linux-kernel - Re: [RFC] MAINTAINERS tag for cleanup robot

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Date:   Sun, 22 Nov 2020 08:33:16 -0800
From:   Tom Rix <trix@...hat.com>
To:     Joe Perches <joe@...ches.com>, clang-built-linux@...glegroups.com
Cc:     linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org,
        xen-devel@...ts.xenproject.org, tboot-devel@...ts.sourceforge.net,
        kvm@...r.kernel.org, linux-crypto@...r.kernel.org,
        linux-acpi@...r.kernel.org, devel@...ica.org,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org, netdev@...r.kernel.org,
        linux-media@...r.kernel.org, MPT-FusionLinux.pdl@...adcom.com,
        linux-scsi@...r.kernel.org, linux-wireless@...r.kernel.org,
        ibm-acpi-devel@...ts.sourceforge.net,
        platform-driver-x86@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-omap@...r.kernel.org, linux-fbdev@...r.kernel.org,
        ecryptfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        cluster-devel@...hat.com, linux-mtd@...ts.infradead.org,
        keyrings@...r.kernel.org, netfilter-devel@...r.kernel.org,
        coreteam@...filter.org, alsa-devel@...a-project.org,
        bpf@...r.kernel.org, linux-bluetooth@...r.kernel.org,
        linux-nfs@...r.kernel.org, patches@...nsource.cirrus.com
Subject: Re: [RFC] MAINTAINERS tag for cleanup robot


On 11/21/20 9:10 AM, Joe Perches wrote:
> On Sat, 2020-11-21 at 08:50 -0800, trix@...hat.com wrote:
>> A difficult part of automating commits is composing the subsystem
>> preamble in the commit log.  For the ongoing effort of a fixer producing
>> one or two fixes a release the use of 'treewide:' does not seem appropriate.
>>
>> It would be better if the normal prefix was used.  Unfortunately normal is
>> not consistent across the tree.
>>
>> So I am looking for comments for adding a new tag to the MAINTAINERS file
>>
>> 	D: Commit subsystem prefix
>>
>> ex/ for FPGA DFL DRIVERS
>>
>> 	D: fpga: dfl:
> I'm all for it.  Good luck with the effort.  It's not completely trivial.
>
> From a decade ago:
>
> https://lore.kernel.org/lkml/1289919077.28741.50.camel@Joe-Laptop/
>
> (and that thread started with extra semicolon patches too)

Reading the history, how about this.

get_mataintainer.pl outputs a single prefix, if multiple files have the same prefix it works, if they don't its an error.

Another script 'commit_one_file.sh' does the call to get_mainainter.pl to get the prefix and be called by run-clang-tools.py to get the fixer specific message.

Defer minimizing the commits by combining similar subsystems till later.

In a steady state case, this should be uncommon.


>
>> Continuing with cleaning up clang's -Wextra-semi-stmt
>> diff --git a/Makefile b/Makefile
> []
>> @@ -1567,20 +1567,21 @@ help:
>>  	 echo  ''
>>  	@echo  'Static analysers:'
>>  	@echo  '  checkstack      - Generate a list of stack hogs'
>>  	@echo  '  versioncheck    - Sanity check on version.h usage'
>>  	@echo  '  includecheck    - Check for duplicate included header files'
>>  	@echo  '  export_report   - List the usages of all exported symbols'
>>  	@echo  '  headerdep       - Detect inclusion cycles in headers'
>>  	@echo  '  coccicheck      - Check with Coccinelle'
>>  	@echo  '  clang-analyzer  - Check with clang static analyzer'
>>  	@echo  '  clang-tidy      - Check with clang-tidy'
>> +	@echo  '  clang-tidy-fix  - Check and fix with clang-tidy'
> A pity the ordering of the code below isn't the same as the above.

Taken care thanks!

Tom