netdev - Re: [net-next 2/6] igb: Check if subordinate VFs are assigned to virtual machines

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Message-Id: <20111017.164923.1338037749342409936.davem@davemloft.net>
Date:	Mon, 17 Oct 2011 16:49:23 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	gregory.v.rose@...el.com, netdev@...r.kernel.org, gospo@...hat.com,
	sassmann@...hat.com, konrad.wilk@...cle.com, benve@...co.com,
	sathya.perla@...lex.com, dm@...lsio.com, jdmason@...zu.us,
	james.smart@...lex.com
Subject: Re: [net-next 2/6] igb: Check if subordinate VFs are assigned to
 virtual machines

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Mon, 17 Oct 2011 04:54:06 -0700

> On Mon, 2011-10-17 at 04:32 -0700, Kirsher, Jeffrey T wrote:
>> From: Greg Rose <gregory.v.rose@...el.com>
>> 
>> Kvm and the Xen pci-back driver will set a flag in the virtual
>> function
>> pci device dev_flags when the VF is assigned to a guest VM.  Before
>> destroying subordinate VFs check to see if the flag is set and if so
>> skip the call to pci_disable_sriov() to avoid system crashes.
>> 
>> Copy the maintainer for the Xen pci-back driver.  Also CC'ing
>> maintainers of all drivers found to call pci_disable_sriov().
>> 
>> Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
>> Cc: Christian Benvenuti <benve@...co.com>
>> Cc: Sathya Perla <sathya.perla@...lex.com>
>> Cc: Dimitris Michailidis <dm@...lsio.com>
>> Cc: Jon Mason <jdmason@...zu.us>
>> Cc: James Smart <james.smart@...lex.com>
>> 
>> Signed-off-by: Greg Rose <gregory.v.rose@...el.com>
>> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com> 
> 
> Dave- please do not pull this patch (or the series).  There is an issue
> with this patch.

Ok.
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