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Date:   Sun, 22 Nov 2020 14:56:35 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     Tom Rix <trix@...hat.com>
Cc:     joe@...ches.com, clang-built-linux@...glegroups.com,
        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 Sun, Nov 22, 2020 at 06:46:46AM -0800, Tom Rix wrote:
> 
> On 11/21/20 7:23 PM, Matthew Wilcox wrote:
> > On Sat, Nov 21, 2020 at 08:50:58AM -0800, trix@...hat.com wrote:
> >> The fixer review is
> >> https://reviews.llvm.org/D91789
> >>
> >> A run over allyesconfig for x86_64 finds 62 issues, 5 are false positives.
> >> The false positives are caused by macros passed to other macros and by
> >> some macro expansions that did not have an extra semicolon.
> >>
> >> This cleans up about 1,000 of the current 10,000 -Wextra-semi-stmt
> >> warnings in linux-next.
> > Are any of them not false-positives?  It's all very well to enable
> > stricter warnings, but if they don't fix any bugs, they're just churn.
> >
> While enabling additional warnings may be a side effect of this effort
> 
> the primary goal is to set up a cleaning robot. After that a refactoring robot.

Why do we need such a thing?  Again, it sounds like more churn.
It's really annoying when I'm working on something important that gets
derailed by pointless churn.  Churn also makes it harder to backport
patches to earlier kernels.

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