amdkfd: mark the first kfd_process as the primary one

The first kfd_process is created through open(),
this commit marks it as the primary kfd_process
by assigning a primary id for its context_id.

Only the primary process should register the mmu_notifier.

Signed-off-by: Zhu Lingshan <lingshan.zhu@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Zhu Lingshan 2025-04-21 15:47:54 +08:00 • committed by Alex Deucher
commit 3272cd887f
2 changed files with 17 additions and 8 deletions