Re: [Xen-devel] [PATCH v5 2/2] qdisk - hw/block/xen_disk: grant copy implementation

2016-09-06 Thread Anthony PERARD
On Tue, Aug 16, 2016 at 08:55:56AM +0200, Paulina Szubarczyk wrote: > diff --git a/configure b/configure > index 8d84919..68b3374 100755 > --- a/configure > +++ b/configure > @@ -1956,6 +1956,43 @@ EOF > /* > * If we have stable libs the we don't want the libxc compat > * layers, regardless of

[Xen-devel] [PATCH v5 2/2] qdisk - hw/block/xen_disk: grant copy implementation

2016-08-15 Thread Paulina Szubarczyk
Copy data operated on during request from/to local buffers to/from the grant references. Before grant copy operation local buffers must be allocated what is done by calling ioreq_init_copy_buffers. For the 'read' operation, first, the qemu device invokes the read operation on local buffers and on