linux-kernel - Re: [PATCH 09/22] [SCSI] mpt2sas, mpt3sas: Added a support to set cpu affinity for each MSIX vector enabled by the HBA

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Date:	Wed, 10 Dec 2014 15:48:45 -0500
From:	"Martin K. Petersen" <martin.petersen@...cle.com>
To:	Sreekanth Reddy <sreekanth.reddy@...gotech.com>
Cc:	martin.petersen@...cle.com, jejb@...nel.org, hch@...radead.org,
	linux-scsi@...r.kernel.org, JBottomley@...allels.com,
	Sathya.Prakash@...gotech.com, Nagalakshmi.Nandigama@...gotech.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 09/22] [SCSI] mpt2sas, mpt3sas: Added a support to set cpu affinity for each MSIX vector enabled by the HBA

>>>>> "Sreekanth" == Sreekanth Reddy <sreekanth.reddy@...gotech.com> writes:

Sreekanth,

@@ -1373,20 +1380,30 @@ _base_assign_reply_queues(struct MPT2SAS_ADAPTER *ioc)
 
 	cpu = cpumask_first(cpu_online_mask);
 
-	do {
+	list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
+

Why are you reverting to iterating over the queues? A while back I fixed
this up so it wouldn't fail when nr_cpus > the number of reply queues.

-- 
Martin K. Petersen	Oracle Linux Engineering
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