# git rev-parse -q --verify f873db9acd3c92d4741bc3676c9eb511b2f9a6f6^{commit}
f873db9acd3c92d4741bc3676c9eb511b2f9a6f6
already have revision, skipping fetch
# git checkout -q -f -B kisskb f873db9acd3c92d4741bc3676c9eb511b2f9a6f6
# git clean -qxdf
# < git log -1
# commit f873db9acd3c92d4741bc3676c9eb511b2f9a6f6
# Merge: 349111f050b5 867a23eab528
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Aug 21 14:59:16 2020 -0700
# 
#     Merge tag 'io_uring-5.9-2020-08-21' of git://git.kernel.dk/linux-block
#     
#     Pull io_uring fixes from Jens Axboe:
#     
#      - Make sure the head link cancelation includes async work
#     
#      - Get rid of kiocb_wait_page_queue_init(), makes no sense to have it as
#        a separate function since you moved it into io_uring itself
#     
#      - io_import_iovec cleanups (Pavel, me)
#     
#      - Use system_unbound_wq for ring exit work, to avoid spawning tons of
#        these if we have tons of rings exiting at the same time
#     
#      - Fix req->flags overflow flag manipulation (Pavel)
#     
#     * tag 'io_uring-5.9-2020-08-21' of git://git.kernel.dk/linux-block:
#       io_uring: kill extra iovec=NULL in import_iovec()
#       io_uring: comment on kfree(iovec) checks
#       io_uring: fix racy req->flags modification
#       io_uring: use system_unbound_wq for ring exit work
#       io_uring: cleanup io_import_iovec() of pre-mapped request
#       io_uring: get rid of kiocb_wait_page_queue_init()
#       io_uring: find and cancel head link async work on files exit
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 f873db9acd3c92d4741bc3676c9eb511b2f9a6f6
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_mpc85xx_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  mpc85xx_defconfig
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_mpc85xx_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_mpc85xx_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_mpc85xx_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  
In file included from /kisskb/src/include/linux/kernel.h:11:0,
                 from /kisskb/src/include/linux/list.h:9,
                 from /kisskb/src/include/linux/module.h:12,
                 from /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:15:
/kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c: In function 'allocate_bd':
/kisskb/src/include/linux/err.h:22:49: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
 #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO)
                                                 ^
/kisskb/src/include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
 # define unlikely(x) __builtin_expect(!!(x), 0)
                                          ^
/kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:139:6: note: in expansion of macro 'IS_ERR_VALUE'
  if (IS_ERR_VALUE(fep->ring_mem_addr))
      ^
cc1: fatal error: opening output file arch/powerpc/boot/dts/fsl/.mpc8540ads.dtb.dts.tmp: No such file or directory
compilation terminated.
make[2]: *** [scripts/Makefile.lib:326: arch/powerpc/boot/dts/fsl/mpc8540ads.dtb] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [arch/powerpc/Makefile:295: zImage] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:185: __sub-make] Error 2
Command 'make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_mpc85xx_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus_mpc85xx_defconfig_powerpc-gcc4.9
# Build took: 0:01:58.926728