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0D0ck0kDIwlzygT0dIX3YDmZChy43qv43/BSW8LpfnaYhpf2i4Um7JgiqEYJqHE7uZYH70tymZNYH5Jpx4KpjUqYF8pHKs4vPx2GxbY5k1IWoMz4st5PzL9DNBx+yhhg4RqnnsV4wrgmrhH4jRQmcgtvCHV/c4PU0wMamIqivMoITRpZ4WOki3AEjo+rMLe/qRG3pZZgaKOyIFrNPuPvBgJkdkX9x+1T19j0ywBKyhzY62HfxRYYElkV5RHUwf7WSAPQALLHX8GcYlzVSfCptVJdcObUbisYSmrDNWeFORVwmNpZ32YTfQC1+chDarpnF84OX3yHLFQ1AE+qFWe8cqrMd66RUI07nxkyQWvy+em+gomzN1AXFhB8ILEKPwbSgjVmO4a35forCyeXDHlVFqa4CWJrXXKna+psOTFmHDXBN1vQ= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: >> >> >> >>>> >> >>>> Sashiko can be guided with a base-commit: tag but I'm not sure how = to >> >>>> tell it what tree/branch to try, or even if that's necessary. Perh= aps >> >>>> someone can figure this out sometime. >> >>> >> >>> b4 gives a base commit, but I think because the trees are rebased it= ends >> >>> up being the incorrect one. >> >>> >> >>> Not sure what the solution is! >> >>> >> >> >> >> We have seen this on the Xe list (our list is based on drm-tip), >> >> typically with cross-subsystem patches. Some cross-subsystem patches >> >> apply and run correctly, while others do not but public CI flows run >> >> based on drm-tip. I do not have a bisect or a clear understanding of >> >> what works and what doesn't, but I think it would be very useful if t= he >> >> community could better understand the root cause. >> > >> > As Mike said, mm-unstable/mm-new is heavily rebased and also carries t= he old >> > version of the series before the new one is applied, so it's super unc= lear what >> > the base commit should be there. >> > >> > But in general, I wonder if it's possible that we could tell sashiko >> > after-the-fact what base commit to look at once the series is in, or r= e-trigger >> > it somehow once it's in-tree? >> > >> > Roman - any suggestions on what we could do to help sashiko find thing= s? >> > >> > (Once mm-next is in place everything with change again, but can addres= s that >> > then :) >> >> I can implement any reasonable logic here, the problem is that my unders= tanding is >> the current mm process is a bit vague here. Which likely will be also an= issue for the mm ci. >> I=E2=80=99ll merge a support for b4-like dependencies specification soon= . > > Yeah I suspect things might be tricky with mm given the rebases honestly. > >> >> Re re-starting with manual selection it=E2=80=99s on my todo list, but m= aybe a bit lfurther away, as it requires >> an authorization, etc. > > Yeah that's the fly in the ointment I guess for many things like giving i= nstant > feedback on accuracy, well you want to make sure the person giving it is = who you > think they are :) > > Probably an email -> author with magic link or something but thinking thr= ough > how to avoid abuse/spam/rate limiting everything etc. is surely all a pai= n :) If b4 is used, the cover letter comes with a fixed change-id. That can be a good id for new patch series replacement. For patches do not use b4, authors can add their own change-id. Without change-id, if the new version comes with a link to the prior version, that can be helpful too. If none is present, author email + patch title might be the last resort. But I think we need to encourage authors to provide some id for their patches to make replacement easier instead of spending too much effort on identifying different patch versions. --=20 Best Regards, Yan, Zi