Re: [PATCH 2/2] drm/tegra: Acquire a reference to the IOVA cache

2018-05-18 Thread Dmitry Osipenko
On 23.04.2018 09:57, Thierry Reding wrote: > From: Thierry Reding > > The IOVA API uses a memory cache to allocate IOVA nodes from. To make > sure that this cache is available, obtain a reference to it and release > the reference when the cache is no longer needed. > > On 64-bit ARM this is hidd

Re: [PATCH 2/2] drm/tegra: Acquire a reference to the IOVA cache

2018-05-17 Thread Thierry Reding
On Thu, May 17, 2018 at 01:53:23PM +0300, Dmitry Osipenko wrote: > On 23.04.2018 09:57, Thierry Reding wrote: > > From: Thierry Reding > > > > The IOVA API uses a memory cache to allocate IOVA nodes from. To make > > sure that this cache is available, obtain a reference to it and release > > the

Re: [PATCH 2/2] drm/tegra: Acquire a reference to the IOVA cache

2018-05-14 Thread Thierry Reding
On Mon, Apr 23, 2018 at 11:43:16AM +0300, Dmitry Osipenko wrote: > On 23.04.2018 11:41, Dmitry Osipenko wrote: > > On 23.04.2018 11:34, Dmitry Osipenko wrote: > >> On 23.04.2018 09:57, Thierry Reding wrote: > >>> From: Thierry Reding > >>> > >>> The IOVA API uses a memory cache to allocate IOVA no

Re: [PATCH 2/2] drm/tegra: Acquire a reference to the IOVA cache

2018-04-24 Thread Dmitry Osipenko
On 23.04.2018 09:57, Thierry Reding wrote: > From: Thierry Reding > > The IOVA API uses a memory cache to allocate IOVA nodes from. To make > sure that this cache is available, obtain a reference to it and release > the reference when the cache is no longer needed. > > On 64-bit ARM this is hidd

Re: [PATCH 2/2] drm/tegra: Acquire a reference to the IOVA cache

2018-04-24 Thread Dmitry Osipenko
On 23.04.2018 11:41, Dmitry Osipenko wrote: > On 23.04.2018 11:34, Dmitry Osipenko wrote: >> On 23.04.2018 09:57, Thierry Reding wrote: >>> From: Thierry Reding >>> >>> The IOVA API uses a memory cache to allocate IOVA nodes from. To make >>> sure that this cache is available, obtain a reference t

Re: [PATCH 2/2] drm/tegra: Acquire a reference to the IOVA cache

2018-04-24 Thread Dmitry Osipenko
On 23.04.2018 11:34, Dmitry Osipenko wrote: > On 23.04.2018 09:57, Thierry Reding wrote: >> From: Thierry Reding >> >> The IOVA API uses a memory cache to allocate IOVA nodes from. To make >> sure that this cache is available, obtain a reference to it and release >> the reference when the cache is

[PATCH 2/2] drm/tegra: Acquire a reference to the IOVA cache

2018-04-22 Thread Thierry Reding
From: Thierry Reding The IOVA API uses a memory cache to allocate IOVA nodes from. To make sure that this cache is available, obtain a reference to it and release the reference when the cache is no longer needed. On 64-bit ARM this is hidden by the fact that the DMA mapping API gets that referen