linux-kernel - Re: [PATCH v4 1/3] PCI: Make specifying PCI devices in kernel parameters reusable

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Message-ID: <baccb879-0ddc-37e0-1d54-747beb47e6a8@deltatee.com>
Date:   Fri, 22 Jun 2018 14:50:45 -0600
From:   Logan Gunthorpe <logang@...tatee.com>
To:     Randy Dunlap <rdunlap@...radead.org>, linux-kernel@...r.kernel.org,
        linux-pci@...r.kernel.org, linux-doc@...r.kernel.org
Cc:     Stephen Bates <sbates@...thlin.com>,
        Christoph Hellwig <hch@....de>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Jonathan Corbet <corbet@....net>,
        Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
        Marc Zyngier <marc.zyngier@....com>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        Frederic Weisbecker <frederic@...nel.org>,
        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>,
        Matthew Wilcox <willy@...radead.org>
Subject: Re: [PATCH v4 1/3] PCI: Make specifying PCI devices in kernel
 parameters reusable



On 22/06/18 02:05 PM, Randy Dunlap wrote:
> Hi,
> 
> On 06/22/2018 12:43 PM, Logan Gunthorpe wrote:
> 
>> diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
>> index 97acba712e4e..cb999b2a9530 100644
>> --- a/drivers/pci/pci.c
>> +++ b/drivers/pci/pci.c
>> @@ -191,6 +191,92 @@ void __iomem *pci_ioremap_wc_bar(struct pci_dev *pdev, int bar)
>>  EXPORT_SYMBOL_GPL(pci_ioremap_wc_bar);
>>  #endif
>>  
>> +/**
>> + * pci_dev_str_match - test if a string matches a device
>> + * @dev:    the PCI device to test
>> + * @p:      string to match the device against
>> + * @endptr: pointer to the string after the match
>> + *
>> + * Test if a string (typically from a kernel parameter) matches a
>> + * specified. The string may be of one of the following formats:
> 
> "matches a specified."  eh?

Shoot, must have been over edited. Will fix for v5.

Logan