On 2023/12/29 10:52, Tian, Kevin wrote:
From: Liu, Yi L <yi.l.liu@xxxxxxxxx>
Sent: Thursday, December 28, 2023 11:06 PM
From: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
This allows qi_submit_sync() to return back faults to callers.
this might be useful to add a note that the retry logic itself is being discussed
in a separate thread [1]. Here we keep it intact and just make sure no retry for
the newly added user domain cache invalidation.
[1] https://lore.kernel.org/all/20231228001646.587653-6-haifeng.zhao@xxxxxxxxxxxxxxx/
- if (qi->desc_status[wait_index] == QI_ABORT)
+ if (qi->desc_status[wait_index] == QI_ABORT) {
+ /*
+ * If the caller is interested in the error, no need
+ * to retry, just return the time out error to the
+ * caller.
+ */
+ if (fsts)
+ return -ETIMEDOUT;
+ }
return -EAGAIN;
indent should be adjusted and it changes the original logic which returns
-EAGAIN only if QI_ABORT is set for the wait_index.
oops. this is a mistake. :) '}' should be after 'return -EAGAIN'
the simpler form is:
/* No need to retry if the caller is interested in the timeout error */
if (qi->desc_status[wait_index] == QI_ABORT)
return fsts ? -ETIMEDOUT : -EAGAIN;
otherwise,
Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
sure.
--
Regards,
Yi Liu
