netdev - Re: [PATCH v2 net-next] virtio: Fix affinity for #VCPUs != #queue pairs

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Message-Id: <20170208.133744.558863839333233338.davem@davemloft.net>
Date:   Wed, 08 Feb 2017 13:37:44 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     serebrin@...gle.com
Cc:     borntraeger@...ibm.com, netdev@...r.kernel.org, mst@...hat.com,
        jasowang@...hat.com, willemb@...gle.com, venkateshs@...gle.com,
        jonolson@...gle.com, willemdebruijn.kernel@...il.com,
        rick.jones2@....com, jmattson@...gle.com,
        linux-s390@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH v2 net-next] virtio: Fix affinity for #VCPUs != #queue
 pairs

From: Ben Serebrin <serebrin@...gle.com>
Date: Tue,  7 Feb 2017 10:15:06 -0800

> If the number of virtio queue pairs is not equal to the
> number of VCPUs, the virtio guest driver doesn't assign
> any CPU affinity for the queue interrupts or the xps
> aggregation interrupt.  (In contrast, the driver does assign
> both if the counts of VCPUs and queues are equal, which is a good
> default behavior.)
 ...

Can I get some reviews, please?