[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] Question about mapping between domains

On Wed, 2015-07-15 at 12:51 +0100, Stefano Stabellini wrote:
> On Wed, 15 Jul 2015, Oleksandr Dmytryshyn wrote:
> > Hi, Ian. Thank You for the response.
> > 
> > > Look at how the balloon driver does it, the hypercalls you want are
> > > XENMEM_(increase|decrease)_reservation.
> > I'll try to use those hypercalls.
> In the modern Linux kernels, you just need to call gnttab_alloc_pages
> (see drivers/xen/grant-table.c:gnttab_alloc_pages).

The problem here is to grant map pages to fill and existing buffer which
is already allocated/supplied elswhere (in the GPU stack I suppose).

Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.