netdev - Re: [PATCH net-next 2/5] be2net: use common method to check for sriov function type

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Date:	Thu, 07 Apr 2011 09:14:01 +0100
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Ajit Khaparde <ajit.khaparde@...lex.com>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next 2/5] be2net: use common method to check for
 sriov function type

On Wed, 2011-04-06 at 23:08 -0500, Ajit Khaparde wrote:
> Lancer and BE can both use SLI_INTF_REG to check a VF or a PF.
[...]

This seems pretty unreliable (both in the previous and the current
version).  You cannot rely on the whole of PCI config space being mapped
to a VM guest.  KVM certainly didn't do this when I used PCI pass-
through.

Ben.

-- 
Ben Hutchings, Senior Software Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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