RE: [PATCH net-next] hyperv: Add support for Virtual Receive SideScaling (vRSS)

[Haiyang Zhang]

> -----Original Message-----
> From: Tom Herbert [mailto:therbert@xxxxxxxxxx]
> Sent: Thursday, December 19, 2013 4:43 PM
> To: Haiyang Zhang
> Cc: Daniel Borkmann; Ben Hutchings; davem@xxxxxxxxxxxxx;
> netdev@xxxxxxxxxxxxxxx; KY Srinivasan; olaf@xxxxxxxxx;
> jasowang@xxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; driverdev-
> devel@xxxxxxxxxxxxxxxxxxxxxx
> Subject: Re: [PATCH net-next] hyperv: Add support for Virtual Receive Side
> Scaling (vRSS)
> 
> Patch is below. This version did most pre-computation of the variants I built,
> but results in largest table (40*256*4 bytes), This gives performance roughly
> comparable with jhash (roughly same as jhash for IPv4, about 30% more
> cycles for IPv6). I have the simpler less memory intensive versions also if
> you're interested, these are 10x worse cycles so I wouldn't want those in
> critical path.
> ----

Thank you for the code. We like the fast implementation even it uses a bit more
memory. Are you going to address the comments and re-submit the code soon?

Thanks,
- Haiyang
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