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From: Matthew Wilcox <matthew@wil.cx>
To: James Smart <James.Smart@Emulex.Com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
	"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>
Subject: Re: [PATCH] lpfc : add module parameter that allows adapter	instances to avoid attachment
Date: Fri, 27 Mar 2009 09:11:40 -0600	[thread overview]
Message-ID: <20090327151139.GL8014@parisc-linux.org> (raw)
In-Reply-To: <49CBE772.80304@emulex.com>

On Thu, Mar 26, 2009 at 04:37:06PM -0400, James Smart wrote:
> The oem requirement we have explicitly states not to use the unbind 
> interface
> (we proposed unbind at first as well).
> 
> The issue is what happens on the link while we are bound for that short
> amount of time. It confuses the things on the other side of the link.
> There's a secondary driver that ends up binding to the adapters we exclude,
> and the things on the other side only expected to see the second driver.

By the way, are these interfaces real or virtual (SR-IOV virtual)?  PCI
bus numbers aren't the most stable way of referring to devices any more.
I don't suppose we can key this off PCIe DSN, can we?

-- 
Matthew Wilcox				Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."

  parent reply	other threads:[~2009-03-27 15:11 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-26 19:55 [PATCH] lpfc : add module parameter that allows adapter instances to avoid attachment James Smart
2009-03-26 20:19 ` James Bottomley
2009-03-26 20:37   ` James Smart
2009-03-26 20:41     ` Randy Dunlap
2009-03-26 20:54     ` James Bottomley
2009-03-27 12:46       ` James Smart
2009-03-27 15:09       ` Matthew Wilcox
2009-03-27 15:33         ` James Bottomley
2009-03-27 16:14           ` Matthew Wilcox
2009-03-27 16:41             ` James Bottomley
2009-03-27 15:11     ` Matthew Wilcox [this message]
2009-03-26 20:43 ` Matthew Wilcox

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