# git rev-parse -q --verify 0dc589da873b58b70f4caf4b070fb0cf70fdd1dc^{commit}
0dc589da873b58b70f4caf4b070fb0cf70fdd1dc
already have revision, skipping fetch
# git checkout -q -f -B kisskb 0dc589da873b58b70f4caf4b070fb0cf70fdd1dc
# git clean -qxdf
# < git log -1
# commit 0dc589da873b58b70f4caf4b070fb0cf70fdd1dc
# Merge: f81fdd0c4ab7 a082121b55ba
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Mon Jul 13 12:34:05 2020 -0700
# 
#     Merge tag 'iommu-fixes-v5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
#     
#     Pull iommu fixes from Joerg Roedel:
#     
#      - Fix a use-after-free of the device iommu-group. Found in the arm-smmu
#        driver, but the fix is in generic code.
#     
#      - Fix for the new Allwinner IOMMU driver to use the atomic
#        readl_timeout() variant in IO/TLB flushing code.
#     
#      - A couple of cleanups to fix various compile warnings.
#     
#     * tag 'iommu-fixes-v5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
#       iommu/arm-smmu: Mark qcom_smmu_client_of_match as possibly unused
#       iommu: Fix use-after-free in iommu_release_device
#       iommu/amd: Make amd_iommu_apply_ivrs_quirks() static inline
#       iommu: SUN50I_IOMMU should depend on HAS_DMA
#       iommu/sun50i: Remove unused variable
#       iommu/sun50i: Change the readl timeout to the atomic variant
# < /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 0dc589da873b58b70f4caf4b070fb0cf70fdd1dc
# < make -s -j 24 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 24 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 help
# make -s -j 24 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 olddefconfig
# make -s -j 24 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: 0:00:51.820583