linux-kernel - Re: [PATCH net-next] sysfs: add entry to indicate network interfaces with random MAC address

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Date:	Fri, 23 Jul 2010 09:35:58 -0700
From:	Casey Leedom <leedom@...lsio.com>
To:	Stefan Assmann <sassmann@...hat.com>
Cc:	"Rose, Gregory V" <gregory.v.rose@...el.com>,
	David Miller <davem@...emloft.net>, shemminger@...tta.com,
	andy@...yhouse.net, harald@...hat.com, bhutchings@...arflare.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	gospo@...hat.com,
	"Duyck, Alexander H" <alexander.h.duyck@...el.com>
Subject: Re: [PATCH net-next] sysfs: add entry to indicate network interfaces with random MAC address

| From: Stefan Assmann <sassmann@...hat.com>
| Date: Friday, July 23, 2010 01:08 am
| 
| On 23.07.2010 02:26, Casey Leedom wrote:
| >  Or you simply don't have the VF Driver loaded in the "Domain 0" Control
| >  OS.  When we install the cxgb4 PF Driver with "num_vf=..." this enables
| >  the PCI-E SR-IOV Capabilities within the various PFs and the
| >  corresponding VF PCI Devices are instantiated and discovered by the
| >  Domain 0 Linux OS.  But without a cxgb4vf VF Driver loaded, those
| >  devices just sit there available for "Device Assignment" to VMs.
| 
| Just out of curiosity, how do you prevent the VF driver from getting
| loaded in the host? Except from blacklisting it.

  I don't install them. :-)

  I'm actually fairly unfamiliar with the details of managing/administering 
Linux systems so I'm guessing that there are much better ways of controlling for 
which devices a Linux system will attempt to load drivers.  For instance, I 
didn't know about the concept of "blacklisting" a driver.

Casey
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