linux-kernel - Re: [PATCH V2 1/2] PCI: Allow drivers to request exclusive config regions

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Message-ID: <YwfVmlissGgXo+Y8@iweiny-desk3>
Date:   Thu, 25 Aug 2022 13:03:38 -0700
From:   Ira Weiny <ira.weiny@...el.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     Dan Williams <dan.j.williams@...el.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Alison Schofield <alison.schofield@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Ben Widawsky <bwidawsk@...nel.org>,
        <linux-cxl@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-pci@...r.kernel.org>
Subject: Re: [PATCH V2 1/2] PCI: Allow drivers to request exclusive config
 regions

On Thu, Aug 25, 2022 at 09:34:00AM +0200, Greg Kroah-Hartman wrote:
> On Wed, Aug 24, 2022 at 04:24:49PM -0700, ira.weiny@...el.com wrote:
> > --- a/include/linux/pci.h
> > +++ b/include/linux/pci.h
> > @@ -409,6 +409,7 @@ struct pci_dev {
> >  	 */
> >  	unsigned int	irq;
> >  	struct resource resource[DEVICE_COUNT_RESOURCE]; /* I/O and memory regions + expansion ROMs */
> > +	struct resource config_resource;		 /* driver exclusive config ranges */
> 
> Naming is hard, but let's make this obvious what this resource is for as
> your comment states.  How about:
> 	struct resource driver_exclusive_resource;

Done.

> 
> Other than that, looks better to me, thanks for the update.

Thanks!
Ira

> 
> greg k-h