linux-kernel - Re: [PATCH v5 3/5] PCI/AER: Add sysfs attributes to provide breakdown of AERs

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Date:   Fri, 22 Jun 2018 12:27:34 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Tyler Baicar <tbaicar@...eaurora.org>
Cc:     rajatxjain@...il.com, Rajat Jain <rajatja@...gle.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Jonathan Corbet <corbet@....net>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Frederick Lawler <fred@...dlawl.com>,
        Oza Pawandeep <poza@...eaurora.org>,
        Keith Busch <keith.busch@...el.com>,
        Alexandru Gagniuc <mr.nuke.me@...il.com>,
        Thomas Tai <thomas.tai@...cle.com>,
        "Steven Rostedt (VMware)" <rostedt@...dmis.org>,
        linux-pci <linux-pci@...r.kernel.org>,
        linux-doc <linux-doc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Jes Sorensen <jsorensen@...com>, Kyle McMartin <jkkm@...com>
Subject: Re: [PATCH v5 3/5] PCI/AER: Add sysfs attributes to provide
 breakdown of AERs

On Fri, Jun 22, 2018 at 12:38:50PM -0400, Tyler Baicar wrote:
> On 6/21/2018 5:25 PM, Rajat Jain wrote:
> > On Thu, Jun 21, 2018 at 11:48 AM, Bjorn Helgaas <helgaas@...nel.org> wrote:
> > > [+cc Tyler for AER dmesg decoding]
> > > 
> > > - Tyler posted a patch [1] to update those dmesg strings so they match
> > >    the way lspci decodes them.  I really liked that update, but we
> > >    never quite finished it.  If we're going to do that, it would be
> > >    nice to do it first, so we don't publish new sysfs files, then
> > >    immediately change the labels used in them.
> > Sure, I guess you can push them in the right order.
> The way the prints are handled has already been unified in 4.18rc1:
> 
> https://elixir.bootlin.com/linux/v4.18-rc1/source/drivers/pci/pcie/aer.c#L636
> 
> So that patch isn't needed anymore in it's entirety.
> > > - IIRC, Tyler's patch had the nice property of changing the strings so
> > >    each error name had no spaces, which would make it a little easier
> > >    to parse this sysfs file: each line would be a single identifier
> > >    followed by a single number (I would probably remove the "=" from
> > >    the middle).
> > 
> > Will do.
> Would you like me to send a patch with just the string changes?

That would be awesome!  Sorry, I didn't realize that half of that got
done via another route.

Bjorn