# git rev-parse -q --verify 973b124921fc639825ae455aa91ed9ce15167584^{commit}
973b124921fc639825ae455aa91ed9ce15167584
already have revision, skipping fetch
# git checkout -q -f -B kisskb 973b124921fc639825ae455aa91ed9ce15167584
# git clean -qxdf
# < git log -1
# commit 973b124921fc639825ae455aa91ed9ce15167584
# Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
# Date:   Tue Oct 15 09:28:44 2019 +0200
# 
#     Linux 5.3.7-rc1
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-gcc --version
# < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-ld --version
# < git log --format=%s --max-count=1 973b124921fc639825ae455aa91ed9ce15167584
# < make -s -j 24 ARCH=sparc64 O=/kisskb/build/stable-rc-5.3_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  defconfig
# make -s -j 24 ARCH=sparc64 O=/kisskb/build/stable-rc-5.3_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  
<stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp]
/kisskb/src/fs/io_uring.c: In function 'io_destruct_skb':
/kisskb/src/fs/io_uring.c:2570:2: error: invalid use of undefined type 'struct workqueue_struct'
  for (i = 0; i < ARRAY_SIZE(ctx->sqo_wq); i++)
  ^
In file included from /kisskb/src/fs/io_uring.c:42:0:
/kisskb/src/include/linux/kernel.h:47:52: error: dereferencing pointer to incomplete type 'struct workqueue_struct'
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
                                                    ^
/kisskb/src/fs/io_uring.c:2570:18: note: in expansion of macro 'ARRAY_SIZE'
  for (i = 0; i < ARRAY_SIZE(ctx->sqo_wq); i++)
                  ^
In file included from /kisskb/src/include/linux/kernel.h:16:0,
                 from /kisskb/src/fs/io_uring.c:42:
/kisskb/src/include/linux/build_bug.h:16:45: error: invalid use of undefined type 'struct workqueue_struct'
 #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:(-!!(e)); }))
                                             ^
/kisskb/src/include/linux/compiler.h:357:28: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
 #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
                            ^
/kisskb/src/include/linux/kernel.h:47:59: note: in expansion of macro '__must_be_array'
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
                                                           ^
/kisskb/src/fs/io_uring.c:2570:18: note: in expansion of macro 'ARRAY_SIZE'
  for (i = 0; i < ARRAY_SIZE(ctx->sqo_wq); i++)
                  ^
/kisskb/src/include/linux/build_bug.h:16:45: error: bit-field '<anonymous>' width not an integer constant
 #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:(-!!(e)); }))
                                             ^
/kisskb/src/include/linux/compiler.h:357:28: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
 #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
                            ^
/kisskb/src/include/linux/kernel.h:47:59: note: in expansion of macro '__must_be_array'
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
                                                           ^
/kisskb/src/fs/io_uring.c:2570:18: note: in expansion of macro 'ARRAY_SIZE'
  for (i = 0; i < ARRAY_SIZE(ctx->sqo_wq); i++)
                  ^
/kisskb/src/fs/io_uring.c:2571:3: error: invalid use of undefined type 'struct workqueue_struct'
   if (ctx->sqo_wq[i])
   ^
/kisskb/src/fs/io_uring.c:2572:4: error: invalid use of undefined type 'struct workqueue_struct'
    flush_workqueue(ctx->sqo_wq[i]);
    ^
make[2]: *** [/kisskb/src/scripts/Makefile.build:281: fs/io_uring.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/kisskb/src/Makefile:1085: fs] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:179: sub-make] Error 2
Command 'make -s -j 24 ARCH=sparc64 O=/kisskb/build/stable-rc-5.3_sparc64-defconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/stable-rc-5.3_sparc64-defconfig_sparc64
# Build took: 0:01:06.446535