# 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/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 040a3c33623ba4bd11588ab0820281b854a3ffaf
# < make -s -j 48 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 defconfig
# make -s -j 48 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 
/kisskb/src/arch/um/os-Linux/signal.c: In function 'sig_handler_common':
/kisskb/src/arch/um/os-Linux/signal.c:51:1: warning: the frame size of 2960 bytes is larger than 1024 bytes [-Wframe-larger-than=]
 }
 ^
/kisskb/src/arch/um/os-Linux/signal.c: In function 'timer_real_alarm_handler':
/kisskb/src/arch/um/os-Linux/signal.c:95:1: warning: the frame size of 2960 bytes is larger than 1024 bytes [-Wframe-larger-than=]
 }
 ^
  LINK linux
Completed OK
# rm -rf /kisskb/build/linus_um-defconfig_um-x86_64
# Build took: 0:00:44.217131