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I'd like to revise the tag list as below for next version, and reference rules are following each action. Please correct me if I still understand the rules in submitting-patches.rst wrongly. Co-developed-by: Youquan Song Signed-off-by: Youquan Song Signed-off-by: Zhiquan Li Reviewed-by: Naoya Horiguchi Cc: Borislav Petkov 1) As the author of the initial patch and the person who submitting the patch, I put my SoB following Youquan's tags per below rule: Notably, the last Signed-off-by: must always be that of the developer submitting the patch. 2) Remove Tony's SoB. I had confirmed with him, he needn't Co-developed-by: tag, so the SoB added by himself in V1 and V2 should be removed. In fact, I'm not sure how to deal with such SoB for "RESEND" case. While resent V2 I retained the SoB to reflect the chain. According to my understanding, the RESEND process emphasizes "not modifying". 3) Remove Ingo's SoB. Because a new version means a new review cycle, the SoB added in V2 should be reset to reflect the *new* real route, unless Ingo needs a Co-developed-by: tag. Relative rule is following: Any further SoBs (Signed-off-by:'s) following the author's SoB are from people handling and transporting the patch, but were not involved in its development. SoB chains should reflect the *real* route a patch took as it was propagated to the maintainers and ultimately to Linus, with the first SoB entry signalling primary authorship of a single author. I missed this point while I sent V3 :-( 4) Keep Naoya's Reviewed-by: according to below rule, because there is no substantial change in V3. Both Tested-by and Reviewed-by tags, once received on mailing list from tester or reviewer, should be added by author to the applicable patches when sending next versions. However if the patch has changed substantially in following version, these tags might not be applicable anymore and thus should be removed. 5) Add Cc: tag to you per below rule :-) This is the only tag which might be added without an explicit action by the person it names - but it should indicate that this person was copied on the patch. This tag documents that potentially interested parties have been included in the discussion. Best Regards, Zhiquan