# git rev-parse -q --verify 50be9417e23af5a8ac860d998e1e3f06b8fd79d7^{commit}
50be9417e23af5a8ac860d998e1e3f06b8fd79d7
already have revision, skipping fetch
# git checkout -q -f -B kisskb 50be9417e23af5a8ac860d998e1e3f06b8fd79d7
# git clean -qxdf
# < git log -1
# commit 50be9417e23af5a8ac860d998e1e3f06b8fd79d7
# Merge: a022f7d575bb 9ce85ef2cb5c
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Jul 9 12:17:38 2021 -0700
# 
#     Merge tag 'io_uring-5.14-2021-07-09' of git://git.kernel.dk/linux-block
#     
#     Pull io_uring fixes from Jens Axboe:
#      "A few fixes that should go into this merge.
#     
#       One fixes a regression introduced in this release, others are just
#       generic fixes, mostly related to handling fallback task_work"
#     
#     * tag 'io_uring-5.14-2021-07-09' of git://git.kernel.dk/linux-block:
#       io_uring: remove dead non-zero 'poll' check
#       io_uring: mitigate unlikely iopoll lag
#       io_uring: fix drain alloc fail return code
#       io_uring: fix exiting io_req_task_work_add leaks
#       io_uring: simplify task_work func
#       io_uring: fix stuck fallback reqs
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-ld --version
# < git log --format=%s --max-count=1 50be9417e23af5a8ac860d998e1e3f06b8fd79d7
# < make -s -j 32 ARCH=arm O=/kisskb/build/linus_efm32_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  efm32_defconfig
***
*** Can't find default configuration "arch/arm/configs/efm32_defconfig"!
***
make[2]: *** [/kisskb/src/scripts/kconfig/Makefile:94: efm32_defconfig] Error 1
make[1]: *** [/kisskb/src/Makefile:614: efm32_defconfig] Error 2
make: *** [Makefile:215: __sub-make] Error 2
Command 'make -s -j 32 ARCH=arm O=/kisskb/build/linus_efm32_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  efm32_defconfig' returned non-zero exit status 2
# rm -rf /kisskb/build/linus_efm32_defconfig_arm-gcc4.9
# Build took: 0:00:02.821101