# git rev-parse -q --verify edb98d162418e90d6d2c1cec42e09be0375cfd88^{commit}
edb98d162418e90d6d2c1cec42e09be0375cfd88
already have revision, skipping fetch
# git checkout -q -f -B kisskb edb98d162418e90d6d2c1cec42e09be0375cfd88
# git clean -qxdf
# < git log -1
# commit edb98d162418e90d6d2c1cec42e09be0375cfd88
# Merge: 3f777e19d171 f0abc761bbb9
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Tue Apr 28 13:18:07 2020 -0700
# 
#     Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
#     
#     Pull rdma fixes from Jason Gunthorpe:
#      "A couple of regressions were found in rc1, as well as another set of
#       races and bugs:
#     
#        - A regression where RDMA_CM_EVENT_REJECTED was lost in some cases
#     
#        - Bad error handling in the CM, uverbs, rvt, siw and i40iw
#     
#        - Kernel stack memory leak to user space in mlx4
#     
#        - Missing data in a uapi query for mlx5
#     
#        - Three races found by syzkaller in the ib core code"
#     
#     * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
#       RDMA/core: Fix race between destroy and release FD object
#       IB/rdmavt: Always return ERR_PTR from rvt_create_mmap_info()
#       RDMA/core: Fix overwriting of uobj in case of error
#       RDMA/core: Prevent mixed use of FDs between shared ufiles
#       RDMA/uverbs: Fix a race with disassociate and exit_mmap()
#       RDMA/mlx5: Set GRH fields in query QP on RoCE
#       RDMA/siw: Fix potential siw_mem refcnt leak in siw_fastreg_mr()
#       RDMA/mlx4: Initialize ib_spec on the stack
#       RDMA/cm: Fix an error check in cm_alloc_id_priv()
#       RDMA/cm: Fix missing RDMA_CM_EVENT_REJECTED event after receiving REJ message
#       i40iw: fix null pointer dereference on a null wqe pointer
# < /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 edb98d162418e90d6d2c1cec42e09be0375cfd88
# < make -s -j 24 ARCH=arm O=/kisskb/build/linus_mmp2_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  mmp2_defconfig
# < make -s -j 24 ARCH=arm O=/kisskb/build/linus_mmp2_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_mmp2_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_mmp2_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-  
/kisskb/src/kernel/futex.c: In function 'do_futex':
/kisskb/src/kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized]
   return oldval == cmparg;
                 ^
/kisskb/src/kernel/futex.c:1652:6: note: 'oldval' was declared here
  int oldval, ret;
      ^
Completed OK
# rm -rf /kisskb/build/linus_mmp2_defconfig_arm-gcc4.9
# Build took: 0:01:06.043321