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| author | Alex Bennée <alex.bennee@linaro.org> | 2018-02-27 12:52:48 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-03-12 17:10:36 +0100 |
| commit | d759c951f3287fad04210a52f2dc93f94cf58c7f (patch) | |
| tree | 5af67500a854ba2e25bc7690bf346bf3c2bbb810 /scripts/replay-dump.py | |
| parent | 1a423896fa4fc2ea49c64e7a493d88a8b251950d (diff) | |
| download | focaccia-qemu-d759c951f3287fad04210a52f2dc93f94cf58c7f.tar.gz focaccia-qemu-d759c951f3287fad04210a52f2dc93f94cf58c7f.zip | |
replay: push replay_mutex_lock up the call tree
Now instead of using the replay_lock to guard the output of the log we now use it to protect the whole execution section. This replaces what the BQL used to do when it was held during TCG execution. We also introduce some rules for locking order - mainly that you cannot take the replay_mutex while holding the BQL. This leads to some slight sophistry during start-up and extending the replay_mutex_destroy function to unlock the mutex without checking for the BQL condition so it can be cleanly dropped in the non-replay case. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Tested-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Message-Id: <20180227095248.1060.40374.stgit@pasha-VirtualBox> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Diffstat (limited to 'scripts/replay-dump.py')
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