Hi, This series seems to have some coding style problems. See output below for more information: Subject: [Qemu-devel] [PATCH v2 0/5] mc146818rtc: fix Windows VM clock faster Message-id: 20170504115948.3048-1-xiaoguangrong@xxxxxxxxxxx Type: series === TEST SCRIPT BEGIN === #!/bin/bash BASE=base n=1 total=$(git log --oneline $BASE.. | wc -l) failed=0 git config --local diff.renamelimit 0 git config --local diff.renames True commits="$(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 >From https://github.com/patchew-project/qemu - [tag update] patchew/20170504125432.21653-1-marcandre.lureau@xxxxxxxxxx -> patchew/20170504125432.21653-1-marcandre.lureau@xxxxxxxxxx Switched to a new branch 'test' f61e071 mc146818rtc: embrace all x86 specific code dec1091 mc146818rtc: drop unnecessary '#ifdef TARGET_I386' 9d50ad1 mc146818rtc: ensure LOST_TICK_POLICY_SLEW is only enabled on TARGET_I386 d192a0f mc146818rtc: precisely count the clock for periodic timer 21b28e7 mc146818rtc: update periodic timer only if it is needed === OUTPUT BEGIN === Checking PATCH 1/5: mc146818rtc: update periodic timer only if it is needed... Checking PATCH 2/5: mc146818rtc: precisely count the clock for periodic timer... ERROR: do not use assignment in if condition #143: FILE: hw/timer/mc146818rtc.c:230: + if ((cur_irq_coalesced != s->irq_coalesced) || total: 1 errors, 0 warnings, 174 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: mc146818rtc: ensure LOST_TICK_POLICY_SLEW is only enabled on TARGET_I386... Checking PATCH 4/5: mc146818rtc: drop unnecessary '#ifdef TARGET_I386'... Checking PATCH 5/5: mc146818rtc: embrace all x86 specific code... === OUTPUT END === Test command exited with code: 1 --- Email generated automatically by Patchew [http://patchew.org/]. Please send your feedback to patchew-devel@xxxxxxxxxxxxx