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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" On 01.11.2022 21:54, Tony Nguyen wrote: > On 10/31/2022 12:14 AM, Anatolii Gerasymenko wrote: >> ice_ptp_extts_work() and ice_ptp_periodic_work() are both scheduled on >> the same kthread_worker pf.ptp.kworker. But, ice_ptp_periodic_work() >> sends messages to ADQ and waits for responses. This causes > > Is this supposed to be AQ (not ADQ)? > Yes, I meant Admin Queue. Thanks for noticing this. >> ice_ptp_extts_work() to be blocked while waiting to be scheduled. This >> causes problems with the reading of the incoming signal timestamps, >> which disrupts a 100 Hz signal. >> >> Create an additional kthread_worker pf.ptp.kworker_extts to service only >> ice_ptp_extts_work() as soon as possible. >> >> Fixes: 77a781155a65 ("ice: enable receive hardware timestamping") >> Signed-off-by: Anatolii Gerasymenko _______________________________________________ Intel-wired-lan mailing list Intel-wired-lan@osuosl.org https://lists.osuosl.org/mailman/listinfo/intel-wired-lan