Peter Daifuku 0d8f5f3fdb gpu: nvgpu: ModeE perfbuffer feature development ...

perfbuf mapping fixes:
- Allocate VM specifically for perfbuf use: using the PMU's
  results in mmu faults for larger buffers where 64k pages are used.
- Make 4GB boundary check work for large address spaces
- remove requirement to have allow_all flag set
- track perfbuf ownership and clean up appropriately

Bug 1880196
JIRA EVLR-1074

Change-Id: Ieee4eb17b64acf9b6ede37bf8e6a91892cda4a7e
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: http://git-master/r/1460809
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

2017-04-19 15:44:12 -07:00

..

gpu/nvgpu

gpu: nvgpu: ModeE perfbuffer feature development

2017-04-19 15:44:12 -07:00