# git rev-parse -q --verify 040a3c33623ba4bd11588ab0820281b854a3ffaf^{commit}
040a3c33623ba4bd11588ab0820281b854a3ffaf
already have revision, skipping fetch
# git checkout -q -f -B kisskb 040a3c33623ba4bd11588ab0820281b854a3ffaf
# git clean -qxdf
# < git log -1
# commit 040a3c33623ba4bd11588ab0820281b854a3ffaf
# Merge: 6327edceb62b 55817b340a31
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Jan 12 09:35:42 2020 -0800
# 
#     Merge tag 'iommu-fixes-v5.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
#     
#     Pull iommu fixes from Joerg Roedel:
#     
#      - Two fixes for VT-d and generic IOMMU code to fix teardown on error
#        handling code paths.
#     
#      - Patch for the Intel VT-d driver to fix handling of non-PCI devices
#     
#      - Fix W=1 compile warning in dma-iommu code
#     
#     * tag 'iommu-fixes-v5.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
#       iommu/dma: fix variable 'cookie' set but not used
#       iommu/vt-d: Unlink device if failed to add to group
#       iommu: Remove device link to group on failure
#       iommu/vt-d: Fix adding non-PCI devices to Intel IOMMU
# < /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 040a3c33623ba4bd11588ab0820281b854a3ffaf
# < 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:38: 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:1352:16: note: 'flags' was declared here
  unsigned long flags;
                ^
Completed OK
# rm -rf /kisskb/build/linus_arm64-defconfig_arm64-gcc5.4
# Build took: 0:04:34.689268