linux-kernel - Re: [PATCH v10 4/7] PCI: add SR-IOV API for Physical Function driver

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Message-ID: <20090309082930.GE4638@yzhao-otc.sh.intel.com>
Date:	Mon, 9 Mar 2009 16:29:30 +0800
From:	Yu Zhao <yu.zhao@...el.com>
To:	Randy Dunlap <rdunlap@...otime.net>
Cc:	Matthew Wilcox <matthew@....cx>,
	"jbarnes@...tuousgeek.org" <jbarnes@...tuousgeek.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v10 4/7] PCI: add SR-IOV API for Physical Function
	driver

Thanks a lot, Randy!

On Sat, Mar 07, 2009 at 05:48:33AM +0800, Randy Dunlap wrote:
> Matthew Wilcox wrote:
> > On Fri, Feb 20, 2009 at 02:54:45PM +0800, Yu Zhao wrote:
> > 
> >> +	if (nres != iov->nres) {
> >> +		dev_err(&dev->dev, "no enough MMIO for SR-IOV\n");
> >> +		return -ENOMEM;
> >> +	}
> 
> 		"not enough MMIO BARs for SR-IOV"
> 	or
> 		"not enough MMIO resources for SR-IOV"
> 	or
> 		"too few MMIO BARs for SR-IOV"
> ?
> 
> > Randy, can you help us out with better wording here?
> > 
> >> +		dev_err(&dev->dev, "no enough bus range for SR-IOV\n");
> > 
> > and here.
> 
> 		"SR-IOV: bus number too large"
> 	or
> 		"SR-IOV: bus number out of range"
> 	or
> 		"SR-IOV: cannot allocate valid bus number"
> ?
> 
> >> +	if (iov->link != dev->devfn) {
> >> +		rc = -ENODEV;
> >> +		list_for_each_entry(link, &dev->bus->devices, bus_list) {
> >> +			if (link->sriov && link->devfn == iov->link)
> >> +				rc = sysfs_create_link(&iov->dev.kobj,
> >> +						&link->dev.kobj, "dep_link");
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