netdev - RE: [net-2.6 PATCH 2/3] ixgbe: In SR-IOV mode insert delay before bring the adapter up

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Message-ID: <43F901BD926A4E43B106BF17856F0755A3718698@orsmsx508.amr.corp.intel.com>
Date:	Fri, 26 Mar 2010 12:45:40 -0700
From:	"Rose, Gregory V" <gregory.v.rose@...el.com>
To:	David Miller <davem@...emloft.net>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>
CC:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"gospo@...hat.com" <gospo@...hat.com>
Subject: RE: [net-2.6 PATCH 2/3] ixgbe: In SR-IOV mode insert delay before
 bring the adapter up

>-----Original Message-----
>From: David Miller [mailto:davem@...emloft.net]
>Sent: Friday, March 26, 2010 11:58 AM
>To: Kirsher, Jeffrey T
>Cc: netdev@...r.kernel.org; gospo@...hat.com; Rose, Gregory V
>Subject: Re: [net-2.6 PATCH 2/3] ixgbe: In SR-IOV mode insert delay
>before bring the adapter up
>
>
>
> My point is that this behavior is basically extremely undesirable.

No argument from me there.  We've been discussing design changes to maintain a little more state in the driver so that we wouldn't have to reset the entire device every time someone makes a minor configuration change.  However, I have no target date for that.  I agree that at some point in systems with a large number of interfaces this behavior becomes untenable.

- Greg

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