# git rev-parse -q --verify 9791581c049c10929e97098374dd1716a81fefcc^{commit}
9791581c049c10929e97098374dd1716a81fefcc
already have revision, skipping fetch
# git checkout -q -f -B kisskb 9791581c049c10929e97098374dd1716a81fefcc
# git clean -qxdf
# < git log -1
# commit 9791581c049c10929e97098374dd1716a81fefcc
# Merge: 75439bc439e0 34d1eb0e5998
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Wed Jan 20 14:15:33 2021 -0800
# 
#     Merge tag 'for-5.11-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
#     
#     Pull btrfs fixes from David Sterba:
#      "A few more one line fixes for various bugs, stable material.
#     
#        - fix send when emitting clone operation from the same file and root
#     
#        - fix double free on error when cleaning backrefs
#     
#        - lockdep fix during relocation
#     
#        - handle potential error during reloc when starting transaction
#     
#        - skip running delayed refs during commit (leftover from code removal
#          in this dev cycle)"
#     
#     * tag 'for-5.11-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
#       btrfs: don't clear ret in btrfs_start_dirty_block_groups
#       btrfs: fix lockdep splat in btrfs_recover_relocation
#       btrfs: do not double free backref nodes on error
#       btrfs: don't get an EINTR during drop_snapshot for reloc
#       btrfs: send: fix invalid clone operations when cloning from the same file and root
#       btrfs: no need to run delayed refs after commit_fs_roots during commit
# < /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 9791581c049c10929e97098374dd1716a81fefcc
# < make -s -j 32 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
arch/ia64/configs/generic_defconfig:58:warning: override: reassigning to symbol ATA
arch/ia64/configs/generic_defconfig:59:warning: override: reassigning to symbol ATA_PIIX
# < make -s -j 32 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 32 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 32 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:60,
                 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: 0:02:45.062735