diff options
| author | Philip Yang <Philip.Yang@amd.com> | 2021-11-19 17:02:50 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-11-24 14:06:53 -0500 |
| commit | 2e4477282c8cff9fd2155710ed9168f38faa0b4f (patch) | |
| tree | 1094acdc238267f4c3ef846b319a24b0eaee3d68 /drivers/gpu/drm/amd/amdkfd/kfd_priv.h | |
| parent | 7ad153db5859e5e156307865d9df7f2a392c1686 (diff) | |
| download | linux-2e4477282c8cff9fd2155710ed9168f38faa0b4f.tar.gz | |
drm/amdkfd: simplify drain retry fault
unmap range always increase atomic svms->drain_pagefaults to simplify
both parent range and child range unmap, page fault handle ignores the
retry fault if svms->drain_pagefaults is set to speed up interrupt
handling. svm_range_drain_retry_fault restart draining if another
range unmap from cpu.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_priv.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index 836ec8860c1b..7ea528941951 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -767,7 +767,7 @@ struct svm_range_list { struct list_head deferred_range_list; spinlock_t deferred_list_lock; atomic_t evicted_ranges; - bool drain_pagefaults; + atomic_t drain_pagefaults; struct delayed_work restore_work; DECLARE_BITMAP(bitmap_supported, MAX_GPU_INSTANCE); struct task_struct *faulting_task; |