Re: [Xen-devel] [PATCH] drm/xen-front: Remove CMA support

2018-04-18 Thread Oleksandr Andrushchenko
On 04/17/2018 12:08 PM, Oleksandr Andrushchenko wrote: On 04/17/2018 12:04 PM, Daniel Vetter wrote: On Tue, Apr 17, 2018 at 10:40:12AM +0300, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko Even if xen-front allocates its buffers from contiguous

Re: [Xen-devel] [PATCH] drm/xen-front: Remove CMA support

2018-04-17 Thread Oleksandr Andrushchenko
On 04/17/2018 12:04 PM, Daniel Vetter wrote: On Tue, Apr 17, 2018 at 10:40:12AM +0300, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko Even if xen-front allocates its buffers from contiguous memory those are still not contiguous in PA space, e.g.

Re: [Xen-devel] [PATCH] drm/xen-front: Remove CMA support

2018-04-17 Thread Daniel Vetter
On Tue, Apr 17, 2018 at 10:40:12AM +0300, Oleksandr Andrushchenko wrote: > From: Oleksandr Andrushchenko > > Even if xen-front allocates its buffers from contiguous memory > those are still not contiguous in PA space, e.g. the buffer is only > contiguous in IPA

[Xen-devel] [PATCH] drm/xen-front: Remove CMA support

2018-04-17 Thread Oleksandr Andrushchenko
From: Oleksandr Andrushchenko Even if xen-front allocates its buffers from contiguous memory those are still not contiguous in PA space, e.g. the buffer is only contiguous in IPA space. The only use-case for this mode was if xen-front is used to allocate dumb