diff options
| author | Tamir Gilad-Raz <tgiladraz@habana.ai> | 2022-11-06 12:22:16 +0300 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2023-01-26 11:56:21 +0300 |
| commit | 853413b234b002597df19f092892a1b1f52a2a47 (patch) | |
| tree | b036e90110c9c6f42bf98b42c27826015863c1e5 /drivers | |
| parent | 35d8944480ab892a725ed4edae08a675c600b1de (diff) | |
| download | linux-853413b234b002597df19f092892a1b1f52a2a47.tar.xz | |
habanalabs: adjacent timestamps should be more accurate
timestamp events that expire on the same interrupt will get the same
timestamp value
Signed-off-by: Tamir Gilad-Raz <tgiladraz@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/misc/habanalabs/common/irq.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/misc/habanalabs/common/irq.c b/drivers/misc/habanalabs/common/irq.c index 94d537fd4fde..8bbcc223df91 100644 --- a/drivers/misc/habanalabs/common/irq.c +++ b/drivers/misc/habanalabs/common/irq.c @@ -228,7 +228,7 @@ static void hl_ts_free_objects(struct work_struct *work) * list to a dedicated workqueue to do the actual put. */ static int handle_registration_node(struct hl_device *hdev, struct hl_user_pending_interrupt *pend, - struct list_head **free_list) + struct list_head **free_list, ktime_t now) { struct timestamp_reg_free_node *free_node; u64 timestamp; @@ -246,7 +246,7 @@ static int handle_registration_node(struct hl_device *hdev, struct hl_user_pendi if (!free_node) return -ENOMEM; - timestamp = ktime_get_ns(); + timestamp = ktime_to_ns(now); *pend->ts_reg_info.timestamp_kernel_addr = timestamp; @@ -298,7 +298,7 @@ static void handle_user_interrupt(struct hl_device *hdev, struct hl_user_interru if (pend->ts_reg_info.buf) { if (!reg_node_handle_fail) { rc = handle_registration_node(hdev, pend, - &ts_reg_free_list_head); + &ts_reg_free_list_head, now); if (rc) reg_node_handle_fail = true; } |