... it is hard to construct what happened in the past from the present.
I forget about the commit messages. This makes it clear exactly what happened (https://mail-archives.apache.org/mod_mbox/nuttx-commits/202004.mbox/browser):
From xiaoxi...@apache.org Subject [incubator-nuttx] branch master updated (ac55fab -> 434086f) Date Mon, 27 Apr 2020 13:39:41 GMT This is an automated email from the ASF dual-hosted git repository. xiaoxiang pushed a change to branch master in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git. from ac55fab syslog: Check sc_flush in't NULL before invocation add e9773ad syslog/rpmsg: Fix warning: ‘syslog_rpmsg_write’ defined but not used add 972033a syslog: Check sc_flush in't NULL before invocation add 2bfc03f openamp: Download libmetal and open-amp from github add 434086f Merge branch 'master' of github.com:apache/incubator-nuttx into openamp No new revisions were added by this update. Summary of changes: Mime * Unnamed text/plain <https://mail-archives.apache.org/mod_mbox/nuttx-commits/202004.mbox/raw/%3C158799478114.332.2427650942959628664%40gitbox.apache.org%3E/> (inline, 8-Bit, 642 bytes)
