# git rev-parse -q --verify f01da525b3de8e59b2656b55d40c60462098651f^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify f01da525b3de8e59b2656b55d40c60462098651f^{commit}
f01da525b3de8e59b2656b55d40c60462098651f
# git checkout -q -f -B kisskb f01da525b3de8e59b2656b55d40c60462098651f
# git clean -qxdf
# < git log -1
# commit f01da525b3de8e59b2656b55d40c60462098651f
# Merge: 6aa37a53ff23 463a3f66473b
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu May 20 06:44:04 2021 -1000
# 
#     Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
#     
#     Pull rdma fixes from Jason Gunthorpe:
#      "A mixture of small bug fixes, most for longer standing problems:
#     
#        - NULL pointer crash in siw
#     
#        - Various error unwind bugs in siw, rxe, cm
#     
#        - User triggerable errors in uverbs
#     
#        - Minor bugs in mlx5 and rxe drivers"
#     
#     * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
#       RDMA/uverbs: Fix a NULL vs IS_ERR() bug
#       RDMA/mlx5: Fix query DCT via DEVX
#       RDMA/core: Don't access cm_id after its destruction
#       RDMA/rxe: Return CQE error if invalid lkey was supplied
#       RDMA/mlx5: Recover from fatal event in dual port mode
#       RDMA/mlx5: Verify that DM operation is reasonable
#       RDMA/rxe: Clear all QP fields if creation failed
#       RDMA/core: Prevent divide-by-zero error triggered by the user
#       RDMA/siw: Release xarray entry
#       RDMA/siw: Properly check send and receive CQ pointers
# < /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 f01da525b3de8e59b2656b55d40c60462098651f
# < make -s -j 48 ARCH=arm O=/kisskb/build/linus_realview_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  realview_defconfig
# < make -s -j 48 ARCH=arm O=/kisskb/build/linus_realview_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  help
# make -s -j 48 ARCH=arm O=/kisskb/build/linus_realview_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  olddefconfig
# make -s -j 48 ARCH=arm O=/kisskb/build/linus_realview_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  
In file included from /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/../lib/gcc/arm-linux-gnueabi/4.9.4/plugin/include/tm.h:23,
                 from /kisskb/src/scripts/gcc-plugins/gcc-common.h:15,
                 from /kisskb/src/scripts/gcc-plugins/arm_ssp_per_task_plugin.c:3:
/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/../lib/gcc/arm-linux-gnueabi/4.9.4/plugin/include/config/elfos.h:102:21: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
    fprintf ((FILE), "%s"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\
                     ^
/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/../lib/gcc/arm-linux-gnueabi/4.9.4/plugin/include/config/elfos.h:170:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
       fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n",  \
                        ^
In file included from /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/../lib/gcc/arm-linux-gnueabi/4.9.4/plugin/include/tm.h:44,
                 from /kisskb/src/scripts/gcc-plugins/gcc-common.h:15,
                 from /kisskb/src/scripts/gcc-plugins/arm_ssp_per_task_plugin.c:3:
/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/../lib/gcc/arm-linux-gnueabi/4.9.4/plugin/include/defaults.h:126:24: warning: invalid suffix on literal; C++11 requires a space between literal and string macro [-Wliteral-suffix]
       fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n",  \
                        ^
cc1plus: warning: unrecognized command line option '-Wno-format-diag'
/kisskb/src/net/sched/sch_frag.c: In function 'sch_fragment':
/kisskb/src/net/sched/sch_frag.c:93:10: warning: missing braces around initializer [-Wmissing-braces]
   struct rtable sch_frag_rt = { 0 };
          ^
/kisskb/src/net/sched/sch_frag.c:93:10: warning: (near initialization for 'sch_frag_rt.dst') [-Wmissing-braces]
Completed OK
# rm -rf /kisskb/build/linus_realview_defconfig_arm-gcc4.9
# Build took: 0:00:58.183066