Re: [Nouveau] [PATCH v9 07/10] mm: Device exclusive memory access

2021-06-02 Thread Balbir Singh
On Wed, May 26, 2021 at 12:17:18AM -0700, John Hubbard wrote: > On 5/25/21 4:51 AM, Balbir Singh wrote: > ... > > > How beneficial is this code to nouveau users? I see that it permits a > > > part of OpenCL to be implemented, but how useful/important is this

Re: [Nouveau] [PATCH v9 07/10] mm: Device exclusive memory access

2021-05-25 Thread Balbir Singh
lusive access? Do we have any numbers for the worst case page fault latency when something is marked away for exclusive access? I presume for now this is anonymous memory only? SWP_DEVICE_EXCLUSIVE would only impact the address space of programs using the GPU. Should the exclusively marked range live in the unre