# 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/ia64-linux/bin/ia64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-ld --version
# < git log --format=%s --max-count=1 f873db9acd3c92d4741bc3676c9eb511b2f9a6f6
# < make -s -j 48 ARCH=ia64 O=/kisskb/build/linus_ia64-defconfig_ia64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-  defconfig
# < make -s -j 48 ARCH=ia64 O=/kisskb/build/linus_ia64-defconfig_ia64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-  help
# make -s -j 48 ARCH=ia64 O=/kisskb/build/linus_ia64-defconfig_ia64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-  olddefconfig
# make -s -j 48 ARCH=ia64 O=/kisskb/build/linus_ia64-defconfig_ia64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-  
<stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp]
In file included from /kisskb/src/arch/ia64/include/uapi/asm/intrinsics.h:22:0,
                 from /kisskb/src/arch/ia64/include/asm/intrinsics.h:11,
                 from /kisskb/src/arch/ia64/include/asm/timex.h:14,
                 from /kisskb/src/include/linux/timex.h:65,
                 from /kisskb/src/include/linux/time32.h:13,
                 from /kisskb/src/include/linux/time.h:73,
                 from /kisskb/src/fs/nfs/read.c:11:
/kisskb/src/fs/nfs/read.c: In function 'nfs_read_completion':
/kisskb/src/arch/ia64/include/uapi/asm/cmpxchg.h:57:2: warning: value computed is not used [-Wunused-value]
 ((__typeof__(*(ptr))) __xchg((unsigned long) (x), (ptr), sizeof(*(ptr))))
  ^
/kisskb/src/fs/nfs/read.c:196:5: note: in expansion of macro 'xchg'
     xchg(&nfs_req_openctx(req)->error, error);
     ^
/kisskb/src/fs/nfs/read.c: In function 'nfs_readpage':
/kisskb/src/arch/ia64/include/uapi/asm/cmpxchg.h:57:2: warning: value computed is not used [-Wunused-value]
 ((__typeof__(*(ptr))) __xchg((unsigned long) (x), (ptr), sizeof(*(ptr))))
  ^
/kisskb/src/fs/nfs/read.c:355:2: note: in expansion of macro 'xchg'
  xchg(&ctx->error, 0);
  ^
No errors detected in 22424 functions.
Completed OK
# rm -rf /kisskb/build/linus_ia64-defconfig_ia64-gcc4.9
# Build took: 0:02:30.896532