Re: [PATCHv2 1/2] mm: export use_mm/unuse_mm to modules

[Andrew Morton <akpm@linux-foundation.org>]

On Thu, 17 Sep 2009 08:38:18 +0300 "Michael S. Tsirkin" <mst@redhat.com> wrote:

> Hi Andrew,
> On Tue, Aug 11, 2009 at 03:10:10PM -0700, Andrew Morton wrote:
> > On Wed, 12 Aug 2009 00:27:52 +0300
> > "Michael S. Tsirkin" <mst@redhat.com> wrote:
> > 
> > > vhost net module wants to do copy to/from user from a kernel thread,
> > > which needs use_mm (like what fs/aio has).  Move that into mm/ and
> > > export to modules.
> > 
> > OK by me.  Please include this change in the virtio patchset.  Which I
> > shall cheerfully not be looking at :)
> 
> The virtio patches are somewhat delayed as we are ironing out the
> kernel/user interface with Rusty. Can the patch moving use_mm to mm/ be
> applied without exporting to modules for now? This will make it easier
> for virtio which will only have to patch in the EXPORT line.

That was 10,000 patches ago.

> I also have a small patch optimizing atomic usage in use_mm (which I did for
> virtio) and it's easier to apply it if the code is in the new place.
> 
> If ok, pls let me know and I'll post the patch without the EXPORT line.

Please just send them all out.

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