On Thu, Aug 17, 2017 at 12:06 PM, Vinod Koul <vinod.koul@xxxxxxxxx> wrote: > On Tue, Aug 01, 2017 at 04:07:53PM +0530, Anup Patel wrote: >> The pending sba_request list can become very long in real-life usage >> (e.g. setting up RAID array) which can cause sba_issue_pending() to >> run for long duration. > > that raises the warning flags.. Even if we have a long pending list why > would issue_pending run for long. The purpose of the issue_pending() is to > submit a txn if idle and return. The interrupt and tasklet shall push the > subsequent txn to hardware... Yes, we are doing very similar thing in PATCH13 by further simplifying sba_process_deferred_requests() Regards, Anup -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
