linux-kernel - Re: [PATCH] net: prestera: acl: Add check for kmemdup

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Date:   Fri, 30 Sep 2022 09:58:28 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Joe Perches <joe@...ches.com>
Cc:     Jiasheng Jiang <jiasheng@...as.ac.cn>, pabeni@...hat.com,
        davem@...emloft.net, tchornyi@...vell.com, edumazet@...gle.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Volodymyr Mytnyk <vmytnyk@...vell.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH] net: prestera: acl: Add check for kmemdup

On Fri, 30 Sep 2022 09:43:54 -0700 Joe Perches wrote:
> > > There's no great way to identify "author" or "original submitter"
> > > and frequently the "original submitter" isn't a maintainer anyway.  
> > 
> > Confusing sentence. We want for people who s-o-b'd the commit under
> > Fixes to be CCed.  
> 
> If a file or a file modified by a patch is listed in the MAINTAINERS,
> git history isn't used unless --git is specified.
> 
> For a patch, maybe the author and other SOBs of a commit specified
> by a "Fixes:" line SHA-1 in the commit message could be added automatically.

Yes, git history isn't used, but the Fixes tag are consulted already
AFAICT. We just need to steer people towards running the script on 
the patch.

$ git format-patch net/main~..net/main -o /tmp/
/tmp/0001-eth-alx-take-rtnl_lock-on-resume.patch

$ grep Fixes /tmp/0001-eth-alx-take-rtnl_lock-on-resume.patch
Fixes: 4a5fe57e7751 ("alx: use fine-grained locking instead of RTNL")

$ git show 4a5fe57e7751 --pretty='%an <%ae>' --no-patch 
Johannes Berg <johannes@...solutions.net>

$ ./scripts/get_maintainer.pl  /tmp/0001-eth-alx-take-rtnl_lock-on-resume.patch | grep blame
"David S. Miller" <davem@...emloft.net> (maintainer:NETWORKING DRIVERS,commit_signer:2/4=50%,blamed_fixes:1/1=100%)
Johannes Berg <johannes@...solutions.net> (blamed_fixes:1/1=100%)