Re: [PATCH 3/4] KVM: PPC: Add support for IOMMU in-kernel handling
From: Benjamin Herrenschmidt
Date: Thu Jun 20 2013 - 03:48:21 EST
On Thu, 2013-06-20 at 15:28 +1000, David Gibson wrote:
> > Just out of curiosity - would not get_file() and fput_atomic() on a
> > file* do the right job instead of vfio_group_add_external_user() and
> > vfio_group_del_external_user()?
> I was thinking that too. Grabbing a file reference would certainly be
> the usual way of handling this sort of thing.
But that wouldn't prevent the group ownership to be returned to
the kernel or another user would it ?
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