Re: [Intel-gfx] [PATCH 00/13] mmu_notifier kill invalidate_page callback

2017-09-27 Thread Felix Kuehling
On 2017-08-31 09:59 AM, Jerome Glisse wrote: > [Adding Intel folks as they might be interested in this discussion] > > On Wed, Aug 30, 2017 at 05:51:52PM -0400, Felix Kuehling wrote: >> Hi Jérôme, >> >> I have some questions about the potential range-start-end race you >> mentioned. >> >> On 2017-0

Re: [Intel-gfx] [PATCH 00/13] mmu_notifier kill invalidate_page callback

2017-09-27 Thread Felix Kuehling
On 2017-08-31 03:00 PM, Jerome Glisse wrote: > I was not saying you should not use mmu_notifier. For achieving B you need > mmu_notifier. Note that if you do like ODP/KVM then you do not need to > pin page. I would like that. I've thought about it before. The one problem I couldn't figure out is, w

Re: [Intel-gfx] [PATCH 00/13] mmu_notifier kill invalidate_page callback

2017-08-31 Thread Jerome Glisse
[Adding Intel folks as they might be interested in this discussion] On Wed, Aug 30, 2017 at 05:51:52PM -0400, Felix Kuehling wrote: > Hi Jérôme, > > I have some questions about the potential range-start-end race you > mentioned. > > On 2017-08-29 07:54 PM, Jérôme Glisse wrote: > > Note that a lo

Re: [Intel-gfx] [PATCH 00/13] mmu_notifier kill invalidate_page callback

2017-08-31 Thread Christian König
Am 31.08.2017 um 15:59 schrieb Jerome Glisse: [Adding Intel folks as they might be interested in this discussion] On Wed, Aug 30, 2017 at 05:51:52PM -0400, Felix Kuehling wrote: Hi Jérôme, I have some questions about the potential range-start-end race you mentioned. On 2017-08-29 07:54 PM, Jé

Re: [Intel-gfx] [PATCH 00/13] mmu_notifier kill invalidate_page callback

2017-08-31 Thread Jerome Glisse
On Thu, Aug 31, 2017 at 02:39:17PM -0400, Felix Kuehling wrote: > On 2017-08-31 09:59 AM, Jerome Glisse wrote: > > [Adding Intel folks as they might be interested in this discussion] > > > > On Wed, Aug 30, 2017 at 05:51:52PM -0400, Felix Kuehling wrote: > >> Hi Jérôme, > >> > >> I have some questi

Re: [Intel-gfx] [PATCH 00/13] mmu_notifier kill invalidate_page callback

2017-08-31 Thread Jerome Glisse
On Thu, Aug 31, 2017 at 07:19:19PM -0400, Felix Kuehling wrote: > On 2017-08-31 03:00 PM, Jerome Glisse wrote: > > I was not saying you should not use mmu_notifier. For achieving B you need > > mmu_notifier. Note that if you do like ODP/KVM then you do not need to > > pin page. > I would like that.