linux-kernel - Re: [PATCH v6 01/13] PCI/P2PDMA: Support peer-to-peer memory

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Message-ID: <20180921160533.GA26601@lst.de>
Date:   Fri, 21 Sep 2018 18:05:33 +0200
From:   Christoph Hellwig <hch@....de>
To:     Logan Gunthorpe <logang@...tatee.com>
Cc:     Bjorn Helgaas <helgaas@...nel.org>, linux-kernel@...r.kernel.org,
        linux-pci@...r.kernel.org, linux-nvme@...ts.infradead.org,
        linux-rdma@...r.kernel.org, linux-nvdimm@...ts.01.org,
        linux-block@...r.kernel.org, Stephen Bates <sbates@...thlin.com>,
        Christoph Hellwig <hch@....de>,
        Keith Busch <keith.busch@...el.com>,
        Sagi Grimberg <sagi@...mberg.me>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Max Gurtovoy <maxg@...lanox.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Jérôme Glisse <jglisse@...hat.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Alex Williamson <alex.williamson@...hat.com>,
        Christian König <christian.koenig@....com>,
        Jens Axboe <axboe@...nel.dk>
Subject: Re: [PATCH v6 01/13] PCI/P2PDMA: Support peer-to-peer memory

On Fri, Sep 21, 2018 at 09:37:33AM -0600, Logan Gunthorpe wrote:
> On 2018-09-21 7:00 AM, Bjorn Helgaas wrote:
> > On Thu, Sep 20, 2018 at 04:47:49PM -0600, Logan Gunthorpe wrote:
> >> On 2018-09-20 4:38 PM, Bjorn Helgaas wrote:
> >>>> +#define pr_fmt(fmt) "pci-p2pdma: " fmt
> >>>
> >>> Is pr_fmt() actually used anywhere?
> >>
> >> It's used in a Patch 4 to print errors in the configfs helpers.
> > 
> > Ideally pr_fmt() would be added in the same patch that uses it, but
> > obviously pretty trivial.
> 
> Hmm, well Christoph asked me to do it this way. ;)

Sorry.  I somehow was under the impression we already had a printk
in the earlier patch, but it looks like I was confused.