# git rev-parse -q --verify 7c2a69f610e64c8dec6a06a66e721f4ce1dd783a^{commit}
7c2a69f610e64c8dec6a06a66e721f4ce1dd783a
already have revision, skipping fetch
# git checkout -q -f -B kisskb 7c2a69f610e64c8dec6a06a66e721f4ce1dd783a
# git clean -qxdf
# < git log -1
# commit 7c2a69f610e64c8dec6a06a66e721f4ce1dd783a
# Merge: 7a02c8d45bbf 02e37571f9e7
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Wed Aug 12 12:51:31 2020 -0700
# 
#     Merge tag 'ceph-for-5.9-rc1' of git://github.com/ceph/ceph-client
#     
#     Pull ceph updates from Ilya Dryomov:
#      "Xiubo has completed his work on filesystem client metrics, they are
#       sent to all available MDSes once per second now.
#     
#       Other than that, we have a lot of fixes and cleanups all around the
#       filesystem, including a tweak to cut down on MDS request resends in
#       multi-MDS setups from Yanhu and fixups for SELinux symlink labeling
#       and MClientSession message decoding from Jeff"
#     
#     * tag 'ceph-for-5.9-rc1' of git://github.com/ceph/ceph-client: (22 commits)
#       ceph: handle zero-length feature mask in session messages
#       ceph: use frag's MDS in either mode
#       ceph: move sb->wb_pagevec_pool to be a global mempool
#       ceph: set sec_context xattr on symlink creation
#       ceph: remove redundant initialization of variable mds
#       ceph: fix use-after-free for fsc->mdsc
#       ceph: remove unused variables in ceph_mdsmap_decode()
#       ceph: delete repeated words in fs/ceph/
#       ceph: send client provided metric flags in client metadata
#       ceph: periodically send perf metrics to MDSes
#       ceph: check the sesion state and return false in case it is closed
#       libceph: replace HTTP links with HTTPS ones
#       ceph: remove unnecessary cast in kfree()
#       libceph: just have osd_req_op_init() return a pointer
#       ceph: do not access the kiocb after aio requests
#       ceph: clean up and optimize ceph_check_delayed_caps()
#       ceph: fix potential mdsc use-after-free crash
#       ceph: switch to WARN_ON_ONCE in encode_supported_features()
#       ceph: add global total_caps to count the mdsc's total caps number
#       ceph: add check_session_state() helper and make it global
#       ...
# < /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 7c2a69f610e64c8dec6a06a66e721f4ce1dd783a
# < make -s -j 24 ARCH=arm O=/kisskb/build/linus_bcm2835_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  bcm2835_defconfig
# < make -s -j 24 ARCH=arm O=/kisskb/build/linus_bcm2835_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 24 ARCH=arm O=/kisskb/build/linus_bcm2835_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 24 ARCH=arm O=/kisskb/build/linus_bcm2835_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 /kisskb/src/kernel/rcu/update.c:591:0:
/kisskb/src/kernel/rcu/tasks.h:593:13: warning: 'show_rcu_tasks_classic_gp_kthread' defined but not used [-Wunused-function]
 static void show_rcu_tasks_classic_gp_kthread(void) { }
             ^
Completed OK
# rm -rf /kisskb/build/linus_bcm2835_defconfig_arm-gcc4.9
# Build took: 0:02:05.737918