linux-kernel - Re: [PATCH V6 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive

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Date:	Tue, 22 Jan 2013 11:42:40 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Wanlong Gao <gaowanlong@...fujitsu.com>,
	linux-kernel@...r.kernel.org
Cc:	"Michael S. Tsirkin" <mst@...hat.com>,
	Jason Wang <jasowang@...hat.com>,
	Eric Dumazet <erdnetdev@...il.com>,
	virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
	Wanlong Gao <gaowanlong@...fujitsu.com>
Subject: Re: [PATCH V6 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive

Wanlong Gao <gaowanlong@...fujitsu.com> writes:

> As Michael mentioned, set affinity and select queue will not work very
> well when CPU IDs are not consecutive, this can happen with hot unplug.
> Fix this bug by traversal the online CPUs, and create a per cpu variable
> to find the mapping from CPU to the preferable virtual-queue.

This series looks fairly sane at a glance, to me, but MST is the Ack you
need.

Thanks,
Rusty.
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