Re: [PATCH 6/8] xen/gntdev: Implement dma-buf export functionality

2018-05-31 Thread Oleksandr Andrushchenko
On 05/31/2018 08:55 AM, Oleksandr Andrushchenko wrote: On 05/31/2018 02:10 AM, Dongwon Kim wrote: On Fri, May 25, 2018 at 06:33:29PM +0300, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko 1. Create a dma-buf from grant references provided by the foreign     domain. By default dma

Re: [PATCH 6/8] xen/gntdev: Implement dma-buf export functionality

2018-05-30 Thread Oleksandr Andrushchenko
On 05/31/2018 02:10 AM, Dongwon Kim wrote: On Fri, May 25, 2018 at 06:33:29PM +0300, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko 1. Create a dma-buf from grant references provided by the foreign domain. By default dma-buf is backed by system memory pages, but by provid

Re: [PATCH 6/8] xen/gntdev: Implement dma-buf export functionality

2018-05-30 Thread Dongwon Kim
On Fri, May 25, 2018 at 06:33:29PM +0300, Oleksandr Andrushchenko wrote: > From: Oleksandr Andrushchenko > > 1. Create a dma-buf from grant references provided by the foreign >domain. By default dma-buf is backed by system memory pages, but >by providing GNTDEV_DMA_FLAG_XXX flags it can a

[PATCH 6/8] xen/gntdev: Implement dma-buf export functionality

2018-05-25 Thread Oleksandr Andrushchenko
From: Oleksandr Andrushchenko 1. Create a dma-buf from grant references provided by the foreign domain. By default dma-buf is backed by system memory pages, but by providing GNTDEV_DMA_FLAG_XXX flags it can also be created as a DMA write-combine/coherent buffer, e.g. allocated with co