
#     
#        - Fix for potential use-after-free when freeing percpu ref for fixed
#          file sets
#     
#        - io-wq cancelation fixups (Pavel)"
#     
#     * tag 'io_uring-5.6-2020-03-07' of git://git.kernel.dk/linux-block:
#       io_uring: fix lockup with timeouts
#       io_uring: free fixed_file_data after RCU grace period
#       io-wq: remove io_wq_flush and IO_WQ_WORK_INTERNAL
#       io-wq: fix IO_WQ_WORK_NO_CANCEL cancellation
# < /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 c20037652700024cffeb6b0f74306ce9b391248f
# < make -s -j 24 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 24 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-  help
# make -s -j 24 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-  olddefconfig
# make -s -j 24 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:35: LSE atomics not supported by binutils
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:20:
/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:1348:16: note: 'flags' was declared here
  unsigned long flags;
                ^
/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;
                ^
Completed OK
# rm -rf /kisskb/build/linus_arm64-defconfig_arm64-gcc5.4
# Build took: 0:06:18.898368