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amdkfd: find_process_by_mm always return the primary context

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Up until this commit, the kfd multiple contexts feature has
not been fully implemented in mainline kernel yet.

For backawrd compatibility, not break existing use cases,
this commit changes function find_process_by_mm, let it
always return the primary kfd_process.

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 2024-10-29 16:46:34 +08:00 committed by Alex Deucher
parent 42cbb68ce8
commit 3880d8e3c6
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdkfd/kfd_process.c
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@ -935,7 +935,7 @@ static struct kfd_process *find_process_by_mm(const struct mm_struct *mm)
hash_for_each_possible_rcu(kfd_processes_table, process,
kfd_processes, (uintptr_t)mm)
if (process->mm == mm)
if (process->mm == mm && process->context_id == KFD_CONTEXT_ID_PRIMARY)
return process;
return NULL;