diff options
| author | Tomer Tayar <ttayar@habana.ai> | 2020-08-02 22:51:31 +0300 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2020-11-30 10:47:38 +0200 |
| commit | f07486745442f6118ede18e2b52ee7be69cde5a4 (patch) | |
| tree | 0ae8178439b52b7afa1cd8d29045412687af2d50 /drivers/misc/habanalabs/goya/goya.c | |
| parent | 3e438b42a5fbf19e44c6c3e0481ed4b5672d8f42 (diff) | |
habanalabs: Modify the cs_cnt of a CB to be atomic
Modify the CS counter of a CB to be atomic, so no locking is required
when it is being modified or read.
Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc/habanalabs/goya/goya.c')
| -rw-r--r-- | drivers/misc/habanalabs/goya/goya.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index 5e151610c1c8..3e5eb9e3d7bd 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -4811,7 +4811,7 @@ static int goya_memset_device_memory(struct hl_device *hdev, u64 addr, u64 size, job->id = 0; job->user_cb = cb; - job->user_cb->cs_cnt++; + atomic_inc(&job->user_cb->cs_cnt); job->user_cb_size = cb_size; job->hw_queue_id = GOYA_QUEUE_ID_DMA_0; job->patched_cb = job->user_cb; @@ -4823,7 +4823,7 @@ static int goya_memset_device_memory(struct hl_device *hdev, u64 addr, u64 size, hl_debugfs_remove_job(hdev, job); kfree(job); - cb->cs_cnt--; + atomic_dec(&cb->cs_cnt); release_cb: hl_cb_put(cb); |