Re: [PATCH net-next V2] tuntap: calculate rps hash only when needed

From	David Miller <davem@davemloft.net>
Newsgroups	linux.kernel
Subject	Re: [PATCH net-next V2] tuntap: calculate rps hash only when needed
Date	2016-04-28 22:40 +0200
Message-ID	<rt0T8-1Qs-3@gated-at.bofh.it> (permalink)
References	<rs1Hz-qy-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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From: Jason Wang <jasowang@redhat.com>
Date: Mon, 25 Apr 2016 23:13:42 -0400

> There's no need to calculate rps hash if it was not enabled. So this
> patch export rps_needed and check it before trying to get rps
> hash. Tests (using pktgen to inject packets to guest) shows this can
> improve pps about 13% (when rps is disabled).
> 
> Before:
> ~1150000 pps
> After:
> ~1300000 pps
> 
> Cc: Michael S. Tsirkin <mst@redhat.com>
> Signed-off-by: Jason Wang <jasowang@redhat.com>

Applied, thanks Jason.

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[PATCH net-next V2] tuntap: calculate rps hash only when needed Jason Wang <jasowang@redhat.com> - 2016-04-26 05:20 +0200
  Re: [PATCH net-next V2] tuntap: calculate rps hash only when needed David Miller <davem@davemloft.net> - 2016-04-28 22:40 +0200

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