Hi, This series seems to have some coding style problems. See output below for more information: Message-id: 20181122072028.22819-1-xiaoguangrong@xxxxxxxxxxx Type: series Subject: [Qemu-devel] [PATCH v3 0/5] migration: improve multithreads === TEST SCRIPT BEGIN === #!/bin/bash BASE=base n=1 total=$(git log --oneline $BASE.. | wc -l) failed=0 git config --local diff.renamelimit 0 git config --local diff.renames True git config --local diff.algorithm histogram commits="$(git log --format=%H --reverse $BASE..)" for c in $commits; do echo "Checking PATCH $n/$total: $(git log -n 1 --format=%s $c)..." if ! git show $c --format=email | ./scripts/checkpatch.pl --mailback -; then failed=1 echo fi n=$((n+1)) done exit $failed === TEST SCRIPT END === Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384 Switched to a new branch 'test' 1f40f88 tests: add threaded-workqueue-bench 0c560ac migration: use threaded workqueue for decompression effdcb4 migration: use threaded workqueue for compression eb91c63 util: introduce threaded workqueue 3bf8b44 bitops: introduce change_bit_atomic === OUTPUT BEGIN === Checking PATCH 1/5: bitops: introduce change_bit_atomic... Checking PATCH 2/5: util: introduce threaded workqueue... WARNING: added, moved or deleted file(s), does MAINTAINERS need updating? #41: new file mode 100644 ERROR: externs should be avoided in .c files #233: FILE: util/threaded-workqueue.c:65: + uint64_t request_fill_bitmap QEMU_ALIGNED(SMP_CACHE_BYTES); ERROR: externs should be avoided in .c files #235: FILE: util/threaded-workqueue.c:67: + uint64_t request_done_bitmap QEMU_ALIGNED(SMP_CACHE_BYTES); ERROR: externs should be avoided in .c files #241: FILE: util/threaded-workqueue.c:73: + QemuEvent request_valid_ev QEMU_ALIGNED(SMP_CACHE_BYTES); ERROR: externs should be avoided in .c files #247: FILE: util/threaded-workqueue.c:79: + QemuEvent request_free_ev QEMU_ALIGNED(SMP_CACHE_BYTES); total: 4 errors, 1 warnings, 575 lines checked Your patch has style problems, please review. If any of these errors are false positives report them to the maintainer, see CHECKPATCH in MAINTAINERS. Checking PATCH 3/5: migration: use threaded workqueue for compression... Checking PATCH 4/5: migration: use threaded workqueue for decompression... Checking PATCH 5/5: tests: add threaded-workqueue-bench... WARNING: added, moved or deleted file(s), does MAINTAINERS need updating? #36: new file mode 100644 WARNING: line over 80 characters #234: FILE: tests/threaded-workqueue-bench.c:194: + printf(" -r: the number of requests handled by each thread (default %d).\n", WARNING: line over 80 characters #236: FILE: tests/threaded-workqueue-bench.c:196: + printf(" -m: the size of the memory (G) used to test (default %dG).\n", ERROR: line over 90 characters #282: FILE: tests/threaded-workqueue-bench.c:242: + printf("Run the benchmark: threads %d requests-per-thread: %d memory %ldG repeat %d.\n", total: 1 errors, 3 warnings, 272 lines checked Your patch has style problems, please review. If any of these errors are false positives report them to the maintainer, see CHECKPATCH in MAINTAINERS. === OUTPUT END === Test command exited with code: 1 --- Email generated automatically by Patchew [http://patchew.org/]. Please send your feedback to patchew-devel@xxxxxxxxxx